<?php $s = "ab"; $s1 = "cAbfabe"; $s2 = $s1; do { $s2 = stristr($s2,$s); echo "s2: $s2\n"; $s3 = substr($s2,0,count($s)+1); $s1 = str_ireplace($s3,"<$s3>",$s1); echo "s3: $s3\n"; $s2 = substr($s2,count($s)+1); echo "s2: $s2\n"; echo "=======\n"; } while ($s2 != false); echo "s1: $s1\n";
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