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Current File : /proc/self/root/home/b8009/php-5.6.22/ext/standard/tests/general_functions/var_export_basic7.phpt
--TEST--
Test var_export() function with valid null values
--FILE--
<?php
/* Prototype  : mixed var_export(mixed var [, bool return])
 * Description: Outputs or returns a string representation of a variable 
 * Source code: ext/standard/var.c
 * Alias to functions: 
 */

echo "*** Testing var_export() with valid null values ***\n";

// different valid  null vlaues 
$unset_var = array();
unset ($unset_var); // now a null
$null_var = NULL;

$valid_nulls = array(
                "NULL" =>  NULL,
                "null" => null,
                "null_var" => $null_var,
);

/* Loop to check for above null values with var_export() */
echo "\n*** Output for null values ***\n";
foreach($valid_nulls as $key => $null_value) {
	echo "\n-- Iteration: $key --\n";
	var_export( $null_value );
	echo "\n";
	var_export( $null_value, FALSE);
	echo "\n";
	var_dump( var_export( $null_value, true) );
	echo "\n";
}
?>
===DONE===
--EXPECT--
*** Testing var_export() with valid null values ***

*** Output for null values ***

-- Iteration: NULL --
NULL
NULL
string(4) "NULL"


-- Iteration: null --
NULL
NULL
string(4) "NULL"


-- Iteration: null_var --
NULL
NULL
string(4) "NULL"

===DONE===

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