Compare both the keys and values of two arrays and return the differences.
| <?php $a1=array(“a”=>“red”,“b”=>“green”,“c”=>“blue”,“d”=>“yellow”); $a2=array(“a”=>“red”,“b”=>“green”,“c”=>“blue”); $result=array_diff_assoc($a1,$a2); print_r($result); ?> |
The array_diff_assoc() function compares both the keys and values of two or more arrays and returns an array with entries from array1 that are not present in array2, array3, and so on.
| array_diff_assoc(array1,array2,array3…) |
|
Parameter |
Description |
|
array1 |
Required. The array to use as the reference for comparison. |
|
array2 |
Required. An array to compare with. |
|
array3,… |
Optional. Additional arrays to compare with. |
|
Return Value: |
Returns an array with entries from |
|
PHP Version: |
4.3+ |
Compare both the keys and values of two arrays and return the entries that are unique to the first array.
| <?php $a1=array(“a”=>“red”,“b”=>“green”,“c”=>“blue”,“d”=>“yellow”); $a2=array(“e”=>“red”,“f”=>“green”,“g”=>“blue”); $result=array_diff_assoc($a1,$a2); print_r($result); ?> |
Compare both the keys and values of three arrays and return the entries that are unique to the first array.
| <?php $a1=array(“a”=>“red”,“b”=>“green”,“c”=>“blue”,“d”=>“yellow”); $a2=array(“a”=>“red”,“f”=>“green”,“g”=>“blue”); $a3=array(“h”=>“red”,“b”=>“green”,“g”=>“blue”); $result=array_diff_assoc($a1,$a2,$a3); print_r($result); ?> |