PHP array_combine() Function

The PHP array_combine() function creates an array by using the values from the keys array as keys and the values from the values array as the corresponding values.

Syntax

array_combine(keys, values)

Parameters

`keys`	`Required.` Specify an array of keys to be used. Illegal values for key will be converted to string.
`values`	`Required.` Specify an array of values to be used.

Return Value

Returns the combined array, false if the number of elements for each array is not equal.

Exceptions

Throws E_WARNING if the number of elements in keys and values does not match.

Example:

The example below shows the usage of array_combine() function.

<?php
$Arr1 = array("Red", "Green", "Blue", 
              "White", "Black");
$Arr2 = array(1, 2, 3, 4, 5);

//using Arr1 as array of keys and
//Arr2 as array of values
$Arr3 = array_combine($Arr1, $Arr2);

//displaying the result
print_r($Arr3);
?>

The output of the above code will be:

Array
(
    [Red] => 1
    [Green] => 2
    [Blue] => 3
    [White] => 4
    [Black] => 5
)

❮ PHP Array Reference