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<?php |
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namespace smtech\CanvasICSSync\SyncIntoCanvas; |
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class Filter |
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{ |
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/** |
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* Whether or not this filter is enabled |
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* @var boolean |
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*/ |
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protected $enabled = false; |
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/** |
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* Regex to include (applied first) |
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* @var string |
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*/ |
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protected $include; |
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/** |
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* Regex to exclude (applied second) |
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* @var string |
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*/ |
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protected $exclude; |
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public function __construct($enabled, $include, $exclude) |
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{ |
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$this->setEnabled($enabled); |
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$this->setIncludeExpression($include); |
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$this->setExcludeExpression($exclude); |
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} |
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public function setEnabled($enabled) |
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{ |
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$this->enabled = (boolean) $enabled; |
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} |
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public function isEnabled() |
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{ |
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return $enabled; |
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} |
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public function setIncludeExpression($regex) |
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{ |
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$this->include = (string) $regex; |
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} |
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public function getIncludeExpression() |
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{ |
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if (empty($this->include)) { |
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return false; |
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} |
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return $this->include; |
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} |
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public function setExcludeExpression($regex) |
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{ |
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$this->exclude = (string) $regex; |
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} |
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public function getExcludeExpression() |
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{ |
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if (empty($this->exclude)) { |
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return false; |
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} |
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return $this->exclude; |
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} |
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public function filter(Event $event) |
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{ |
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return ( |
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// include this event if filtering is off... |
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$this->isEnabled() == false || |
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( |
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( |
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( // if filtering is on, and there's an include pattern test that pattern... |
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$this->getIncludeExpression() && |
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preg_match('%' . $this->getIncludeExpression() . '%', $event->getProperty('SUMMARY')) |
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) |
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) && |
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!( // if there is an exclude pattern, make sure that this event is NOT excluded |
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$this->getExcludeExpression() && |
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preg_match('%' . $this->getExcludeExpression() . '%', $event->getProperty('SUMMARY')) |
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) |
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) |
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); |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.