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	`1`	`+<?php`
	`2`	`+class Solution`
	`3`	`+{`
	`4`	`+ /**`
	`5`	`+ * @param String $s`
	`6`	`+ * @return Integer`
	`7`	`+ */`
	`8`	`+ public function reverseDegree($s)`
	`9`	`+ {`
	`10`	`+ $n = strlen($s);`
	`11`	`+`
	`12`	`+ $sum = 0;`
	`13`	`+`
	`14`	`+ $oz = ord('z') ;`
	`15`	`+`
	`16`	`+ for ($i = 0; $i < $n; $i++) {`
	`17`	`+`
	`18`	`+ $value = $oz - ord($s[$i]) + 1;`
	`19`	`+`
	`20`	`+ $sum += $value * ($i +1);`
	`21`	`+ }`
	`22`	`+ return $sum;`
	`23`	`+ }`
	`24`	`+}`
	`25`	`+`
	`26`	`+// Example usage:`
	`27`	`+$solution = new Solution();`
	`28`	`+`
	`29`	`+echo $solution->reverseDegree("abc"); // Output: 5`

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