1--TEST-- 2Test strip_tags() function : usage variations - heredoc strings 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/* 14 * testing functionality of strip_tags() by giving heredoc strings as values for $str argument 15*/ 16 17echo "*** Testing strip_tags() : usage variations ***\n"; 18 19// null here doc string 20$null_string = <<<EOT 21EOT; 22 23// heredoc string with blank line 24$blank_line = <<<EOT 25 26EOT; 27 28// here doc with multiline string 29$multiline_string = <<<EOT 30<html>hello world</html> 31<p>13 < 25</p> 32<?php 1111 & 0000 = 0000 ?> 33<b>This is a double quoted string</b> 34EOT; 35 36// here doc with diferent whitespaces 37$diff_whitespaces = <<<EOT 38<html>hello\r world\t 391111\t\t != 2222\v\v</html> 40<? heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces ?> 41EOT; 42 43// here doc with numeric values 44$numeric_string = <<<EOT 45<html>11 < 12. 123 >22</html> 46<p>string</p> 1111\t <b>0000\t = 0000\n</b> 47EOT; 48 49// heredoc with quote chars & slash 50$quote_char_string = <<<EOT 51<html>This's a string with quotes:</html> 52"strings in double quote"; 53'strings in single quote'; 54<html>this\line is single quoted /with\slashes </html> 55EOT; 56 57$res_heredoc_strings = array( 58 //heredoc strings 59 $null_string, 60 $blank_line, 61 $multiline_string, 62 $diff_whitespaces, 63 $numeric_string, 64 $quote_char_string 65); 66 67// initialize the second argument 68$quotes = "<html><a><?php"; 69 70// loop through $res_heredoc_strings element and check the working on strip_tags() 71$count = 1; 72for($index =0; $index < count($res_heredoc_strings); $index ++) { 73 echo "-- Iteration $count --\n"; 74 var_dump( strip_tags($res_heredoc_strings[$index], $quotes) ); 75 $count++; 76} 77 78echo "Done\n"; 79?> 80--EXPECTF-- 81*** Testing strip_tags() : usage variations *** 82-- Iteration 1 -- 83string(0) "" 84-- Iteration 2 -- 85string(0) "" 86-- Iteration 3 -- 87string(67) "<html>hello world</html> 8813 < 25 89 90This is a double quoted string" 91-- Iteration 4 -- 92string(44) "<html>hello 92 world 931111 != 2222</html> 94" 95-- Iteration 5 -- 96string(56) "<html>11 < 12. 123 >22</html> 97string 1111 0000 = 0000 98" 99-- Iteration 6 -- 100string(150) "<html>This's a string with quotes:</html> 101"strings in double quote"; 102'strings in single quote'; 103<html>this\line is single quoted /with\slashes </html>" 104Done