(PHP 4 >= 4.0.5)
array_search -- Searches the array for a given value and returns the corresponding key if successfulSearches haystack for needle and returns the key if it is found in the array, FALSE otherwise.
If the optional third parameter strict is set to TRUE then the array_search() will also check the types of the needle in the haystack.
| Warning |
This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function. |
See also in_array().