PHP: Get key from array?
You can use key():
<?php$array = array( "one" => 1, "two" => 2, "three" => 3, "four" => 4);while($element = current($array)) { echo key($array)."\n"; next($array);}?>
Use the array_search
function.
Example from php.net
$array = array(0 => 'blue', 1 => 'red', 2 => 'green', 3 => 'red');$key = array_search('green', $array); // $key = 2;$key = array_search('red', $array); // $key = 1;
$foo = array('a' => 'apple', 'b' => 'ball', 'c' => 'coke');foreach($foo as $key => $item) { echo $item.' is begin with ('.$key.')';}