tanruixing的博客

字符串模板化$name = 'tanrx';$msgContent = "hello, ${name}";eval( "\$msgContent = \"$msgContent\";" );输出 hello, tanrx提取$和花括弧的字符正则表达式"/(?:\\$\{)([^{}$]*)(?:\})/"

public static function isFieldsEmpty($arrFields = array()) { $traceList = debug_backtrace(); array_shift($traceList); if (empty($traceList)) { Bd_Log::warning("ERROR no caller. backtrace list:" . json_encode(debug_b...