How to quickly remove duplicate values from php array

How to quickly remove duplicate values in PHP arrays: You can use PHP's built-in function array_unique to achieve this, such as [array_unique($array)]. This function removes duplicate values from an array and returns the filtered array.

array_unique() function is used to remove duplicate values from the array and return the filtered array.

If two or more array values are the same, only the first value is retained and the other values are removed.

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Syntax:

array_unique(array)

Parameters:

array Required. Specifies an array.

sortingtype Optional. Specifies the sorting type.

Code example:

"red","b"=>"green","c"=>"red"); print_r(array_unique($a)); ?>

Output result:

Array ( [a] => red [b] => green )

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