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<?php $a = "this is school of sachin"; $pattern = "sch"; $b = explode(' ',$a); $b = array_reverse($b); for($i=0;$i < count($b);$i++){ if(strpos($b[$i],$pattern) !== false){ echo $i+1; $full = ', not a full word'; if($b[$i] == $pattern){ $full = ', full word'; } echo $full; } } ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
3, not a full word

preferences:
269.98 ms | 406 KiB | 312 Q