archived-php-src/ext/standard/tests/strings/lcfirst.phpt

--TEST--
lcfirst() function
--INI--
precision=14
--FILE--
<?php
/* Make a string's first character uppercase */

echo "#### Basic and Various operations ####\n";
$str_array = array(
            "TesTing lcfirst.",
            "1.testing lcfirst",
            "HELLO wORLD",
            'HELLO wORLD',
                    "\0",		// Null
                    "\x00",		// Hex Null
                    "\x000",
                    "abcd",		// double quoted string
                    'xyz',		// single quoted string
                    "-3",
                    -3,
                    '-3.344',
                    -3.344,
                    "NULL",
                    "0",
                    0,
                    TRUE,		// bool type
                    "TRUE",
                    "1",
                    1,
                    1.234444,
                    FALSE,
                    "FALSE",
                    " ",
                    "     ",
                    'b',		// single char
                    '\t',		// escape sequences
                    "\t",
                    "12",
                    "12twelve",		// int + string
              );
/* loop to test working of lcfirst with different values */
foreach ($str_array as $string) {
  var_dump( lcfirst($string) );
}



echo "\n#### Testing miscellaneous inputs ####\n";

echo "\n--- Testing lowercamelcase action call example ---\n";
class Setter {

    protected $vars = array('partnerName' => false);

    public function __call($m, $v) {
        if (stristr($m, 'set')) {
            $action = lcfirst(substr($m, 3));
            $this->$action = $v[0];
        }
    }

    public function __set($key, $value) {
        if (array_key_exists($key, $this->vars)) {
            $this->vars[$key] = $value;
        }
    }

    public function __get($key) {
        if (array_key_exists($key, $this->vars)) {
            return $this->vars[$key];
        }
    }
}

$class = new Setter();
$class->setPartnerName('partnerName');
var_dump($class->partnerName);

echo "\n--- Testing objects ---\n";
/* we get "Recoverable fatal error: saying Object of class could not be converted
        to string" by default when an object is passed instead of string:
The error can be  avoided by choosing the __toString magix method as follows: */

class stringObject {
  function __toString() {
    return "Hello world";
  }
}
$obj_string = new stringObject;

var_dump(lcfirst("$obj_string"));


echo "\n--- Testing a longer and heredoc string ---\n";
$string = <<<EOD
Abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
EOD;
var_dump(lcfirst($string));

echo "\n--- Testing a heredoc null string ---\n";
$str = <<<EOD
EOD;
var_dump(lcfirst($str));


echo "\n--- Testing simple and complex syntax strings ---\n";
$str = 'world';

/* Simple syntax */
var_dump(lcfirst("$str"));
var_dump(lcfirst("$str'S"));
var_dump(lcfirst("$strS"));

/* String with curly braces, complex syntax */
var_dump(lcfirst("${str}S"));
var_dump(lcfirst("{$str}S"));

echo "\n--- Nested lcfirst() ---\n";
var_dump(lcfirst(lcfirst("hello")));

echo "Done\n";
?>
--EXPECTF--
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in %s on line %d
#### Basic and Various operations ####
string(16) "tesTing lcfirst."
string(17) "1.testing lcfirst"
string(11) "hELLO wORLD"
string(11) "hELLO wORLD"
string(1) "%0"
string(1) "%0"
string(2) "%00"
string(4) "abcd"
string(3) "xyz"
string(2) "-3"
string(2) "-3"
string(6) "-3.344"
string(6) "-3.344"
string(4) "nULL"
string(1) "0"
string(1) "0"
string(1) "1"
string(4) "tRUE"
string(1) "1"
string(1) "1"
string(8) "1.234444"
string(0) ""
string(5) "fALSE"
string(1) " "
string(5) "     "
string(1) "b"
string(2) "\t"
string(1) "	"
string(2) "12"
string(8) "12twelve"

#### Testing miscellaneous inputs ####

--- Testing lowercamelcase action call example ---
string(%d) "partnerName"

--- Testing objects ---
string(11) "hello world"

--- Testing a longer and heredoc string ---
string(639) "abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
@#$%^&**&^%$#@!~:())))((((&&&**%$###@@@!!!~~~~@###$%^&*
abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789"

--- Testing a heredoc null string ---
string(0) ""

--- Testing simple and complex syntax strings ---
string(5) "world"
string(7) "world'S"

Warning: Undefined variable $strS in %s on line %d
string(0) ""
string(6) "worldS"
string(6) "worldS"

--- Nested lcfirst() ---
string(5) "hello"
Done