3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &test() { $result = 'test'; return $result; } test(); echo &$result;
Output for 5.4.18 - 5.4.19
Parse error: syntax error, unexpected '&' in /in/P9l4k on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '&' in /in/n27NF on line 9
Process exited with code 255.
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169.7 ms | 1395 KiB | 55 Q