array_is_list

array_is_list

Checks whether a given array is a list

bool **array_is_list** array $array

Determines if the given is a list. An array is considered a list if its keys consist of consecutive numbers from to . array``0``count($array)-1

arrayThe array being evaluated.

Returns true if is a list, false otherwise. array

Voorbeeld: example

<?php
var_dump(array_is_list([])); // true
var_dump(array_is_list(['apple', 2, 3])); // true
var_dump(array_is_list([0 => 'apple', 'orange'])); // true

// The array does not start at 0
var_dump(array_is_list([1 => 'apple', 'orange'])); // false

// The keys are not in the correct order
var_dump(array_is_list([1 => 'apple', 0 => 'orange'])); // false

// Non-integer keys
var_dump(array_is_list([0 => 'apple', 'foo' => 'bar'])); // false

// Non-consecutive keys
var_dump(array_is_list([0 => 'apple', 2 => 'bar'])); // false
?>

Opmerking: > This function returns true on empty arrays.

array_values