3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = "ab"; $string = "cAbfabe"; $rest = $string; do { $rest = stristr($rest,$s); echo "rest: $rest\n"; $s3 = substr($rest,0,count($s)+1); $string = str_replace($s3,"<$s3>",$string); echo "s3: $s3\n"; $rest = substr($rest,count($s)+1); echo "rest: $rest\n"; echo "=======\n"; } while ($rest != false); echo "string: $string\n";
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
rest: Abfabe s3: Ab rest: fabe ======= rest: abe s3: ab rest: e ======= rest: s3: rest: ======= string: c<Ab>f<ab>e