PAL.C.T MINI SHELL
--TEST--
Test chop() function : usage variations - strings with embedded nulls
--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 nulls embedded in input string
*/
echo "*** Testing chop() : string with embedded nulls ***\n";
// defining varous strings with embedded nulls
$strings_with_nulls = array(
"hello\0world",
"\0hello",
"hello\0",
"\0\0hello\tworld\0\0",
"\\0hello\\0",
'hello\0\0',
chr(0),
chr(0).chr(0),
chr(0).'hello'.chr(0),
'hello'.chr(0).'world'
);
$count = 1;
foreach($strings_with_nulls as $string) {
echo "\n--- Iteration $count ---\n";
var_dump( chop($string) );
var_dump( chop($string, "\0") );
var_dump( chop($string, '\0') );
$count++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing chop() : string with embedded nulls ***
--- Iteration 1 ---
string(11) "hello world"
string(11) "hello world"
string(11) "hello world"
--- Iteration 2 ---
string(6) " hello"
string(6) " hello"
string(6) " hello"
--- Iteration 3 ---
string(5) "hello"
string(5) "hello"
string(6) "hello "
--- Iteration 4 ---
string(13) " hello world"
string(13) " hello world"
string(15) " hello world "
--- Iteration 5 ---
string(9) "\0hello\0"
string(9) "\0hello\0"
string(7) "\0hello"
--- Iteration 6 ---
string(9) "hello\0\0"
string(9) "hello\0\0"
string(5) "hello"
--- Iteration 7 ---
string(0) ""
string(0) ""
string(1) " "
--- Iteration 8 ---
string(0) ""
string(0) ""
string(2) " "
--- Iteration 9 ---
string(6) " hello"
string(6) " hello"
string(7) " hello "
--- Iteration 10 ---
string(11) "hello world"
string(11) "hello world"
string(11) "hello world"
Done
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