Both arrays are same, when sorted We can compare two arrays andreturn the differencebetween the two arrays, and do so, we use thearray_diff()function. With this function, we can compare two arrays and expect a return array that contains elements in the first array that are not in the ...
If you need compare two arrays of integers or strings you can use such function: public static function arrayDiffEmulation($arrayFrom, $arrayAgainst) { $arrayAgainst = array_flip($arrayAgainst); foreach ($arrayFrom as $key => $value) { if(isset($arrayAgainst[$value])) { unset($array...
This is my simple function do compare two arrays. It adds the deleted values from the original array. <?php function array_diff_($old_array,$new_array) { foreach($new_array as $i=>$l){ if($old_array[$i] != $l){ $r[$i]=$l; } } //adding deleted values foreach($old_...
Compare the values of three arrays, and return the matches: <?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"=>"yellow"); $result=array_intersect(...
This function compares the keys and values of two (or more) arrays and return an array that contains the entries from array1 but that are not present in array2 or array3, etc.This function is different than array_diff() function because array_diff() uses only values to compare with ...
You can use the array_diff function in PHP to compare two arrays and check if the first array contains all of the values from the second array. <?php $arr1 = ["a", "b", "c"]; $arr2 = ["a", "b"]; if (empty(array_diff($arr2, $arr1))) { echo "arr1 contains...
Compare thevaluesof two arrays, and return the matches: <?php $a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow"); $a2=array("e"=>"red","f"=>"green","g"=>"blue"); $result=array_intersect($a1,$a2); ...
Instead of using loose equality, prior to comparing you could ensure all elements of array have the correct types (for example by using array_map(), array_walk(), etc.), and compare with strict equality. Arrays Not Having the Same Order: $a = [1 => 'a', 2 => 'b']; $b = ...
The array_intersect_uassoc() function compares the keys and values of two (or more) arrays, and returns the matches.Note: This function uses a user-defined function to compare the keys!This function compares the keys and values of two or more arrays, and return an array that contains the...
Compare the values of two arrays (use a user-defined function to compare the values) and return the differences:<?php function myfunction($a,$b){if ($a===$b) { return 0; } return ($a>$b)?1:-1;}$a1=array("a"=>"red","b"=>"green","c"=>"blue");...