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run code in 300+ PHP versions simultaneously
<?php $array[] = array('first'=>'jake','last'=>'quattrocchi'); $array[] = array('first'=>'david'); foreach($array as &$key=>&$value){ $key[$value]['first'] == 'adfgadgadfg'; } var_dump($array);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Fatal error: Key element cannot be a reference in /in/4bfpB on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/4bfpB on line 6
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
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/4bfpB on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/4bfpB on line 6
Process exited with code 255.
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211.95 ms | 1395 KiB | 121 Q