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run code in 200+ php & hhvm versions
Bugs & Features
<?php function a(){ echo $a; var_dump(func_num_args(4)); } a(5, 7);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: a in /in/XsA40 on line 4 int(2)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/XsA40 on line 4 int(2)