Mo Elzubeir
53 lines
1.1 KiB
PHP
53 lines
1.1 KiB
PHP
<?php
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namespace Common\Util\Matcher\Expander;
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use Coduo\PHPMatcher\Matcher\Pattern\PatternExpander;
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/**
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* Class LengthExpander
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* Check that expanded array contains specified number of elements.
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*
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* Example: array.length(2)
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*
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* @package Common\Util\Matcher\Expander
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*/
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class LengthExpander extends AbstractExpander
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{
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/**
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* @var integer
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*/
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private $count;
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/**
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* @param PatternExpander|integer $count Expected number of elements or
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* appropriate pattern expander.
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*/
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public function __construct($count)
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{
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if (! $count instanceof PatternExpander) {
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$count = (int) $count;
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}
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$this->count = $count;
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}
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/**
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* @param mixed $value Value to match.
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*
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* @return boolean
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*/
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public function match($value)
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{
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if (! is_array($value)) {
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return false;
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}
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if ($this->count instanceof PatternExpander) {
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return $this->count->match(count($value));
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}
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return count($value) === $this->count;
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}
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}
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