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run code in 200+ php & hhvm versions
Bugs & Features
<?php $myArray=array(123,246); $myArray=array_map("strval",$myArray); var_dump($myarray);
Output for 5.6.30, hhvm-3.15.4 - 3.21.3, 7.0.0 - 7.2.9
Notice: Undefined variable: myarray in /in/CaRGj on line 5 NULL
Output for hhvm-3.22.0
Notice: Undefined variable: myarray in /in/CaRGj on line -1 NULL