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@ 2013-07-29T07:23:42Z

<?php
class ErrorLog {
        
        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 = $this->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"] . ".";
                }
            }
            
            $out = "\"" . $err . "\" " . $info;

            if (!$suppress) {
                trigger_error($out, $level);
            }
            
        }
        
        function throwDeprecated ($suppress = false) {
            // Call this method from INSIDE a deprecated function, 
            $this->throwError("Deprecated!", E_USER_NOTICE, $suppress, 2);
        }

        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();

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Non-static method ErrorLog::throwDeprecated() cannot be called statically in /in/3uTY0:75 Stack trace: #0 /in/3uTY0(78): a() #1 {main} thrown in /in/3uTY0 on line 75
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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