1--TEST-- 2Test strip_tags() function : usage variations - heredoc strings 3--FILE-- 4<?php 5/* Prototype : string strip_tags(string $str [, string $allowable_tags]) 6 * Description: Strips HTML and PHP tags from a string 7 * Source code: ext/standard/string.c 8*/ 9 10 11/* 12 * testing functionality of strip_tags() by giving heredoc strings as values for $str argument 13*/ 14 15echo "*** Testing strip_tags() : usage variations ***\n"; 16 17// null here doc string 18$null_string = <<<EOT 19EOT; 20 21// heredoc string with blank line 22$blank_line = <<<EOT 23 24EOT; 25 26// here doc with multiline string 27$multiline_string = <<<EOT 28<html>hello world</html> 29<p>13 < 25</p> 30<?php 1111 & 0000 = 0000 ?> 31<b>This is a double quoted string</b> 32EOT; 33 34// here doc with different whitespaces 35$diff_whitespaces = <<<EOT 36<html>hello\r world\t 371111\t\t != 2222\v\v</html> 38<? heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces ?> 39EOT; 40 41// here doc with numeric values 42$numeric_string = <<<EOT 43<html>11 < 12. 123 >22</html> 44<p>string</p> 1111\t <b>0000\t = 0000\n</b> 45EOT; 46 47// heredoc with quote chars & slash 48$quote_char_string = <<<EOT 49<html>This's a string with quotes:</html> 50"strings in double quote"; 51'strings in single quote'; 52<html>this\line is single quoted /with\slashes </html> 53EOT; 54 55$res_heredoc_strings = array( 56 //heredoc strings 57 $null_string, 58 $blank_line, 59 $multiline_string, 60 $diff_whitespaces, 61 $numeric_string, 62 $quote_char_string 63); 64 65// initialize the second argument 66$quotes = "<html><a><?php"; 67 68// loop through $res_heredoc_strings element and check the working on strip_tags() 69$count = 1; 70for($index =0; $index < count($res_heredoc_strings); $index ++) { 71 echo "-- Iteration $count --\n"; 72 var_dump( strip_tags($res_heredoc_strings[$index], $quotes) ); 73 $count++; 74} 75 76echo "Done\n"; 77?> 78--EXPECT-- 79*** Testing strip_tags() : usage variations *** 80-- Iteration 1 -- 81string(0) "" 82-- Iteration 2 -- 83string(0) "" 84-- Iteration 3 -- 85string(67) "<html>hello world</html> 8613 < 25 87 88This is a double quoted string" 89-- Iteration 4 -- 90string(44) "<html>hello 90 world 911111 != 2222</html> 92" 93-- Iteration 5 -- 94string(56) "<html>11 < 12. 123 >22</html> 95string 1111 0000 = 0000 96" 97-- Iteration 6 -- 98string(150) "<html>This's a string with quotes:</html> 99"strings in double quote"; 100'strings in single quote'; 101<html>this\line is single quoted /with\slashes </html>" 102Done 103