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34 lines
994 B
34 lines
994 B
13 years ago
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A property is defined by a getter method (e.g. `getLabel`), and/or a setter method (e.g. `setLabel`). For example,
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the following getter and setter methods define a property named `label`:
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~~~
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private $_label;
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public function getLabel()
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{
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return $this->_label;
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}
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public function setLabel($value)
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{
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$this->_label = $value;
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}
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~~~
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Property names are *case-insensitive*.
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A property can be accessed like a member variable of an object. Reading or writing a property will cause the invocation
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of the corresponding getter or setter method. For example,
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~~~
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// equivalent to $label = $object->getLabel();
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$label = $object->label;
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// equivalent to $object->setLabel('abc');
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$object->label = 'abc';
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~~~
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If a property has only a getter method and has no setter method, it is considered as *read-only*. In this case, trying
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to modify the property value will cause an exception.
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One can call [[hasProperty]], [[canGetProperty]] and/or [[canSetProperty]] to check the existence of a property.
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