53 lines
1.3 KiB
PHP
53 lines
1.3 KiB
PHP
<?php namespace System;
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class Filter {
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/**
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* The loaded route filters.
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*
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* @var array
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*/
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public static $filters;
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/**
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* Call a set of route filters.
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*
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* @param string $filter
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* @param array $parameters
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* @param bool $override
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* @return mixed
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*/
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public static function call($filters, $parameters = array(), $override = false)
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{
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if (is_null(static::$filters))
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{
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static::$filters = require APP_PATH.'filters'.EXT;
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}
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// --------------------------------------------------------------
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// Filters can be comma-delimited, so spin through each one.
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// --------------------------------------------------------------
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foreach (explode(', ', $filters) as $filter)
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{
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if ( ! isset(static::$filters[$filter]))
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{
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throw new \Exception("Route filter [$filter] is not defined.");
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}
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$response = call_user_func_array(static::$filters[$filter], $parameters);
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// --------------------------------------------------------------
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// If overriding is set to true and the filter returned a
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// response, return that response.
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//
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// Overriding allows for convenient halting of the request
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// flow for things like authentication, CSRF protection, etc.
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// --------------------------------------------------------------
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if ( ! is_null($response) and $override)
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{
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return $response;
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}
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}
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}
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} |