PAL.C.T MINI SHELL
--TEST--
Test chr() and ord() functions
--FILE--
<?php
/* Prototype: string chr ( int $ascii );
Description: Returns a one-character string containing the character specified by ascii.
Prototype: int ord ( string $string );
Description: Returns the ASCII value of the first character of string
*/
echo "*** Testing ord() & chr() basic operations ***\n";
for($i=0; $i<256; $i++) echo !ord(chr($i)) == $i;
/* miscelleous input */
echo "\n*** Testing chr() usage variations ***\n";
$arr_test = array(
"true",
"false",
true,
false,
"",
" ",
"a",
299,
321,
NULL,
'\0',
"0",
-312,
12.999,
-1.05009,
1100011,
"aaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccdddddddddddddddddddddddddddddddddddddddddd",
"abcd\nabcd\tabcd\0abcd\rabcdNULLabcdefgh",
"abcd\x00abcd\x00abcd\x00abcdefghij",
);
$counter=1;
foreach($arr_test as $var){
echo "-- Iteration $counter --\n";
var_dump( chr($var) );
$counter++;
}
echo "\n*** Testing ord() usage variations ***\n";
$counter=1;
foreach($arr_test as $var){
echo "-- Iteration $counter --\n";
var_dump( ord($var) );
$counter++;
}
/* Error conditions */
echo "\n*** Testing chr() error conditions ***\n";
//zero arguments
var_dump( chr() );
// more than expected no. of args
var_dump( chr($arr_test[0], $arr_test[1]) );
echo "\n*** Testing ord() error conditions ***\n";
// zero arguments
var_dump( ord() );
// more than expected no. of args
var_dump( ord($arr_test[0], $arr_test[1]) );
echo "Done\n";
?>
--EXPECTF--
*** Testing ord() & chr() basic operations ***
*** Testing chr() usage variations ***
-- Iteration 1 --
string(1) " "
-- Iteration 2 --
string(1) " "
-- Iteration 3 --
string(1) ""
-- Iteration 4 --
string(1) " "
-- Iteration 5 --
string(1) " "
-- Iteration 6 --
string(1) " "
-- Iteration 7 --
string(1) " "
-- Iteration 8 --
string(1) "+"
-- Iteration 9 --
string(1) "A"
-- Iteration 10 --
string(1) " "
-- Iteration 11 --
string(1) " "
-- Iteration 12 --
string(1) " "
-- Iteration 13 --
string(1) ""
-- Iteration 14 --
string(1) " "
-- Iteration 15 --
string(1) ""
-- Iteration 16 --
string(1) ""
-- Iteration 17 --
string(1) " "
-- Iteration 18 --
string(1) " "
-- Iteration 19 --
string(1) " "
*** Testing ord() usage variations ***
-- Iteration 1 --
int(116)
-- Iteration 2 --
int(102)
-- Iteration 3 --
int(49)
-- Iteration 4 --
int(0)
-- Iteration 5 --
int(0)
-- Iteration 6 --
int(32)
-- Iteration 7 --
int(97)
-- Iteration 8 --
int(50)
-- Iteration 9 --
int(51)
-- Iteration 10 --
int(0)
-- Iteration 11 --
int(92)
-- Iteration 12 --
int(48)
-- Iteration 13 --
int(45)
-- Iteration 14 --
int(49)
-- Iteration 15 --
int(45)
-- Iteration 16 --
int(49)
-- Iteration 17 --
int(97)
-- Iteration 18 --
int(97)
-- Iteration 19 --
int(97)
*** Testing chr() error conditions ***
Warning: Wrong parameter count for chr() in %s on line %d
NULL
Warning: Wrong parameter count for chr() in %s on line %d
NULL
*** Testing ord() error conditions ***
Warning: ord() expects exactly 1 parameter, 0 given in %s on line %d
NULL
Warning: ord() expects exactly 1 parameter, 2 given in %s on line %d
NULL
Done
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