驼峰字符串转换成下划线样式
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- 2016-05-24 12:52:512059browse
// 驼峰字符串转换成下划线样式 $str = 'openAPI'; echo $str."<BR>"; echo strtolower(preg_replace('/((?<=[a-z])(?=[A-Z]))/', '_', $str)).'<br>';
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