3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $count=0; echo str_replace("frop","frml","frop",$count=1);
based on SO2UV
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/TgHYP on line 3 frml
Output for hhvm-3.10.0 - 3.12.0
Strict Warning: Only variables should be passed by reference in /in/TgHYP on line 3 frml
Output for 5.1.2 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/TgHYP on line 3 frml
Output for 4.3.0 - 4.3.1, 5.0.0 - 5.1.1
frml
Output for 4.3.2 - 4.4.9
Warning: Wrong parameter count for str_replace() in /in/TgHYP on line 3