3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1, 2, 3, 4); foreach ($array as &$valor) { $valor = $valor * 2; } // $array ahora es array(2, 4, 6, 8) unset(&$valor); // rompe la referencia con el último elemento var_dump($array); ?>
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '&' in /in/XVAYN on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected '&', expecting T_STRING or T_VARIABLE or '$' in /in/XVAYN on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '&', expecting T_STRING or T_VARIABLE or '$' in /in/XVAYN on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/XVAYN 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
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/XVAYN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/XVAYN on line 3
Process exited with code 255.
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