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--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===