3v4l.org

run code in 300+ PHP versions simultaneously
<?php var variables; //echo ['p1', 'p2', 'p3'].map(function($name){ return ':' . $name; }).join(','); //echo join(', ', array_map(function($name) { return ':' . $name; }, array('p1', 'p2', 'p3'))); ?>
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected 'var' (T_VAR) in /in/gH1Pb on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VAR in /in/gH1Pb on line 3
Process exited with code 255.

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177.79 ms | 1395 KiB | 57 Q