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Dmitry Stogov
64b40f69dc
This helps to avoid unnecessary IS_REFERENCE checks. This changes some notices "Only variables should be passed by reference" to exception "Cannot pass parameter %d by reference". Also, for consistency, compile-time fatal error "Only variables can be passed by reference" was converted to exception "Cannot pass parameter %d by reference"
67 lines
1.3 KiB
PHP
67 lines
1.3 KiB
PHP
--TEST--
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Passing assignments by reference
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--FILE--
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<?php
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function f(&$a) {
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var_dump($a);
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$a = "a.changed";
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}
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echo "\n\n---> Pass constant assignment by reference:\n";
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try {
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f($a="a.original");
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var_dump($a);
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} catch (Throwable $e) {
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echo "Exception: " . $e->getMessage() ."\n";
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}
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echo "\n\n---> Pass variable assignment by reference:\n";
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try {
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unset($a);
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$a = "a.original";
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f($b = $a);
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var_dump($a);
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} catch (Throwable $e) {
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echo "Exception: " . $e->getMessage() ."\n";
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}
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echo "\n\n---> Pass reference assignment by reference:\n";
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try {
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unset($a, $b);
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$a = "a.original";
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f($b =& $a);
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var_dump($a);
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} catch (Throwable $e) {
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echo "Exception: " . $e->getMessage() ."\n";
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}
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echo "\n\n---> Pass concat assignment by reference:\n";
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try {
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unset($a, $b);
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$b = "b.original";
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$a = "a.original";
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f($b .= $a);
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var_dump($a);
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} catch (Throwable $e) {
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echo "Exception: " . $e->getMessage() ."\n";
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}
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?>
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--EXPECT--
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---> Pass constant assignment by reference:
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Exception: Cannot pass parameter 1 by reference
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---> Pass variable assignment by reference:
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Exception: Cannot pass parameter 1 by reference
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---> Pass reference assignment by reference:
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string(10) "a.original"
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string(9) "a.changed"
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---> Pass concat assignment by reference:
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Exception: Cannot pass parameter 1 by reference
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