PHP array_replace() Function

admin | Posted on May 13, 2021 |

The array_replace() function replaces the values of the first array with the values from following arrays.

Tip: You can assign one array to the function, or as many as you like.

If a key from array1 exists in array2, values from array1 will be replaced by the values from array2. If the key only exists in array1.

Parameter	Description
array1	Required. Specifies an array
array2	Optional. Specifies an array which will replace the values of array1
array3,…	Optional. Specifies more arrays to replace the values of array1 and array2, etc. Values from later arrays will overwrite the previous ones.

Syntax

 array_replace(array1,array2,array3...)

Example

$array1 = array("a"=>"Alex","b"=>"James");
$array2 = array("a"=>"Samuel","Cooper");
print_r(array_replace($array1,$array2));

Output

Array ( [a] => Samuel [b] => James [0] => Cooper )

More Example

$array1 = array("Alex","Cooper");
$array2 = array("Cooper","Lachlan");
print_r(array_replace($array1,$array2));

Output

Array ( [0] => Cooper [1] => Lachlan )