array_combine
(PHP 5)
array_combine — Creates an array by using one array for keys and another for its values
Description
array array_combine
( array $keys
, array $values
)
Creates an array by using the values from the keys array as keys and the values from the values array as the corresponding values.
Parameters
- keys
-
Array of keys to be used. Illegal values for key will be converted to string.
- values
-
Array of values to be used
Return Values
Returns the combined array, FALSE if the number of elements for each array isn't equal.
Errors/Exceptions
Throws E_WARNING if the number of elements in keys and values does not match.
Changelog
| Version | Description |
|---|---|
| 5.4.0 | Previous versions issued E_WARNING and returned FALSE for empty arrays. |
Examples
Example #1 A simple array_combine() example
<?php
$a = array('green', 'red', 'yellow');
$b = array('avocado', 'apple', 'banana');
$c = array_combine($a, $b);
print_r($c);
?>
The above example will output:
Array
(
[green] => avocado
[red] => apple
[yellow] => banana
)
See Also
- array_merge() - Merge one or more arrays
- array_walk() - Apply a user function to every member of an array
- array_values() - Return all the values of an array