array_unique
array_unique — Removes duplicate values from an array.Description
array_unique( array $array,Takes an input array and returns a new array without duplicate values. Note that keys are preserved. If multiple elements compare equal under the given flags, then the key and value of the first equal element will be retained.
int $flags = SORT_STRING ): array
Note:Two elements are considered equal if and only if (string) $elem1 === (string) $elem2 i.e. when the string representation is the same, the first element will be used.
Parameters
array
The input array.
int
The optional sorting flags. It can be any combination of SORT_REGULAR, SORT_NUMERIC, SORT_STRING, SORT_LOCALE_STRING, SORT_NATURAL, SORT_FLAG_CASE or SORT_NATURAL_CASE.
Return Values
Returns the filtered array.More information about array_unique on official PHP documentation site
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array_unique - New snippets
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