1--TEST-- 2Test iconv_strpos() function : usage variations - Pass different integers as $offset argument 3--SKIPIF-- 4<?php 5extension_loaded('iconv') or die('skip'); 6function_exists('iconv_strpos') or die("skip iconv_strpos() is not available in this build"); 7?> 8--INI-- 9error_reporting=E_ALL & ~E_DEPRECATED 10--FILE-- 11<?php 12/* Prototype : int iconv_strpos(string haystack, string needle [, int offset [, string charset]]) 13 * Description: Find position of first occurrence of a string within another 14 * Source code: ext/iconv/iconv.c 15 */ 16 17/* 18 * Test how iconv_strpos() behaves when passed different integers as $offset argument 19 * The character length of $string_ascii and $string_mb is the same, 20 * and the needle appears at the same positions in both strings 21 */ 22 23iconv_set_encoding("internal_encoding", "UTF-8"); 24 25echo "*** Testing iconv_strpos() : usage variations ***\n"; 26 27$string_ascii = b'+Is an English string'; //21 chars 28$needle_ascii = b'g'; 29 30$string_mb = base64_decode(b'5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); //21 chars 31$needle_mb = base64_decode(b'44CC'); 32 33/* 34 * Loop through integers as multiples of ten for $offset argument 35 * iconv_strpos should not be able to accept negative values as $offset. 36 * 60 is larger than *BYTE* count for $string_mb 37 */ 38for ($i = -10; $i <= 60; $i += 10) { 39 echo "\n**-- Offset is: $i --**\n"; 40 echo "-- ASCII String --\n"; 41 var_dump(iconv_strpos($string_ascii, $needle_ascii, $i)); 42 echo "--Multibyte String --\n"; 43 var_dump(iconv_strpos($string_mb, $needle_mb, $i, 'UTF-8')); 44} 45 46echo "Done"; 47?> 48 49--EXPECTF-- 50*** Testing iconv_strpos() : usage variations *** 51 52**-- Offset is: -10 --** 53-- ASCII String -- 54 55Warning: iconv_strpos(): Offset not contained in string. in %s on line %d 56bool(false) 57--Multibyte String -- 58 59Warning: iconv_strpos(): Offset not contained in string. in %s on line %d 60bool(false) 61 62**-- Offset is: 0 --** 63-- ASCII String -- 64int(9) 65--Multibyte String -- 66int(9) 67 68**-- Offset is: 10 --** 69-- ASCII String -- 70int(20) 71--Multibyte String -- 72int(20) 73 74**-- Offset is: 20 --** 75-- ASCII String -- 76int(20) 77--Multibyte String -- 78int(20) 79 80**-- Offset is: 30 --** 81-- ASCII String -- 82bool(false) 83--Multibyte String -- 84bool(false) 85 86**-- Offset is: 40 --** 87-- ASCII String -- 88bool(false) 89--Multibyte String -- 90bool(false) 91 92**-- Offset is: 50 --** 93-- ASCII String -- 94bool(false) 95--Multibyte String -- 96bool(false) 97 98**-- Offset is: 60 --** 99-- ASCII String -- 100bool(false) 101--Multibyte String -- 102bool(false) 103Done