array_intersect_ukey tests by Sanjay Mantoor

ext/standard/tests/array_intersect_ukey_error.phpt

@@ -0,0 +1,56 @@
+--TEST--
+Test array_intersect_ukey() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : error conditions ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+//Test array_intersect_ukey with one more than the expected number of arguments
+echo "\n-- Testing array_intersect_ukey() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( array_intersect_ukey($array1, $array2, 'key_compare_func',$extra_arg) );
+
+// Testing array_intersect_ukey with one less than the expected number of arguments
+echo "\n-- Testing array_intersect_ukey() function with less than expected no. of arguments --\n";
+var_dump( array_intersect_ukey($array1, $array2) );
+
+// Testing array_intersect_ukey with no arguments
+echo "\n-- Testing array_intersect_ukey() function with no arguments --\n";
+var_dump( array_intersect_ukey() );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : error conditions ***
+
+-- Testing array_intersect_ukey() function with more than expected no. of arguments --
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+-- Testing array_intersect_ukey() function with less than expected no. of arguments --
+
+Warning: array_intersect_ukey(): at least 3 parameters are required, 2 given in %s on line %d
+NULL
+
+-- Testing array_intersect_ukey() function with no arguments --
+
+Warning: array_intersect_ukey(): at least 3 parameters are required, 0 given in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation1.phpt

@@ -0,0 +1,320 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing unexpected values to first argument
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+$array3 = array('green' => 5, 'cyan'   => 8);
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//resource variable
+$fp = fopen(__FILE__, "r");
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float 12.3456789000e10' => 12.3456789000e10,
+      'float -12.3456789000e10' => -12.3456789000e10,
+      'float .5' => .5,
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // string data
+      'string DQ' => "string",
+      'string SQ' => 'string',
+      'mixed case string' => "sTrInG",
+      'heredoc' => $heredoc,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+
+      // resource data
+      'resource var' => $fp,
+);
+
+// loop through each element of the array for arr1
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( array_intersect_ukey($value, $array2, 'key_compare_func') );
+      var_dump( array_intersect_ukey($value, $array2, $array3, 'key_compare_func') );
+};
+
+fclose($fp);
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+--int 0--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--int 1--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--int 12345--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--int -12345--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--float 10.5--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--float -10.5--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--float 12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--float -12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--float .5--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--uppercase NULL--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--lowercase null--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--lowercase true--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--lowercase false--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--uppercase TRUE--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--uppercase FALSE--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--empty string DQ--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--empty string SQ--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--string DQ--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--string SQ--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--mixed case string--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--heredoc--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--instance of classWithToString--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--instance of classWithoutToString--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--undefined var--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--unset var--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+--resource var--
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #1 is not an array in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation2.phpt

@@ -0,0 +1,320 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing unexpected values to second argument
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array3 = array('green' => 5, 'cyan'   => 8);
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//resource variable
+$fp = fopen(__FILE__, "r");
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float 12.3456789000e10' => 12.3456789000e10,
+      'float -12.3456789000e10' => -12.3456789000e10,
+      'float .5' => .5,
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // string data
+      'string DQ' => "string",
+      'string SQ' => 'string',
+      'mixed case string' => "sTrInG",
+      'heredoc' => $heredoc,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+
+      // resource data
+      'resource var' => $fp,
+);
+
+// loop through each element of the array for arr2
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( array_intersect_ukey($array1, $value, 'key_compare_func') );
+      var_dump( array_intersect_ukey($array1, $value, $array3, 'key_compare_func') );
+};
+
+fclose($fp);
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+--int 0--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--int 1--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--int 12345--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--int -12345--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--float 10.5--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--float -10.5--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--float 12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--float -12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--float .5--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--uppercase NULL--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--lowercase null--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--lowercase true--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--lowercase false--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--uppercase TRUE--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--uppercase FALSE--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--empty string DQ--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--empty string SQ--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--string DQ--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--string SQ--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--mixed case string--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--heredoc--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--instance of classWithToString--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--instance of classWithoutToString--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--undefined var--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--unset var--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+--resource var--
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #2 is not an array in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation3.phpt

@@ -0,0 +1,290 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing unexpected values to callback argument
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+$array3 = array('green' => 5, 'cyan'   => 8);
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//resource variable
+$fp = fopen(__FILE__, "r");
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// add arrays
+$index_array = array (1, 2, 3);
+$assoc_array = array ('one' => 1, 'two' => 2);
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float 12.3456789000e10' => 12.3456789000e10,
+      'float -12.3456789000e10' => -12.3456789000e10,
+      'float .5' => .5,
+
+      // array data
+      'empty array' => array(),
+      'int indexed array' => $index_array,
+      'associative array' => $assoc_array,
+      'nested arrays' => array('foo', $index_array, $assoc_array),
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+
+      // resource data
+      'resource var' => $fp,
+);
+
+// loop through each element of the array for key_compare_func
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( array_intersect_ukey($array1, $array2, $value) );
+      var_dump( array_intersect_ukey($array1, $array2, $array3, $value) );
+};
+
+fclose($fp);
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+--int 0--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--int 1--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--int 12345--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--int -12345--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--float 10.5--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--float -10.5--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--float 12.3456789000e10--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--float -12.3456789000e10--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--float .5--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--empty array--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+--int indexed array--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+--associative array--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, first array member is not a valid class name or object in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, first array member is not a valid class name or object in %s on line %d
+NULL
+
+--nested arrays--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, array must have exactly two members in %s on line %d
+NULL
+
+--uppercase NULL--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--lowercase null--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--lowercase true--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--lowercase false--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--uppercase TRUE--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--uppercase FALSE--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--instance of classWithToString--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--instance of classWithoutToString--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--undefined var--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--unset var--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+--resource var--
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation4.phpt

@@ -0,0 +1,321 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing unexpected values to optional third argument
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+$array4 = array('green' => 5, 'cyan'   => 8);
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+//get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+//resource variable
+$fp = fopen(__FILE__, "r");
+
+// define some classes
+class classWithToString
+{
+	public function __toString() {
+		return "Class A object";
+	}
+}
+
+class classWithoutToString
+{
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+//array of values to iterate over
+$inputs = array(
+
+      // int data
+      'int 0' => 0,
+      'int 1' => 1,
+      'int 12345' => 12345,
+      'int -12345' => -12345,
+
+      // float data
+      'float 10.5' => 10.5,
+      'float -10.5' => -10.5,
+      'float 12.3456789000e10' => 12.3456789000e10,
+      'float -12.3456789000e10' => -12.3456789000e10,
+      'float .5' => .5,
+
+      // null data
+      'uppercase NULL' => NULL,
+      'lowercase null' => null,
+
+      // boolean data
+      'lowercase true' => true,
+      'lowercase false' =>false,
+      'uppercase TRUE' =>TRUE,
+      'uppercase FALSE' =>FALSE,
+
+      // empty data
+      'empty string DQ' => "",
+      'empty string SQ' => '',
+
+      // string data
+      'string DQ' => "string",
+      'string SQ' => 'string',
+      'mixed case string' => "sTrInG",
+      'heredoc' => $heredoc,
+
+      // object data
+      'instance of classWithToString' => new classWithToString(),
+      'instance of classWithoutToString' => new classWithoutToString(),
+
+      // undefined data
+      'undefined var' => @$undefined_var,
+
+      // unset data
+      'unset var' => @$unset_var,
+
+      // resource data
+      'resource var' => $fp,
+);
+
+// loop through each element of the array for arr2
+
+foreach($inputs as $key =>$value) {
+      echo "\n--$key--\n";
+      var_dump( array_intersect_ukey($array1, $array2, $value, 'key_compare_func') );
+      var_dump( array_intersect_ukey($array1, $array2, $value, $array4, 'key_compare_func') );
+};
+
+fclose($fp);
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+--int 0--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--int 1--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--int 12345--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--int -12345--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--float 10.5--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--float -10.5--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--float 12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--float -12.3456789000e10--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--float .5--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--uppercase NULL--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--lowercase null--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--lowercase true--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--lowercase false--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--uppercase TRUE--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--uppercase FALSE--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--empty string DQ--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--empty string SQ--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--string DQ--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--string SQ--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--mixed case string--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--heredoc--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--instance of classWithToString--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--instance of classWithoutToString--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--undefined var--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--unset var--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+--resource var--
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+
+Warning: array_intersect_ukey(): Argument #3 is not an array in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation5.phpt

@@ -0,0 +1,63 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Intersection of integers with floats and strings.
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialize variables
+$arr_default_int = array(1, 2 );
+$arr_float = array(0 => 1.00, 1.00 => 2.00, 2.00 => 3.00);
+$arr_string = array('0' => '1', '1' => '2', '2' => '3');
+$arr_string_float = array('0.00' => '1.00', '1.00' => '2.00');
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+echo "\n-- Result of integers and floating point intersection --\n";
+var_dump( array_intersect_ukey($arr_default_int, $arr_float, "key_compare_func") );
+
+echo "\n-- Result of integers and strings containing integers intersection --\n";
+var_dump( array_intersect_ukey($arr_default_int, $arr_string, "key_compare_func") );
+
+echo "\n-- Result of integers and strings containing floating points intersection --\n";
+var_dump( array_intersect_ukey($arr_default_int, $arr_string_float, "key_compare_func") );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+-- Result of integers and floating point intersection --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+-- Result of integers and strings containing integers intersection --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+
+-- Result of integers and strings containing floating points intersection --
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+===DONE===

ext/standard/tests/array_intersect_ukey_variation6.phpt

@@ -0,0 +1,51 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Intersection of floating points with strings.
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialize variables
+$arr_float = array(0.00 => 1.00, 1.00 => 2.00);
+$arr_string = array('0' => '1', '1' => '2', '2' => '3');
+$arr_string_float = array('0.00' => '1.00', '1.00' => '2.00');
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+echo "\n-- Result of floating points and strings containing integers intersection --\n";
+var_dump( array_intersect_ukey($arr_float, $arr_string, 'key_compare_func') );
+
+echo "\n-- Result of floating points and strings containing floating point intersection --\n";
+var_dump( array_intersect_ukey($arr_float, $arr_string_float, 'key_compare_func') );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+-- Result of floating points and strings containing integers intersection --
+array(2) {
+  [0]=>
+  float(1)
+  [1]=>
+  float(2)
+}
+
+-- Result of floating points and strings containing floating point intersection --
+array(2) {
+  [0]=>
+  float(1)
+  [1]=>
+  float(2)
+}
+===DONE===

ext/standard/tests/array_intersect_ukey_variation7.phpt

@@ -0,0 +1,63 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Intersection of strings containing integer and float
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialize variables
+$arr1_string_int = array('0' => '1', '1' => '2');
+$arr2_string_int = array('0' => '1', '1' => '3');
+$arr1_string_float = array('0.00' => '1.00', '1.00' => '2.00');
+$arr2_string_float = array('0.00' => '1.00', '1.00' => '3.00');
+
+//Call back function
+function key_compare_func($key1, $key2)
+{
+    if ($key1 == $key2)
+        return 0;
+    else
+        return ($key1 > $key2)? 1:-1; 
+}
+
+echo "\n-- Result of strings containing integers intersection --\n";
+var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_int, 'key_compare_func') );
+
+echo "\n-- Result of strings containing floating points intersection --\n";
+var_dump( array_intersect_ukey($arr1_string_float, $arr2_string_float, 'key_compare_func') );
+
+echo "\n-- Result of strings containing integers and strings containing floating points intersection --\n";
+var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_float, 'key_compare_func') );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+-- Result of strings containing integers intersection --
+array(2) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+}
+
+-- Result of strings containing floating points intersection --
+array(2) {
+  ["0.00"]=>
+  string(4) "1.00"
+  ["1.00"]=>
+  string(4) "2.00"
+}
+
+-- Result of strings containing integers and strings containing floating points intersection --
+array(2) {
+  [0]=>
+  string(1) "1"
+  [1]=>
+  string(1) "2"
+}
+===DONE===

ext/standard/tests/array_intersect_ukey_variation8.phpt

@@ -0,0 +1,39 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing non-existing function name to callback
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+
+//function name within double quotes
+var_dump( array_intersect_ukey($array1, $array2, "unknown_function") );
+
+//function name within single quotes
+var_dump( array_intersect_ukey($array1, $array2, 'unknown_function') );
+
+//function name without quotes
+var_dump( array_intersect_ukey($array1, $array2, unknown_function) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
+NULL
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
+NULL
+
+Notice: Use of undefined constant unknown_function - assumed 'unknown_function' in %s on line %d
+
+Warning: array_intersect_ukey() expects parameter 3 to be a valid callback, function 'unknown_function' not found or invalid function name in %s on line %d
+NULL
+===DONE===

ext/standard/tests/array_intersect_ukey_variation9.phpt

@@ -0,0 +1,61 @@
+--TEST--
+Test array_intersect_ukey() function : usage variation - Passing class/object methods to callback
+--FILE--
+<?php
+/* Prototype  : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func)
+ * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 
+ * Source code: ext/standard/array.c
+ */
+
+echo "*** Testing array_intersect_ukey() : usage variation ***\n";
+
+//Initialise arguments
+$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3, 'purple' => 4);
+$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan'   => 8);
+
+class MyClass
+{
+	static function static_compare_func($key1, $key2) {
+		return strcasecmp($key1, $key2);
+	}
+    
+	public function class_compare_func($key1, $key2) {
+		return strcasecmp($key1, $key2);
+	}
+	
+}
+
+echo "\n-- Testing array_intersect_ukey() function using class with static method as callback --\n";
+var_dump( array_intersect_ukey($array1, $array2, array('MyClass','static_compare_func')) );
+var_dump( array_intersect_ukey($array1, $array2, 'MyClass::static_compare_func') );
+
+echo "\n-- Testing array_intersect_uassoc() function using class with regular method as callback --\n";
+$obj = new MyClass();
+var_dump( array_intersect_ukey($array1, $array2, array($obj,'class_compare_func')) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing array_intersect_ukey() : usage variation ***
+
+-- Testing array_intersect_ukey() function using class with static method as callback --
+array(2) {
+  ["blue"]=>
+  int(1)
+  ["green"]=>
+  int(3)
+}
+array(2) {
+  ["blue"]=>
+  int(1)
+  ["green"]=>
+  int(3)
+}
+
+-- Testing array_intersect_uassoc() function using class with regular method as callback --
+array(2) {
+  ["blue"]=>
+  int(1)
+  ["green"]=>
+  int(3)
+}
+===DONE===