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var_dump

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Dumps information about a variable

Description

var_dump(mixed $value, mixed ...$values): void

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.

All public, private and protected properties of objects will be returned in the output unless the object implements a __debugInfo() method.

Ob-capture

Parameters

value: The expression to dump.
values: Further expressions to dump.

Return Values

Void

Examples

var_dump() example

php

<?php
$a = array(1, 2, array("a", "b", "c"));
var_dump($a);
?>

The above example will output:

output

array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  array(3) {
    [0]=>
    string(1) "a"
    [1]=>
    string(1) "b"
    [2]=>
    string(1) "c"
  }
}

php

<?php

$b = 3.1;
$c = true;
var_dump($b, $c);

?>