var_dump

Description

void var_dump ( mixed expression [, mixed expression [, ...]] )

This function displays structured information about one or more expressions that includes its type and value. Arrays and objects are explored recursively with values indented to show structure.

In PHP 5 only public, private and protected properties of objects will be returned in the output.

Przykład 1. var_dump() example <?php $a = array (1, 2, array ("a", "b", "c")); var_dump($a); ?> Powyższy przykład wyświetli: array(3) { [0]=> int(1) [1]=> int(2) [2]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } <?php $b = 3.1; $c = true; var_dump($b, $c); ?> Powyższy przykład wyświetli: float(3.1) bool(true)

See also var_export() and print_r().