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--TEST--
Test pow() function : usage variations - different data types as $base argument
--INI--
precision = 14
--SKIPIF--
<?php
if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
?>
--FILE--
<?php
/* Prototype : number pow ( number $base , number $exp )
* Description: Exponential expression.
* Source code: ext/standard/math.c
*/
echo "*** Testing pow() : usage variations ***\n";
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// heredoc string
$heredoc = <<<EOT
abc
xyz
EOT;
// get a class
class classA
{
}
// get a resource variable
$fp = fopen(__FILE__, "r");
$inputs = array(
// int data
/*1*/ 0,
1,
12345,
-2345,
PHP_INT_MAX,
// float data
/*6*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.5,
// null data
/*11*/ NULL,
null,
// boolean data
/*13*/ true,
false,
TRUE,
FALSE,
// empty data
/*17*/ "",
'',
array(),
// string data
/*20*/ "abcxyz",
'abcxyz',
$heredoc,
// object data
/*23*/ new classA(),
// undefined data
/*24*/ @$undefined_var,
// unset data
/*25*/ @$unset_var,
// resource variable
/*26*/ $fp
);
// loop through each element of $inputs to check the behaviour of pow()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump(pow($input, 3));
$iterator++;
};
fclose($fp);
?>
===Done===
--EXPECTF--
*** Testing pow() : usage variations ***
-- Iteration 1 --
int(0)
-- Iteration 2 --
int(1)
-- Iteration 3 --
int(1881365963625)
-- Iteration 4 --
int(-12895213625)
-- Iteration 5 --
float(7.8463771692334E+56)
-- Iteration 6 --
float(1157.625)
-- Iteration 7 --
float(-1157.625)
-- Iteration 8 --
float(1.8816763717892E+33)
-- Iteration 9 --
float(1.8816763717892E-27)
-- Iteration 10 --
float(0.125)
-- Iteration 11 --
int(0)
-- Iteration 12 --
int(0)
-- Iteration 13 --
int(1)
-- Iteration 14 --
int(0)
-- Iteration 15 --
int(1)
-- Iteration 16 --
int(0)
-- Iteration 17 --
int(0)
-- Iteration 18 --
int(0)
-- Iteration 19 --
int(0)
-- Iteration 20 --
int(0)
-- Iteration 21 --
int(0)
-- Iteration 22 --
int(0)
-- Iteration 23 --
Notice: Object of class classA could not be converted to int in %s on line %d
int(1)
-- Iteration 24 --
int(0)
-- Iteration 25 --
int(0)
-- Iteration 26 --
%s
===Done===