Php var dump () function

Write your php code

(PHP 3>= 3.0.5, PHP 4 , PHP 5)

var_dump -- Dumps information about a variable

Syntax

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.

Tip: As with anything that outputs its result directly to the browser, you can use the output-control functions to capture the output of this function, and save it in a string (for example).

Example 1. var_dump() example


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

The above example will 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

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

?>

The above example will output:

float(3.1)
bool(true)

See also var_export() and print_r().

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Php var dump () function

Php Result

Syntax

Php var dump Function syntax tag

Php var dump syntax tutorial