public static function ErrorHandler::register in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/debug/ErrorHandler.php \Symfony\Component\Debug\ErrorHandler::register()

Registers the error handler.

Parameters

self|null|int $handler The handler to register, or @deprecated (since version 2.6, to be removed in 3.0) bit field of thrown levels:

bool $replace Whether to replace or not any existing handler:

Return value

self The registered error handler

12 calls to ErrorHandler::register()

Debug::enable in vendor/symfony/debug/Debug.php

Enables the debug tools.

DebugClassLoaderTest::testStacking in vendor/symfony/debug/Tests/DebugClassLoaderTest.php

ErrorHandlerTest::testConstruct in vendor/symfony/debug/Tests/ErrorHandlerTest.php

ErrorHandlerTest::testDefaultLogger in vendor/symfony/debug/Tests/ErrorHandlerTest.php

ErrorHandlerTest::testErrorStacking in vendor/symfony/debug/Tests/ErrorHandlerTest.php

... See full list

File

vendor/symfony/debug/ErrorHandler.php, line 119

Class

ErrorHandler

A generic ErrorHandler for the PHP engine.

Namespace

Symfony\Component\Debug

Code

public static function register($handler = null, $replace = true) {
  if (null === self::$reservedMemory) {
    self::$reservedMemory = str_repeat('x', 10240);
    register_shutdown_function(__CLASS__ . '::handleFatalError');
  }
  $levels = -1;
  if ($handlerIsNew = !$handler instanceof self) {

    // @deprecated polymorphism, to be removed in 3.0
    if (null !== $handler) {
      $levels = $replace ? $handler : 0;
      $replace = true;
    }
    $handler = new static();
  }
  $prev = set_error_handler(array(
    $handler,
    'handleError',
  ), $handler->thrownErrors | $handler->loggedErrors);
  if ($handlerIsNew && is_array($prev) && $prev[0] instanceof self) {
    $handler = $prev[0];
    $replace = false;
  }
  if ($replace || !$prev) {
    $handler
      ->setExceptionHandler(set_exception_handler(array(
      $handler,
      'handleException',
    )));
  }
  else {
    restore_error_handler();
  }
  $handler
    ->throwAt($levels & $handler->thrownErrors, true);
  return $handler;
}