3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo ' substr: ' . substr( "On the Rhône", 0, 12 ) . PHP_EOL; echo 'mb_substr: ' . mb_substr( "On the Rhône", 0, 12 ) . PHP_EOL;
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
substr: On the Rhôn mb_substr: On the Rhône
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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, 5.5.0 - 5.5.38
substr: On the Rhôn mb_substr: On the Rhôn
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DeJdr on line 3 substr: On the RhônPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DeJdr on line 4 mb_substr: On the RhônPHP_EOL

preferences:
86.92 ms | 2690 KiB | 4 Q