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28 lines
839 B
28 lines
839 B
<?php |
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namespace Doctrine\Common; |
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/** |
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* Comparable interface that allows to compare two value objects to each other for similarity. |
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* |
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* @link www.doctrine-project.org |
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* @since 2.2 |
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* @author Benjamin Eberlei <kontakt@beberlei.de> |
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com> |
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*/ |
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interface Comparable |
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{ |
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/** |
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* Compares the current object to the passed $other. |
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* |
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* Returns 0 if they are semantically equal, 1 if the other object |
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* is less than the current one, or -1 if its more than the current one. |
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* |
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* This method should not check for identity using ===, only for semantical equality for example |
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* when two different DateTime instances point to the exact same Date + TZ. |
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* |
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* @param mixed $other |
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* |
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* @return int |
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*/ |
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public function compareTo($other); |
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}
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