--TEST--
Test atan2() function : usage variations - different data types as $x arg
--INI--
precision = 10
--FILE--
<?php
/* Prototype : float atan2 ( float $y , float $x )
* Description: Arc tangent of two variables.
* Source code: ext/standard/math.c
*/
echo "*** Testing atan2() : basic functionality ***\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,
12,
-12,
2147483647,
// float data
/*6*/ 10.5,
-10.5,
1.234567e2,
1.234567E-2,
.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 atan2()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump(atan2(23, $input));
$iterator++;
};
fclose($fp);
?>
===Done===
--EXPECTF--
*** Testing atan2() : basic functionality ***
-- Iteration 1 --
float(1.570796327)
-- Iteration 2 --
float(1.527345431)
-- Iteration 3 --
float(1.089909047)
-- Iteration 4 --
float(2.051683607)
-- Iteration 5 --
float(1.071020961E-8)
-- Iteration 6 --
float(1.142532174)
-- Iteration 7 --
float(1.99906048)
-- Iteration 8 --
float(0.1841885846)
-- Iteration 9 --
float(1.570259559)
-- Iteration 10 --
float(1.54906062)
-- Iteration 11 --
float(1.570796327)
-- Iteration 12 --
float(1.570796327)
-- Iteration 13 --
float(1.527345431)
-- Iteration 14 --
float(1.570796327)
-- Iteration 15 --
float(1.527345431)
-- Iteration 16 --
float(1.570796327)
-- Iteration 17 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: atan2() expects parameter 2 to be double, array given in %s on line %d
NULL
-- Iteration 20 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 21 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 22 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 23 --
Warning: atan2() expects parameter 2 to be double, object given in %s on line %d
NULL
-- Iteration 24 --
float(1.570796327)
-- Iteration 25 --
float(1.570796327)
-- Iteration 26 --
Warning: atan2() expects parameter 2 to be double, resource given in %s on line %d
NULL
===Done===
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