- var_dump: documentation ( source)
- extract: documentation ( source)
- debug_zval_dump: documentation ( source)
<?php
$val = 4;
$str = "John";
debug_zval_dump($val);
debug_zval_dump($str);
/* Extracting Global Variables */
var_dump(extract($GLOBALS, EXTR_REFS));
debug_zval_dump($val);
debug_zval_dump($str);
echo "\nDone";