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<?php class ErrorLog { /*public static*/ function throwError ($err, $level = E_USER_WARNING, $suppress = false, $shiftBack = 1) { // Shiftback means: look back into the backtrace calls, shifting that amount of calls, and then report the error. // There is no checking whether this many levels actually exist in the call stack, make sure yourself // Error log doesn't show newlines. str_replace( array( "\n" ), array( " " ), $err ); $trace = ErrorLog::getBacktrace(); $info = ""; if (!empty($trace)) { while ($shiftBack > 0) { array_shift($trace); --$shiftBack; } // Error file/line information: $info .= "in " . $trace[0]["file"] . ":" . $trace[0]["line"] . "."; // Caller information: if (count($trace) > 1) { array_shift($trace); $caller = $trace[0]; $info .= " Thrown by "; if (isset($caller["function"])) { if (isset($caller["class"])) { $info .= $caller["class"] . "::"; } $info .= $caller["function"] . "() "; } else { $info .= "global scope "; } $info .= "which was called in " . $caller["file"] . ":" . $caller["line"] . "."; } } $queryStr = $_SERVER["QUERY_STRING"]; $info .= " (Called URL: " . $_SERVER["HOST_NAME"] . $_SERVER["PHP_SELF"] . (!empty($queryStr) ? ("?" . $queryStr) : "") . ")"; $out = "\"" . $err . "\" " . $info; if (!$suppress) { trigger_error($out, $level); } } /*public static*/ function throwDeprecated ($suppress = false) { // Call this method from INSIDE a deprecated function, ErrorLog::throwError("Deprecated!", E_USER_NOTICE, $suppress, 2); } /*private static*/ function getBacktrace () { if (version_compare(PHP_VERSION, "5.2.5", "<")) { return debug_backtrace(); } else { return debug_backtrace(false); // A bit more efficient } } } function a () { ErrorLog::throwDeprecated(); } a();

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