array functions

Installation

Require it with composer:

composer require chebur/array-functions

Functions list

• array_map_key
• array_value_first
• array_value_last
• array_value
• array_value_string
• array_value_int
• array_value_bool
• array_value_float
• array_value_array

array_map_key

Function works the practically the same as array_map but it applies the callback to the KEYS of the given array.

$array = [
    0 => 10,
    1 => 20,
    2 => 30,
];
$result = array_map_key(function($key, $value) {}, $array);

print_r($result); returns:

Array ( [11] => 10 [22] => 20 [33] => 30 )

array_value_first

Function described in PHP RFC but was not accepted.
Returns the first element of an array or NULL if an array is empty.

array_value_last

Function described in PHP RFC but was not accepted.
Returns the last element of an array or NULL if an array is empty.

array_value

Returns element of an array by key otherwise null.

array_value_string

Returns ONLY STRING element of an array by key otherwise null.

array_value_int

Returns ONLY INTEGER element of an array by key otherwise null.

array_value_bool

Returns ONLY BOOL element of an array by key otherwise null.

array_value_float

Returns ONLY FLOAT element of an array by key otherwise null.

array_value_array

Returns ONLY ARRAY element of an array by key otherwise null.

License

See LICENSE.