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|
--TEST--
Test ord() function : usage variations - test values for $string argument
--FILE--
<?php
/* Prototype : int ord ( string $string )
* Description: Return ASCII value of character
* Source code: ext/standard/string.c
*/
echo "*** Testing ord() function: with unexpected inputs for 'string' argument ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
public function __toString() {
return "sample object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
// array with different values for $input
$inputs = array (
/*1*/ 0,
1,
255,
256,
2147483647,
-2147483648,
// float values
/*7*/ 10.5,
-20.5,
10.1234567e10,
// array values
/*10*/ array(),
array(0),
array(1, 2),
// boolean values
/*13*/ true,
false,
TRUE,
FALSE,
// null values
/*17*/ NULL,
null,
// objects
/*19*/ new sample(),
// resource
/*20*/ $file_handle,
// undefined variable
/*21*/ @$undefined_var,
// unset variable
/*22*/ @$unset_var
);
// loop through with each element of the $string array to test ord() function
$count = 1;
foreach($inputs as $input) {
echo "-- Iteration $count --\n";
var_dump( ord($input) );
$count ++;
}
fclose($file_handle); //closing the file handle
?>
===DONE===
--EXPECTF--
*** Testing ord() function: with unexpected inputs for 'string' argument ***
-- Iteration 1 --
int(48)
-- Iteration 2 --
int(49)
-- Iteration 3 --
int(50)
-- Iteration 4 --
int(50)
-- Iteration 5 --
int(50)
-- Iteration 6 --
int(45)
-- Iteration 7 --
int(49)
-- Iteration 8 --
int(45)
-- Iteration 9 --
int(49)
-- Iteration 10 --
Warning: ord() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: ord() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 12 --
Warning: ord() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 13 --
int(49)
-- Iteration 14 --
int(0)
-- Iteration 15 --
int(49)
-- Iteration 16 --
int(0)
-- Iteration 17 --
int(0)
-- Iteration 18 --
int(0)
-- Iteration 19 --
int(115)
-- Iteration 20 --
Warning: ord() expects parameter 1 to be string, resource given in %s on line %d
NULL
-- Iteration 21 --
int(0)
-- Iteration 22 --
int(0)
===DONE===
|
