PHP array_fill_keys() Function | PHP Array Functions

The array_fill_keys() function is used to create an array using specified keys and a single value. This is particularly useful for initializing arrays with default values.

Key Features of array_fill_keys()

• Creates an array with specified keys and a single value.
• Ensures all keys have the same value.
• Supports keys of any type that can be used as array keys.

Syntax of array_fill_keys()

array array_fill_keys(array $keys, mixed $value);

Example Using array_fill_keys()

The following example demonstrates how array_fill_keys() is used:

$keys = ["a", "b", "c"];
$value = "PHP";
$array = array_fill_keys($keys, $value);
print_r($array);