PHP array_uintersect_assoc() Function
Example
Compare the keys and values of two arrays (using a built-in function to compare the keys and a user-defined function to compare the values) and return the matches:
<?php
function myfunction($a,$b)
{
if ($a===$b)
{
return 0;
}
return ($a>$b)?1:-1;
}
$a1=array("a"=>"red","b"=>"green","c"=>"blue");
$a2=array("a"=>"red","b"=>"blue","c"=>"green");
$result=array_uintersect_assoc($a1,$a2,"myfunction");
print_r($result);
?>
Run example »
function myfunction($a,$b)
{
if ($a===$b)
{
return 0;
}
return ($a>$b)?1:-1;
}
$a1=array("a"=>"red","b"=>"green","c"=>"blue");
$a2=array("a"=>"red","b"=>"blue","c"=>"green");
$result=array_uintersect_assoc($a1,$a2,"myfunction");
print_r($result);
?>
Definition and Usage
The array_uintersect_assoc() function compares the keys and values of two or more arrays, and returns the matches.
Note: This function uses a built-in function to compare the keys, and a user-defined function to compare the values!
This function compares the keys and values of two (or more) arrays, and return an array that contains the entries from array1 that are present in array2, array3, etc.
Syntax
array_uintersect_assoc(array1,array2,array3...,myfunction)
| Parameter | Description |
|---|---|
| array1 | Required. The array to compare from |
| array2 | Required. An array to compare against |
| array3,... | Optional. More arrays to compare against |
| myfunction | Required. A string that define a callable comparison function. The comparison function must return an integer <, =, or > than 0 if the first argument is <, =, or > than the second argument |
Technical Details
| Return Value: | Returns an array containing the entries from array1 that are present in all of the other arrays |
|---|---|
| PHP Version: | 5+ |
PHP Array Reference
