$str='["1","2","3","4"]';
echo preg_replace('/\/','',$str);
<br><font color="#e78608">------解决方案--------------------</font><br>可能是你在PHP的配置中开启了自动转义输入数据( magic_quotes_gpc),可以用 stripslashes()来消除转义符<br>$input = '["1","2","3","4"]'; echo stripslashes($input); <div class="clear"></div>
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