PHP - is_array

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Metóda - is_array

(PHP 4, PHP 5, PHP 7)

Determines whether a given variable is an array.

Procedurálne

• function is_array (mixed $var) : bool

Parametre

Názov	Dátový typ	Predvolená hodnota	Popis
$var	mixed		The variable that will be evaluated.

Mávratovej hodnoty

Vracia: bool

Returns true if the variable is an array, otherwise returns false.

Príklady

<?php

$myArray = [
    'number' => 42,
    'name' => 'Honza',
    'friends' => array('Andrew', 'Thomas', 'Monica')
];

echo is_array($myArray) ? "Is an array\n" : "Is not an array\n";
echo is_array($myArray['number']) ? "Is an array\n" : "Is not an array\n";
echo is_array($myArray['unknown']) ? "Is an array\n" : "Is not an array\n";
echo is_array($myArray['friends']) ? "Is an array\n" : "Is not an array\n";