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|
--TEST--
Test chop() function : usage variations - unexpected values for str argument
--FILE--
<?php
/* Prototype : string chop ( string $str [, string $charlist] )
* Description: Strip whitespace (or other characters) from the end of a string
* Source code: ext/standard/string.c
*/
/*
* Testing chop() : with different unexpected values for $str argument passed to the function
*/
echo "*** Testing chop() : with unexpected values for str argument ***\n";
// initialize all required variables
$charlist = " @#$%1234567890";
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
// declaring class
class sample {
public function __toString() {
return " @#$%Object @#$%";
}
}
$sample_obj = new sample;
// creating a file resource
$file_handle = fopen(__FILE__, 'r');
// array with different values
$values = array (
// integer values
0,
1,
12345,
-2345,
// float values
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// empty string
"",
'',
// null vlaues
NULL,
null,
// undefined variable
$undefined_var,
// unset variable
$unset_var,
// object
$sample_obj,
// resource
$file_handle
);
// loop through each element of the array and check the working of chop()
// when $str argument is supplied with different values
echo "\n--- Testing chop() by supplying different values for 'str' argument ---\n";
$counter = 1;
for($index = 0; $index < count($values); $index ++) {
echo "-- Iteration $counter --\n";
$str = $values [$index];
var_dump( chop($str) );
var_dump( chop($str, $charlist) );
$counter ++;
}
// closing the resource
fclose( $file_handle);
echo "Done\n";
?>
--EXPECTF--
*** Testing chop() : with unexpected values for str argument ***
Notice: Undefined variable: undefined_var in %s on line %d
Notice: Undefined variable: unset_var in %s on line %d
--- Testing chop() by supplying different values for 'str' argument ---
-- Iteration 1 --
string(1) "0"
string(0) ""
-- Iteration 2 --
string(1) "1"
string(0) ""
-- Iteration 3 --
string(5) "12345"
string(0) ""
-- Iteration 4 --
string(5) "-2345"
string(1) "-"
-- Iteration 5 --
string(4) "10.5"
string(3) "10."
-- Iteration 6 --
string(5) "-10.5"
string(4) "-10."
-- Iteration 7 --
string(12) "101234567000"
string(0) ""
-- Iteration 8 --
string(13) "1.07654321E-9"
string(12) "1.07654321E-"
-- Iteration 9 --
string(3) "0.5"
string(2) "0."
-- Iteration 10 --
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 12 --
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 13 --
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 14 --
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 15 --
string(1) "1"
string(0) ""
-- Iteration 16 --
string(0) ""
string(0) ""
-- Iteration 17 --
string(1) "1"
string(0) ""
-- Iteration 18 --
string(0) ""
string(0) ""
-- Iteration 19 --
string(0) ""
string(0) ""
-- Iteration 20 --
string(0) ""
string(0) ""
-- Iteration 21 --
string(0) ""
string(0) ""
-- Iteration 22 --
string(0) ""
string(0) ""
-- Iteration 23 --
string(0) ""
string(0) ""
-- Iteration 24 --
string(0) ""
string(0) ""
-- Iteration 25 --
string(16) " @#$%Object @#$%"
string(11) " @#$%Object"
-- Iteration 26 --
Warning: chop() expects parameter 1 to be string, resource given in %s on line %d
NULL
Warning: chop() expects parameter 1 to be string, resource given in %s on line %d
NULL
Done
|
