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run code in 150+ php & hhvm versions
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<?php $pattern = "sch"; $b = array_reverse(explode(' ','this is school of sachin')); for($i=0;$i < count($b);$i++){ if(strpos($b[$i],$pattern) !== false){ echo $i+1; } } ?>
Output for 4.3.0 - 7.1.0
3