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Push — master ( 195cac...2c4aac )
by Nazar
05:02
created

False_class::__isset()   A

↳ Parent: False_class

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 2

Importance

Changes 0
Metric Value
cc 1
eloc 2
nc 1
nop 1
dl 0
loc 3
ccs 0
cts 2
cp 0
crap 2
rs 10
c 0
b 0
f 0
1 
<?php
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/**
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 * @package   CleverStyle Framework
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 * @author    Nazar Mokrynskyi <[email protected]>
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 * @copyright Copyright (c) 2011-2017, Nazar Mokrynskyi
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 * @license   MIT License, see license.txt
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 */
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namespace cs;
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use
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	ArrayAccess,
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	SimpleXMLElement;
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/**
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 * False_class is used for chained calling, when some method may return false.
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 *
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 * Usage of class is simple, just return his instance instead of real boolean <i>false</i>.
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 * On every call of any method or getting of any property or getting any element of array instance of the this class will be returned.
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 * Access to anything of this class instance will be casted to boolean <i>false</i>
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 *
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 * Inherits SimpleXMLElement in order to be casted from object to boolean as <i>false</i>
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 *
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 * @property string $error
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 */
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class False_class extends SimpleXMLElement implements ArrayAccess {
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	/**
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	 * Use this method to obtain correct instance
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	 *
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	 * @return False_class
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	 */
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	public static function instance () {
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		static $instance;
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		if (!isset($instance)) {
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			$instance = new self('<?xml version=\'1.0\'?><cs></cs>');
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		}
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		return $instance;
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	}
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	/**
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	 * Getting any property
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	 *
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	 * @param string $item
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	 *
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	 * @return False_class
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	 */
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	public function __get ($item) {
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		return $this;
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	}
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	/**
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	 * Getting any property
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	 *
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	 * @param string $item
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	 *
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	 * @return false
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	 */
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	public function __isset ($item) {
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		return false;
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	}
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	/**
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	 * Calling of any method
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	 *
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	 * @param string  $method
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	 * @param mixed[] $params
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	 *
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	 * @return False_class
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	 */
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	public function __call ($method, $params) {
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		return $this;
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	}
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	/**
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	 * Calling as callable
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	 *
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	 * @return False_class
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	 */
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	public function __invoke () {
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		return $this;
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	}
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	/**
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	 * @return string
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	 */
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	public function __toString () {
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		return '';
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	}
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	/**
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	 * If item exists
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	 */
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	public function offsetExists ($offset) {
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		return false;
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	}
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	/**
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	 * Get item
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	 */
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	public function offsetGet ($offset) {
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		return $this;
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	}
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	/**
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	 * Set item
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	 */
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	public function offsetSet ($offset, $value) { }
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	/**
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	 * Delete item
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	 */
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	public function offsetUnset ($offset) { }
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}
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