(PHP 5, PHP 7, PHP 8)
array_combine — Creates an array by using one array for keys and another for its values
$keys, array $values): array
Creates an array by using the values from the
keys array as keys and the values from the
values array as the corresponding values.
keysArray of keys to be used. Illegal values for key will be converted to string.
valuesArray of values to be used
Returns the combined array.
As of PHP 8.0.0, a ValueError is thrown if the number of elements in
keys and values does not
match.
Prior to PHP 8.0.0, a E_WARNING was emitted instead.
| Version | Description |
|---|---|
| 8.0.0 |
array_combine() will now throw a
ValueError if the number of elements
for each array is not equal;
previously this function returned false instead.
|
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
)