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April 21, 2016 20:19
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Find value in multidimensional array.
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| <?php | |
| function find($criteria, $array, &$match){ | |
| $found = array_key_exists($criteria, $array); | |
| if ($found === false){ | |
| foreach ($array as $value){ | |
| if (is_array($value)){ | |
| if (!find($criteria, $value, $match)){ | |
| continue; | |
| } else { | |
| return true; | |
| } | |
| } | |
| } | |
| return false; | |
| } else { | |
| $match = $array[$criteria]; | |
| return true; | |
| } | |
| } | |
| $array = array(array('1' => array('a', 'b' => array('i', 'ii')), '2', '3'), | |
| array('4' => array('z', 'zz' => 'multidimensional array value'), '5', '6')); | |
| $testArray = array('z', 'zz' => 'test value'); | |
| $matches = null; | |
| $test = find('zz', $testArray, $matches); | |
| var_dump($test, 'test'); | |
| var_dump($matches, 'match'); | |
| $found = find('zz', $array, $matches); | |
| var_dump($found, 'found'); | |
| var_dump($matches, 'match'); |
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You can find a working version at http://codepad.org/BFxPnOAZ