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Return an Array key using a search term
| Author | Matthew |
| Description | Searches an array for a selected string and if it is found returns the key to which that string is stored in the array. |
| Rating |  (4 votes) |
PHP Code
<?php
/***********************************************************************
* Use
*
* $needle // The item you are looking for
* $array // The array you are searching in
*
* // Return the key
* $array_key = array_searcher($needle, $array);
* echo "The array's key is : " . $array_key;
***********************************************************************/
function array_searcher($needle, $array)
{
// Make sure a valid array was passed
if(!is_array($array))
{
return "Not a valid array";
}
// Loop through each part of the array
foreach ($array as $key => $item)
{
// Inner loop
foreach($item as $entity)
{
// Found a match, return the key
if ($entity == $needle)
{
return $key;
}
}
}
}
?>
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