(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.
keys
Array of keys to be used. Illegal values for key will be converted to string.
values
Array 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 )