Compare the values of three arrays, and return the differences in PHP

Description

The following code shows how to compare the values of three arrays, and return the differences.

Example


// ww  w .  j av  a2  s .c o m
<?php
    $a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");
    $a2=array("e"=>"red","f"=>"black","g"=>"purple");
    $a3=array("a"=>"red","b"=>"black","h"=>"HTML");

    $result=array_diff($a1,$a2,$a3);
    print_r($result);
?>

The code above generates the following result.





















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