Usage and Example of PHP debug_zval_dump() Function

PHP Available Functions

debug_zval_dump The function is used to view the reference count and type information of a variable in the zend engine.

Version Requirement: PHP 4 >= 4.2.0, PHP 5, PHP 7

Syntax

void debug_zval_dump ( mixed $variable [, mixed $... ] )

Parameter Description:

• $variable: The variable to be viewed.

Return Value

No Return Value

Online Example

<?php
$a  =  'w3codebox';
debug_zval_dump($a);
　
//　Multiple Parameters
$b  =  'google';
debug_zval_dump($a,  $b);
?>

The execution result is as follows:

string(6)  "w3codebox"  refcount(1)
string(6)  "w3codebox"  refcount(1)
string(6)  "google"  refcount(1)

PHP Available Functions