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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a= & $_POST; $a=array(); function isRef($var) { $info = getZvalRefCountInfo($var); return (boolean) $info['is_ref']; } var_dump(isRef($a));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function getZvalRefCountInfo() in /in/u8Rgp:7 Stack trace: #0 /in/u8Rgp(11): isRef(Array) #1 {main} thrown in /in/u8Rgp on line 7
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function getZvalRefCountInfo() in /in/u8Rgp on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: getzvalrefcountinfo() in /in/u8Rgp on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: getzvalrefcountinfo() in /in/u8Rgp on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: getzvalrefcountinfo() in /in/u8Rgp on line 7