Commit b8267e5

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Add solution 162.

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	`1`	`+class Solution {`
	`2`	`+`
	`3`	`+ /**`
	`4`	`+ * @param Integer[] $nums`
	`5`	`+ * @return Integer`
	`6`	`+ */`
	`7`	`+ function findPeakElement($nums) {`
	`8`	`+ if($nums==null\|\|count($nums)<=1)return 0;`
	`9`	`+`
	`10`	`+ if(count($nums)>=2){`
	`11`	`+ if($nums[count($nums)-1]>$nums[count($nums)-2])return count($nums)-1;`
	`12`	`+ }`
	`13`	`+`
	`14`	`+ for($i=1;$i<count($nums)-1;$i++){`
	`15`	`+ if($nums[$i]>$nums[$i-1]&&$nums[$i]>$nums[$i+1])return $i;`
	`16`	`+ }`
	`17`	`+`
	`18`	`+ return 0;`
	`19`	`+ }`
	`20`	`+}`

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