3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
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&$child) { echo $child . "\n"; }
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.0.0 - 5.4.45
Fatal error: Cannot create references to elements of a temporary array expression in /in/qprSd on line 161
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/qprSd on line 161
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/qprSd on line 161
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/qprSd on line 161
Process exited with code 255.