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Current File : /proc/self/root/home/b8009/php-5.6.22/ext/standard/tests/strings/chop_variation4.phpt
--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) "helloworld"
string(11) "helloworld"
string(11) "helloworld"

--- 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) "helloworld"
string(11) "helloworld"
string(11) "helloworld"
Done

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