PHP array_intersect_assoc() Function
In this chapter you will learn:
- Definition for PHP array_intersect_assoc() Function
- Syntax for PHP array_intersect_assoc() Function
- Parameter for PHP array_intersect_assoc() Function
- Return for PHP array_intersect_assoc() Function
- Example - Compare the keys and values of two arrays, and return the matches
- Example - Compare the keys and values of three arrays, and return the matches
Definition
The array_intersect_assoc() function compares the keys and values of two or more arrays and returns an array that contains the entries from array1 that are present in array2, array3, etc.
Syntax
PHP array_intersect_assoc() Function has the following syntax.
array_intersect_assoc(array1,array2,array3...)
Parameter
Parameter | Is Required | Description |
---|---|---|
array1 | Required. | Array to be compared with |
array2 | Required. | Array to be compared with array1 |
array3,... | Optional. | Array to be compared with array1 |
Return
PHP array_intersect_assoc() Function returns an array that contains the entries from array1 that are present in array2, array3, etc.
Example 1
Compare the keys and values of two arrays, and return the matches:
<?php/*j ava2 s. c om*/
$a1=array("a"=>"A","b"=>"B","c"=>"C","d"=>"Dog");
$a2=array("a"=>"B","b"=>"New B","c"=>"java2s.com");
$result=array_intersect_assoc($a1,$a2);
print_r($result);
?>
The code above generates the following result.
Example 2
Compare the keys and values of three arrays, and return the matches:
<?php//j a v a2 s . c o m
$a1=array("a"=>"A","b"=>"B","c"=>"C","d"=>"Dog");
$a2=array("a"=>"B","b"=>"New B","c"=>"java2s.com");
$a3=array("J"=>"java2s.com");
$result=array_intersect_assoc($a1,$a2,$a3);
print_r($result);
?>
The code above generates the following result.
Next chapter...
What you will learn in the next chapter:
- Definition for PHP array_intersect_key() function
- Syntax for PHP array_intersect_key() function
- Parameter for PHP array_intersect_key() function
- Return value for PHP array_intersect_key() function
- Example - Compare the keys of two indexed arrays, and return the matches
- Example - Compare the keys of three arrays, and return the matches
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