3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "start\n"; $x = htmlentities('a', ENT_COMPAT,'cp1251'); echo "end\n";
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
start end
Output for 4.3.0 - 4.3.1
start Warning: htmlentities() [http://www.php.net/function.htmlentities]: charset `cp1251' not supported, assuming iso-8859-1 in /in/A50BK on line 4
Process exited with code 139.
preferences:
227.06 ms | 401 KiB | 326 Q