PHP debug_zval_dump() Function - Coding

The debug_zval_dump() is an inbuilt function in PHP where the string representation of an internal zval structure will be dumped to the output.

Syntax:

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

Parameters: This function has two parameters:

Return Value: This function does not return anything.

Example 1: The following code demonstrates the debug_zval_dump() function.

PHP

<?php 
  
// Define a variable 
$var = "Hello World"; 
debug_zval_dump($var); 
?>

Output:

string(11) "Hello World" refcount(2)

Example 2: The following code also demonstrates the debug_zval_dump() function by using 3 variables as references to the same string value.

<?php 
  
// Define an array 
$arr = array('a', 'b', 'c'); 
  
// Dump the array 
debug_zval_dump($arr); 
?>

Output:

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

Reference: https://www.php.net/manual/en/function.debug-zval-dump.php

Reffered: https://www.geeksforgeeks.org

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