3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // Bogus define thing $cssFiles = array(); $url = ""; $key = ""; // Code in question $cssFiles[$url] = array_shift(explode('minScriptCssSort', $key));
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/OXt1b on line 9
Output for 5.1.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/OXt1b on line 9
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/OXt1b on line 9
Process exited with code 255.
Output for 4.3.0 - 5.0.4