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run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($var) { debug_zval_dump($var); $GLOBALS['a']++; $GLOBALS['var']++; echo $var; echo $GLOBALS['a']; echo $GLOBALS['var']; } $a = 0; test($a);
Output for 7.0.0 - 7.1.0
int(0) Notice: Undefined index: var in /in/jo3MB on line 7 011
Output for 5.3.0 - 5.6.21
long(0) refcount(4) Notice: Undefined index: var in /in/jo3MB on line 7 011
Output for 4.3.0 - 5.2.17
long(0) refcount(4) Notice: Undefined index: var in /in/jo3MB on line 7 011