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array_intersect() returns an array containing all the values of array1 that are present in all the arguments. Note that keys are preserved.
Note: Two elements are considered equal if and only if (string) $elem1 === (string) $elem2. In words: when the string representation is the same.
See also array_intersect_assoc(), array_diff(), and array_diff_assoc().
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Generated: 2007-01-26 18:00:01