in_array
PHP 4, PHP 5, PHP 7, PHP 8
in_array - Checks if a value exists in an array
in_array(
mixed$needle,
array$haystack,
[bool$strict = false] ): bool
Searches for needle in haystack using loose comparison unless strict is set.
Parameters
- needle
-
The searched value.
Note:
If needle is a string, the comparison is done in a case-sensitive manner.
- haystack
-
The array.
- strict
-
If the third parameter strict is set to true then the in_array function will also check the types of the needle in the haystack.
Return Values
Returns true if needle is found in the array, false otherwise.