1--TEST-- 2Test strip_tags() function : usage variations - invalid values for 'str' and valid 'allowable_tags' 3--INI-- 4short_open_tag = on 5--FILE-- 6<?php 7/* Prototype : string strip_tags(string $str [, string $allowable_tags]) 8 * Description: Strips HTML and PHP tags from a string 9 * Source code: ext/standard/string.c 10*/ 11 12/* 13 * testing functionality of strip_tags() by giving invalid values for $str and valid values for $allowable_tags argument 14*/ 15 16echo "*** Testing strip_tags() : usage variations ***\n"; 17 18// unexpected values for $string 19$strings = array ( 20 "<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>", 21 '<abc>hello</abc> \t\tworld... <ppp>strip_tags_test</ppp>', 22 "<%?php hello\t world?%>", 23 '<%?php hello\t world?%>', 24 "<<htmL>>hello<</htmL>>", 25 '<<htmL>>hello<</htmL>>', 26 "<a.>HtMl text</.a>", 27 '<a.>HtMl text</.a>', 28 "<nnn>I am not a valid html text</nnn>", 29 '<nnn>I am not a valid html text</nnn>', 30 "<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>", 31 '<nnn>I am a quoted (\") string with special chars like \$,\!,\@,\%,\&</nnn>', 32); 33 34//valid html and php tags 35$quotes = "<p><a><?php<html>"; 36 37//loop through the various elements of strings array to test strip_tags() functionality 38$iterator = 1; 39foreach($strings as $string_value) 40{ 41 echo "-- Iteration $iterator --\n"; 42 var_dump( strip_tags($string_value, $quotes) ); 43 $iterator++; 44} 45 46echo "Done"; 47?> 48--EXPECTF-- 49*** Testing strip_tags() : usage variations *** 50-- Iteration 1 -- 51string(32) "hello world... strip_tags_test" 52-- Iteration 2 -- 53string(34) "hello \t\tworld... strip_tags_test" 54-- Iteration 3 -- 55string(0) "" 56-- Iteration 4 -- 57string(0) "" 58-- Iteration 5 -- 59string(18) "<htmL>hello</htmL>" 60-- Iteration 6 -- 61string(18) "<htmL>hello</htmL>" 62-- Iteration 7 -- 63string(9) "HtMl text" 64-- Iteration 8 -- 65string(9) "HtMl text" 66-- Iteration 9 -- 67string(26) "I am not a valid html text" 68-- Iteration 10 -- 69string(26) "I am not a valid html text" 70-- Iteration 11 -- 71string(62) "I am a quoted (") string with special chars like $,\!,\@,\%,\&" 72-- Iteration 12 -- 73string(64) "I am a quoted (\") string with special chars like \$,\!,\@,\%,\&" 74Done 75