3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = []; preg_match('/^(foo)(bar)(baz)?$/', 'foobar', list($foo, $bar, $baz) = &$matches); print_r(get_defined_vars());
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '&' in /in/J9shV on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/J9shV on line 3
Process exited with code 255.
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199.25 ms | 1399 KiB | 62 Q