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添加 0242.有效的字母异位词 PHP版本
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@ -221,6 +221,41 @@ func isAnagram(_ s: String, _ t: String) -> Bool {
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}
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```
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PHP:
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```php
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class Solution {
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/**
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* @param String $s
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* @param String $t
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* @return Boolean
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*/
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function isAnagram($s, $t) {
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if (strlen($s) != strlen($t)) {
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return false;
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}
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$table = [];
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for ($i = 0; $i < strlen($s); $i++) {
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if (!isset($table[$s[$i]])) {
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$table[$s[$i]] = 1;
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} else {
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$table[$s[$i]]++;
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}
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if (!isset($table[$t[$i]])) {
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$table[$t[$i]] = -1;
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} else {
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$table[$t[$i]]--;
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}
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}
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foreach ($table as $record) {
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if ($record != 0) {
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return false;
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}
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}
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return true;
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}
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}
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```
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## 相关题目
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* 383.赎金信
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