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PHP array_flatten() function. Convert a multi-dimensional array into a single-dimensional array.
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<?php | |
/** | |
* Convert a multi-dimensional array into a single-dimensional array. | |
* @author Sean Cannon, LitmusBox.com | seanc@litmusbox.com | |
* @param array $array The multi-dimensional array. | |
* @return array | |
*/ | |
function array_flatten($array) { | |
if (!is_array($array)) { | |
return false; | |
} | |
$result = array(); | |
foreach ($array as $key => $value) { | |
if (is_array($value)) { | |
$result = array_merge($result, array_flatten($value)); | |
} else { | |
$result = array_merge($result, array($key => $value)); | |
} | |
} | |
return $result; | |
} |
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For a simple 2D array: