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The in_array () function searches an array for a specific value. Note: If the search parameter is a string and the type parameter is set to TRUE, the search is case-sensitive.
in_array only operates on a one dimensional array, so you need to loop over each sub array and run in_array on each. As others have noted, this will only for for a 2-dimensional array. If you have more nested arrays, a recursive version would be better. See the other answers for examples of that.
Array Functions. Change language: in_array. (PHP 4, PHP 5, PHP 7, PHP 8) in_array — Checks if a value exists in an array. Description ¶. 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:
Array Functions. Change language: in_array. (PHP 4, PHP 5, PHP 7, PHP 8) in_array — Checks if a value exists in an array. Description ¶. 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:
5 wrz 2024 · The in_array () function is an inbuilt function in PHP that is used to check whether a given value exists in an array or not. It returns TRUE if the given value is found in the given array, and FALSE otherwise.
Table of Contents. array — Create an array. array_change_key_case — Changes the case of all keys in an array. array_chunk — Split an array into chunks. array_column — Return the values from a single column in the input array. array_combine — Creates an array by using one array for keys and another for its values.
The in_array () function returns true if a value exists in an array. Here’s the syntax of the in_array () function: in_array ( mixed $needle , array $haystack , bool $strict = false ) : boolCode language:PHP(php) In this syntax: $needle is the searched value. $haystack is the array to search.
