3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "This is\tan example\nstring"; /* Use tab and newline as tokenizing characters as well */ $tok = strtok($string); ?>
Output for 8.3.0 - 8.3.6
Warning: strtok(): Both arguments must be provided when starting tokenization in /in/NdDp6 on line 4
Output for 4.3.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
preferences:
270.58 ms | 405 KiB | 460 Q