in_array
in_array — Checks if a value exists in an array.Description
in_array( mixed $needle,Searches for needle in haystack using loose comparison unless strict is set.
array $haystack,
bool $strict = false ): bool
Parameters
needle
The searched value.
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.More information about in_array on official PHP documentation site
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