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run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(&$var) { // echo $GLOBALS["baz"]; $x = 1; $var = $x; } $bar = 'bar'; foo(3); var_dump($bar);
based on kpoe5
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.6
Fatal error: Only variables can be passed by reference in /in/FMLSH on line 9
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/FMLSH:9 Stack trace: #0 {main}
Process exited with code 255.