PHP Unconference Europe 2015

array_uintersect_assoc

(PHP 5)

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

Descrizione

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.

Elenco dei parametri

array1

The first array.

array2

The second array.

value_compare_func

La funzione di confronto deve restituire un intero minore, uguale o maggiore di zero se il primo argomento è considerato essere minore, uguale o maggiore del secondo.

int callback ( mixed $a, mixed $b )

Valori restituiti

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

Esempi

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"));
?>

Il precedente esempio visualizzerà:

Array
(
    [a] => green
)

Vedere anche:

  • array_uintersect() - Computes the intersection of arrays, compares data by a callback function
  • array_intersect_assoc() - Calcola l'intersezione degli array con un ulteriore controllo sugli indici
  • 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 a callback functions

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