3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s = "arc"; $string = "Marcus"; $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 7.2.0
rest: arcus Warning: count(): Parameter must be an array or an object that implements Countable in /in/eIP6M on line 9 s3: ar Warning: count(): Parameter must be an array or an object that implements Countable in /in/eIP6M on line 12 rest: cus ======= rest: Warning: count(): Parameter must be an array or an object that implements Countable in /in/eIP6M on line 9 s3: Warning: count(): Parameter must be an array or an object that implements Countable in /in/eIP6M on line 12 rest: ======= string: M<ar>cus
Output for 4.3.0 - 7.1.10
rest: arcus s3: ar rest: cus ======= rest: s3: rest: ======= string: M<ar>cus