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--TEST--
Test sizeof() function : usage variations - all kinds of unset variables for 'var' argument
--FILE--
<?php
/* Prototype : int sizeof($mixed var[, int $mode])
* Description: Counts an elements in an array. If Standard PHP library is installed,
* it will return the properties of an object.
* Source code: ext/standard/basic_functions.c
* Alias to functions: count()
*/
echo "*** Testing sizeof() : usage variations ***\n";
echo "--- Testing sizeof() for all kinds of unset variables in default, Normal and Recursive Modes ---\n";
// class declaration
class test
{
public $member1;
}
// get an resource variable
$fp = fopen(__FILE__, "r");
// array containing different types of variables
$values = array (
// int values
/* 1 */ 0,
1,
// float values
/* 3 */ 10.5,
-10.5,
12.34e3,
/* 6 */ 12.34E-3,
// string values
/* 7 */ "string",
'string',
"",
/* 10 */ '',
// NULL values
/* 11 */ NULL,
null,
// Boolean Values
/* 12 */ TRUE,
true,
false,
/* 16 */ FALSE,
// array values
/* 17 */ array(),
array(1, 2, 3,4 , array(5, 6)),
// object variable
/* 19 */ new test(),
// resource variable
/* 20 */ $fp
);
// loop through the each element of the $values array for 'var' argument
// and check the functionality of sizeof()
$counter = 1;
foreach($values as $value)
{
echo "-- Iteration $counter --\n";
// unset the variable
unset($value);
// now check the size of unset variable when different modes are given
echo "Default Mode: ";
var_dump( sizeof($value) );
echo "\n";
echo "COUNT_NORMAL Mode: ";
var_dump( sizeof($value, COUNT_NORMAL) );
echo "\n";
echo "COUNT_RECURSIVE Mode: ";
var_dump( sizeof($value, COUNT_RECURSIVE) );
echo "\n";
$counter++;
}
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing sizeof() : usage variations ***
--- Testing sizeof() for all kinds of unset variables in default, Normal and Recursive Modes ---
-- Iteration 1 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 2 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 3 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 4 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 5 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 6 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 7 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 8 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 9 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 10 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 11 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 12 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 13 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 14 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 15 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 16 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 17 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 18 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 19 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
-- Iteration 20 --
Default Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_NORMAL Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
COUNT_RECURSIVE Mode:
Notice: Undefined variable: value in %s on line %d
int(0)
Done