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PHP array_uintersect_assoc

PHP original manual for array_uintersect_assoc [ show | php.net ]

array_uintersect_assoc

(PHP 5, PHP 7)

array_uintersect_assoc — Computes the intersection of arrays with additional index check, compares data by a callback function

Description

array array_uintersect_assoc ( array $array1 , array $array2 [, array $... ], callable $value_compare_func )

Computes the intersection of arrays with additional index check, compares data by a callback function.

Note that the keys are used in the comparison unlike in array_uintersect(). The data is compared by using a callback function.

Parameters

array1

The first array.

array2

The second array.

value_compare_func

The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second. Note that before PHP 7.0.0 this integer had to be in the range from -2147483648 to 2147483647.

int callback ( mixed $a, mixed $b )

Return Values

Returns an array containing all the values of array1 that are present in all the arguments.

Examples

Example #1 array_uintersect_assoc() example

<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");

print_r(array_uintersect_assoc($array1, $array2, "strcasecmp"));
?>

The above example will output:

Array
(
    [a] => green
)

See Also

  • array_uintersect() - Computes the intersection of arrays, compares data by a callback function
  • array_intersect_assoc() - Computes the intersection of arrays with additional index check
  • array_intersect_uassoc() - Computes the intersection of arrays with additional index check, compares indexes by a callback function
  • array_uintersect_uassoc() - Computes the intersection of arrays with additional index check, compares data and indexes by separate callback functions