PHP array_replace_recursive() Function
Definition
The array_replace_recursive() function replaces the values of the first array with the values from following arrays recursively.
Syntax
PHP array_replace_recursive() Function has the following syntax.
array_replace_recursive(array1,array2,array3...)Parameter
| Parameter | Is Required | Description |
|---|---|---|
| array1 | Required. | Array to be replaced |
| array2 | Optional. | Array to replace array1 |
| array3,... | Optional. | Array to replace array before array3(array1,array2) |
Example 1
Replaces the values of the first array with the values from following arrays recursively
<?php// w ww .j av a2s .c o m
$a1=array("a"=>array("A"),"b"=>array("Java","PHP"),);
$a2=array("a"=>array("B"),"b"=>array("HTML"));
print_r(array_replace_recursive($a1,$a2));
?>
The code above generates the following result.
Example 2
Multiple arrays:
<?php// w ww . ja v a2 s .c o m
$a1=array("a"=>array("A"),"b"=>array("Java","PHP"),);
$a2=array("a"=>array("B"),"b"=>array("HTML"));
$a3=array("a"=>array("C"),"b"=>array("CSS"));
print_r(array_replace_recursive($a1,$a2,$a3));
?>
The code above generates the following result.
Example 3
Differences between array_replace() and array_replace_recursive():
<?php/*from ww w .j a v a 2 s. c o m*/
$a1=array("a"=>array("A"),"b"=>array("Java","PHP"),);
$a2=array("a"=>array("B"),"b"=>array("HTML"));
$result=array_replace_recursive($a1,$a2);
print_r($result);
$result=array_replace($a1,$a2);
print_r($result);
?>
The code above generates the following result.
