How to catch PHP fatal errors (`E_ERROR`)?

Question

I can use set_error_handler() to catch most PHP errors, but it doesn't work with fatal (E_ERROR) errors, such as calling a non-existent function. Is there any other way to catch these errors? I'm trying to call mail() on all errors and I'm running PHP5.2.3.

P粉576184933 · Answer

Use register_shutdown_function to log fatal errors, this requires PHP 5.2:

register_shutdown_function( "fatal_handler" );

function fatal_handler() {
    $errfile = "unknown file";
    $errstr  = "shutdown";
    $errno   = E_CORE_ERROR;
    $errline = 0;

    $error = error_get_last();

    if($error !== NULL) {
        $errno   = $error["type"];
        $errfile = $error["file"];
        $errline = $error["line"];
        $errstr  = $error["message"];

        error_mail(format_error( $errno, $errstr, $errfile, $errline));
    }
}

You must define the error_mail and format_error functions. For example:

function format_error( $errno, $errstr, $errfile, $errline ) {
    $trace = print_r( debug_backtrace( false ), true );

    $content = "
    ";
return $content;
}
Use Swift Mailer to write the error_mail function. 
See also: 

$php_errormsg
Predefined constants

        Item Description
        
            
                Error
                $errstr
            
            
Error number
                $errno
            
            
document
$Error file
            
            
OK
$Error line
            
            
track
                $trace

Item	Description
Error	$errstr
Error number	$errno
document	$Error file
OK	$Error line
track	$trace

How to catch PHP fatal errors (`E_ERROR`)?

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