3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string='Foo, Bar, Test, X, Y, Z,'; $needle = array("Bar", "Foo"); $pos=0; $count=0; while(($pos = strpos($string, $needle ,$pos)) !== FALSE){ $count++; $pos++; // This en } echo $count;

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28.61 ms | 402 KiB | 5 Q