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添加(1047.删除字符串中的所有相邻重复项.md):php版本
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@ -375,5 +375,30 @@ func removeDuplicates(_ s: String) -> String {
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}
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}
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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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function removeDuplicates($s) {
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$stack = new SplStack();
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for($i=0;$i<strlen($s);$i++){
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if($stack->isEmpty() || $s[$i] != $stack->top()){
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$stack->push($s[$i]);
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}else{
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$stack->pop();
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}
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}
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$result = "";
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while(!$stack->isEmpty()){
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$result.= $stack->top();
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$stack->pop();
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}
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// 此时字符串需要反转一下
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return strrev($result);
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}
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}
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```
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-----------------------
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-----------------------
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<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
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<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
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