PHP function array_search()
Searches the array for a given value and returns the corresponding key if successful
Availability in versions: PHP 4.0.5
Searches the array for a given value and returns the corresponding key if successful
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$needle |
mixed |
not | The searched value. |
$haystack |
array |
not | The array. |
$strict |
bool |
null |
Return values
mixed
the key for needle if it is found in the array, false otherwise.
If needle is found in haystack more than once, the first matching key is returned. To return the keys for all matching values, use array_keys with the optional search_value parameter instead.
Additional resources
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