PHP manuál : function.set-exception-handler.html


set_exception_handler

set_exception_handler

(PHP 5)

set_exception_handler --  Sets a user-defined exception handler function

Description

string set_exception_handler ( callback exception_handler )

Sets the default exception handler if an exception is not caught within a try/catch block. Execution will stop after the exception_handler is called.

The exception_handler must be defined before calling set_exception_handler(). This function needs to accept one parameter, which will be the exception object that was thrown. exception_handler ( object exception )

exception

Name of function to be called when an uncaught exception occurs.

Parameters

exception_handler

Name of function to be called when an uncaught exception occurs.

Return Values

Returns the previously defined exception handler, or FALSE on error. If no previous handler was defined, an empty string is returned.

Examples

Example 1. set_exception_handler() example

<?php
function exception_handler($exception) {
  echo
"Uncaught exception: " , $exception->getMessage(), "\n";
}

set_exception_handler('exception_handler');

throw new Exception('Uncaught Exception');
echo
"Not Executed\n";
?>


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