3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $haystack = 'this is a verygood school of sachin'; $pattern = 'sch'; for ($i = strlen($haystack); $i > 0; $i--) { echo $i . ' '; } echo '<br>'; for ($i = 0; $i < strlen($haystack); $i++) { echo $haystack[$i] . ' '; } $match = strstr($haystack, $pattern); $result = strlen($match) - strlen($pattern); echo $result; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 <br>t h i s i s a v e r y g o o d s c h o o l o f s a c h i n 13