Commit 8b176df

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feat: add php solution to lc problem: No.1512 (#1011)

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Lines changed: 22 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -254,6 +254,28 @@ int numIdenticalPairs(int *nums, int numsSize) {`
`254`	`254`	`}`
`255`	`255`	```
`256`	`256`
	`257`	`+### PHP`
	`258`	`+`
	`259`	+```php
	`260`	`+class Solution {`
	`261`	`+ /**`
	`262`	`+ * @param Integer[] $nums`
	`263`	`+ * @return Integer`
	`264`	`+ */`
	`265`	`+ function numIdenticalPairs($nums) {`
	`266`	`+ $arr = array_values(array_unique($nums));`
	`267`	`+ for ($i = 0; $i < count($nums); $i++) {`
	`268`	`+ $v[$nums[$i]] += 1;`
	`269`	`+ }`
	`270`	`+ $rs = 0;`
	`271`	`+ for ($j = 0; $j < count($arr); $j++) {`
	`272`	`+ $rs += $v[$arr[$j]] * ($v[$arr[$j]] - 1) / 2;`
	`273`	`+ }`
	`274`	`+ return $rs;`
	`275`	`+ }`
	`276`	`+}`
	`277`	+```
	`278`	`+`
`257`	`279`	`### ...`
`258`	`280`
`259`	`281`	```

Lines changed: 22 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -240,6 +240,28 @@ int numIdenticalPairs(int *nums, int numsSize) {`
`240`	`240`	`}`
`241`	`241`	```
`242`	`242`
	`243`	`+### PHP`
	`244`	`+`
	`245`	+```php
	`246`	`+class Solution {`
	`247`	`+ /**`
	`248`	`+ * @param Integer[] $nums`
	`249`	`+ * @return Integer`
	`250`	`+ */`
	`251`	`+ function numIdenticalPairs($nums) {`
	`252`	`+ $arr = array_values(array_unique($nums));`
	`253`	`+ for ($i = 0; $i < count($nums); $i++) {`
	`254`	`+ $v[$nums[$i]] += 1;`
	`255`	`+ }`
	`256`	`+ $rs = 0;`
	`257`	`+ for ($j = 0; $j < count($arr); $j++) {`
	`258`	`+ $rs += $v[$arr[$j]] * ($v[$arr[$j]] - 1) / 2;`
	`259`	`+ }`
	`260`	`+ return $rs;`
	`261`	`+ }`
	`262`	`+}`
	`263`	+```
	`264`	`+`
`243`	`265`	`### ...`
`244`	`266`
`245`	`267`	```

Lines changed: 17 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,17 @@`
	`1`	`+class Solution {`
	`2`	`+ /**`
	`3`	`+ * @param Integer[] $nums`
	`4`	`+ * @return Integer`
	`5`	`+ */`
	`6`	`+ function numIdenticalPairs($nums) {`
	`7`	`+ $arr = array_values(array_unique($nums));`
	`8`	`+ for ($i = 0; $i < count($nums); $i++) {`
	`9`	`+ $v[$nums[$i]] += 1;`
	`10`	`+ }`
	`11`	`+ $rs = 0;`
	`12`	`+ for ($j = 0; $j < count($arr); $j++) {`
	`13`	`+ $rs += $v[$arr[$j]] * ($v[$arr[$j]] - 1) / 2;`
	`14`	`+ }`
	`15`	`+ return $rs;`
	`16`	`+ }`
	`17`	`+}`

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