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Sets a user-defined exception handler function

set_error_handler

Error Handling Functions

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.

Parameters

exception_handler: Name of the function to be called when an uncaught exception occurs. This function must be defined before calling set_exception_handler(). This handler function needs to accept one parameter, which will be the exception object that was thrown.

Return Values

Returns the name of the previously defined exception handler, or NULL on error. If no previous handler was defined, NULL is also 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";
?>

See Also

restore_exception_handler() - Restores the previously defined exception handler function
restore_error_handler() - Restores the previous error handler function
error_reporting() - Sets which PHP errors are reported
information about the callback type
PHP 5 Exceptions

set_error_handler

Error Handling Functions

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