author | Markus Broeker<broeker.markus@googlemail.com> |
Sun, 14 Feb 2016 22:24:29 +0100 | |
changeset 45 | a56e7f9a0463 |
parent 0 | 4869aea77e21 |
permissions | -rw-r--r-- |
0
4869aea77e21
Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
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<?php |
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/** |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
4869aea77e21
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Markus Bröker <broeker.markus@googlemail.com>
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
4869aea77e21
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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* @package log4php |
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*/ |
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|
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/** |
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* Returns a value from a superglobal array corresponding to the |
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* given key. |
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* |
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* Option: the key to look up within the superglobal array |
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* |
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* Also, it is possible that a superglobal variable is not populated by PHP |
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* because of the settings in the variables-order ini directive. In this case |
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* the converter will return an empty value. |
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* |
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* @see http://php.net/manual/en/language.variables.superglobals.php |
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* @see http://www.php.net/manual/en/ini.core.php#ini.variables-order |
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* |
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* @package log4php |
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* @subpackage pattern |
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* @version $Revision: 1326626 $ |
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* @since 2.3 |
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*/ |
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abstract class LoggerPatternConverterSuperglobal extends LoggerPatternConverter { |
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|
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/** |
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* Name of the superglobal variable, to be defined by subclasses. |
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* For example: "_SERVER" or "_ENV". |
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*/ |
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protected $name; |
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protected $value = ''; |
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public function activateOptions() { |
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// Read the key from options array |
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if (isset($this->option) && $this->option !== '') { |
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$key = $this->option; |
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} |
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|
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/* |
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* There is a bug in PHP which doesn't allow superglobals to be |
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* accessed when their name is stored in a variable, e.g.: |
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* |
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* $name = '_SERVER'; |
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* $array = $$name; |
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* |
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* This code does not work when run from within a method (only when run |
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* in global scope). But the following code does work: |
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* |
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* $name = '_SERVER'; |
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* global $$name; |
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* $array = $$name; |
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* |
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* That's why global is used here. |
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*/ |
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global ${$this->name}; |
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|
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// Check the given superglobal exists. It is possible that it is not initialized. |
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if (!isset(${$this->name})) { |
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$class = get_class($this); |
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trigger_error("log4php: $class: Cannot find superglobal variable \${$this->name}.", E_USER_WARNING); |
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return; |
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} |
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|
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$source = ${$this->name}; |
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|
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// When the key is set, display the matching value |
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if (isset($key)) { |
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if (isset($source[$key])) { |
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$this->value = $source[$key]; |
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} |
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} // When the key is not set, display all values |
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else { |
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$values = array(); |
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foreach ($source as $key => $value) { |
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$values[] = "$key=$value"; |
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} |
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$this->value = implode(', ', $values); |
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} |
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} |
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|
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public function convert(LoggerLoggingEvent $event) { |
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return $this->value; |
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} |
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} |