(PHP 3, PHP 4 , PHP 5)
Finds whether the given variable is an array.
The variable being evaluated.
Returns TRUE if var is an array, FALSE otherwise.
Пример 1. Check that variable is an array
<?php $yes = array( 'this' , 'is' , 'an array' ); echo is_array ( $yes ) ? 'Array' : 'not an Array' ; echo "\n" ; $no = 'this is a string' ; echo is_array ( $no ) ? 'Array' : 'not an Array' ; ?>
Результат выполнения данного примера:
Array not an Array