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驼峰字符串转换成下划线样式

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2016-05-24 12:52:512028browse

驼峰字符串转换成下划线样式

// 驼峰字符串转换成下划线样式
$str = 'openAPI';
echo $str."<BR>";
echo strtolower(preg_replace(&#39;/((?<=[a-z])(?=[A-Z]))/&#39;, &#39;_&#39;, $str)).&#39;<br>&#39;;

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