<?php function getConstantName($category, $constantNumber) { foreach (get_defined_constants() as $key => $value) { if (strlen($key) > strlen($category)) { if (substr($key, 0, strlen($category)) === $category) { if ($value === $constantNumber) { return $key; } return null; } } } } var_dump( getConstantName('IMAGE', 1) );
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