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|
--TEST--
Test strval() function : usage variations - Pass different data types as strval
--FILE--
<?php
/* Prototype : string strval ( mixed $var )
* Description: Get the string value of a variable.
* Source code: ext/standard/string.c
*/
echo "*** Testing strval() : usage variations ***\n";
error_reporting(E_ALL ^ E_NOTICE);
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//getting the resource
$file_handle = fopen(__FILE__, "r");
class MyClass
{
function __toString() {
return "MyClass";
}
}
//array of values to iterate over
$values = array(
//Decimal values
/*1*/ 0,
1,
12345,
-12345,
//Octal values
/*5*/ 02,
010,
030071,
-030071,
//Hexadecimal values
/*9*/ 0x0,
0x1,
0xABCD,
-0xABCD,
// float data
/*13*/ 100.5,
-100.5,
100.1234567e10,
100.7654321E-10,
.5,
// array data
/*18*/ array(),
array('color' => 'red', 'item' => 'pen'),
// null data
/*20*/ NULL,
null,
// boolean data
/*22*/ true,
false,
TRUE,
FALSE,
// empty data
/*26*/ "",
'',
// object data
/*28*/ new MyClass(),
// resource
/*29*/ $file_handle,
// undefined data
/*30*/ @$undefined_var,
// unset data
/*31*/ @$unset_var,
);
// loop through each element of the array for strval
$iterator = 1;
foreach($values as $value) {
echo "\n-- Iteration $iterator --\n";
var_dump( strval($value) );
$iterator++;
};
?>
===DONE===
--EXPECTF--
*** Testing strval() : usage variations ***
-- Iteration 1 --
string(1) "0"
-- Iteration 2 --
string(1) "1"
-- Iteration 3 --
string(5) "12345"
-- Iteration 4 --
string(6) "-12345"
-- Iteration 5 --
string(1) "2"
-- Iteration 6 --
string(1) "8"
-- Iteration 7 --
string(5) "12345"
-- Iteration 8 --
string(6) "-12345"
-- Iteration 9 --
string(1) "0"
-- Iteration 10 --
string(1) "1"
-- Iteration 11 --
string(5) "43981"
-- Iteration 12 --
string(6) "-43981"
-- Iteration 13 --
string(5) "100.5"
-- Iteration 14 --
string(6) "-100.5"
-- Iteration 15 --
string(13) "1001234567000"
-- Iteration 16 --
string(14) "1.007654321E-8"
-- Iteration 17 --
string(3) "0.5"
-- Iteration 18 --
string(5) "Array"
-- Iteration 19 --
string(5) "Array"
-- Iteration 20 --
string(0) ""
-- Iteration 21 --
string(0) ""
-- Iteration 22 --
string(1) "1"
-- Iteration 23 --
string(0) ""
-- Iteration 24 --
string(1) "1"
-- Iteration 25 --
string(0) ""
-- Iteration 26 --
string(0) ""
-- Iteration 27 --
string(0) ""
-- Iteration 28 --
string(7) "MyClass"
-- Iteration 29 --
string(%d) "Resource id #%d"
-- Iteration 30 --
string(0) ""
-- Iteration 31 --
string(0) ""
===DONE===
|
