(PHP 4, PHP 5)
var_dump — Dumps information about a variable
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 all public, private and protected properties of objects will be returned in the output.
The variable you want to export.
無回傳值。
Example#1 var_dump() example
<?php
$a = array(1, 2, array("a", "b", "c"));
var_dump($a);
?>
上例將輸出:
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);
?>
上例將輸出:
float(3.1) bool(true)