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floatval_variation1.phpt
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Tue Feb 21 23:48:04 2012 UTC (12 years, 6 months ago) by
misho
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CVS tags:
v5_4_3elwix,
v5_4_29p0,
v5_4_29,
v5_4_20p0,
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php
--TEST--
Testing floatval() and its alias doubleval() functions : usage variations - different data types as $y arg
--FILE--
<?php
/* Prototype: float floatval( mixed $var );
* Description: Returns the float value of var.
*/
// get a resource type variable
$fp = fopen (__FILE__, "r");
fclose($fp);
$dfp = opendir ( dirname(__FILE__) );
closedir($dfp);
// other types in an array
$not_float_types = array (
"-2147483648" => -2147483648, // max negative integer value
"2147483647" => 2147483648, // max positive integer value
"file resoruce" => $fp,
"directory resource" => $dfp,
"\"0.0\"" => "0.0", // string
"\"1.0\"" => "1.0",
"\"-1.3e3\"" => "-1.3e3",
"\"bob-1.3e3\"" => "bob-1.3e3",
"\"10 Some dollars\"" => "10 Some dollars",
"\"10.2 Some Dollars\"" => "10.2 Some Dollars",
"\"10.0 dollar\" + 1" => "10.0 dollar" + 1,
"\"10.0 dollar\" + 1.0" => "10.0 dollar" + 1.0,
"\"\"" => "",
"true" => true,
"NULL" => NULL,
"null" => null,
);
/* loop through the $not_float_types to see working of
floatval() on non float types, expected output: float value valid floating point numbers */
echo "\n*** Testing floatval() on non floating types ***\n";
foreach ($not_float_types as $key => $type ) {
echo "\n-- Iteration : $key --\n";
var_dump( floatval($type) );
}
echo "\n*** Testing doubleval() on non floating types ***\n";
/* loop through the $not_float_types to see working of
doubleval() on non float types, expected output: float value valid floating point numbers */
foreach ($not_float_types as $key => $type ) {
echo "\n-- Iteration : $key --\n";
var_dump( doubleval($type) );
}
?>
===DONE===
--EXPECTF--
*** Testing floatval() on non floating types ***
-- Iteration : -2147483648 --
float(-2147483648)
-- Iteration : 2147483647 --
float(2147483648)
-- Iteration : file resoruce --
float(%d)
-- Iteration : directory resource --
float(%d)
-- Iteration : "0.0" --
float(0)
-- Iteration : "1.0" --
float(1)
-- Iteration : "-1.3e3" --
float(-1300)
-- Iteration : "bob-1.3e3" --
float(0)
-- Iteration : "10 Some dollars" --
float(10)
-- Iteration : "10.2 Some Dollars" --
float(10.2)
-- Iteration : "10.0 dollar" + 1 --
float(11)
-- Iteration : "10.0 dollar" + 1.0 --
float(11)
-- Iteration : "" --
float(0)
-- Iteration : true --
float(1)
-- Iteration : NULL --
float(0)
-- Iteration : null --
float(0)
*** Testing doubleval() on non floating types ***
-- Iteration : -2147483648 --
float(-2147483648)
-- Iteration : 2147483647 --
float(2147483648)
-- Iteration : file resoruce --
float(%d)
-- Iteration : directory resource --
float(%d)
-- Iteration : "0.0" --
float(0)
-- Iteration : "1.0" --
float(1)
-- Iteration : "-1.3e3" --
float(-1300)
-- Iteration : "bob-1.3e3" --
float(0)
-- Iteration : "10 Some dollars" --
float(10)
-- Iteration : "10.2 Some Dollars" --
float(10.2)
-- Iteration : "10.0 dollar" + 1 --
float(11)
-- Iteration : "10.0 dollar" + 1.0 --
float(11)
-- Iteration : "" --
float(0)
-- Iteration : true --
float(1)
-- Iteration : NULL --
float(0)
-- Iteration : null --
float(0)
===DONE===
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