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drupalcampbristol/core/lib/Drupal/Component/Assertion/Handle.php

76 lines
1.9 KiB
PHP

<?php
/**
* @file
* Contains \Drupal\Component\Assertion\Handle.
*
* For PHP 5 this contains \AssertionError as well.
*/
namespace {
if (!class_exists('AssertionError', FALSE)) {
/**
* Emulates PHP 7 AssertionError as closely as possible.
*
* We force this class to exist at the root namespace for PHP 5.
* This class exists natively in PHP 7. Note that in PHP 7 it extends from
* Error, not Exception, but that isn't possible for PHP 5 - all exceptions
* must extend from exception.
*/
class AssertionError extends Exception {
/**
* {@inheritdoc}
*/
public function __construct($message = '', $code = 0, Exception $previous = NULL, $file = '', $line = 0) {
parent::__construct($message, $code, $previous);
// Preserve the filename and line number of the assertion failure.
$this->file = $file;
$this->line = $line;
}
}
}
}
namespace Drupal\Component\Assertion {
/**
* Handler for runtime assertion failures.
*
* This class allows PHP 5.x to throw exceptions on runtime assertion fails
* in the same manner as PHP 7, and sets the ASSERT_EXCEPTION flag to TRUE
* for the PHP 7 runtime.
*
* @ingroup php_assert
*/
class Handle {
/**
* Registers uniform assertion handling.
*/
public static function register() {
// Since we're using exceptions, turn error warnings off.
assert_options(ASSERT_WARNING, FALSE);
if (version_compare(PHP_VERSION, '7.0.0-dev') < 0) {
// PHP 5 - create a handler to throw the exception directly.
assert_options(ASSERT_CALLBACK, function($file, $line, $code, $message) {
if (empty($message)) {
$message = $code;
}
throw new \AssertionError($message, 0, NULL, $file, $line);
});
}
else {
// PHP 7 - just turn exception throwing on.
assert_options(ASSERT_EXCEPTION, TRUE);
}
}
}
}