3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mas = new Array('first' => '1', 'second' => '2'); function f($m){ $m['first'] = 3; var_dump($m); return 'Done!'; } var_dump($mas); echo '============'; f($mas); echo ('----------'); var_dump($mas);
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'Array' (T_ARRAY) in /in/3t7gr on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ARRAY in /in/3t7gr on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_ARRAY, expecting T_STRING or T_VARIABLE or '$' in /in/3t7gr on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting T_STRING or T_VARIABLE or '$' in /in/3t7gr on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or `'$'' in /in/3t7gr on line 3
Process exited with code 255.

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