3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &f() { $obj = new stdClass; return &$obj; } function g() { $obj =& f(); } g();
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '&' in /in/qQLVs on line 5
Process exited with code 255.
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179.16 ms | 1395 KiB | 57 Q