1--TEST-- 2Test mb_strstr() function : basic functionality 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strstr') or die("skip mb_strstr() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : string mb_strstr(string haystack, string needle[, bool part[, string encoding]]) 11 * Description: Finds first occurrence of a string within another 12 * Source code: ext/mbstring/mbstring.c 13 * Alias to functions: 14 */ 15 16echo "*** Testing mb_strstr() : basic functionality ***\n"; 17 18mb_internal_encoding('UTF-8'); 19 20$string_ascii = b'abc def'; 21//Japanese string in UTF-8 22$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); 23 24echo "\n-- ASCII string: needle exists --\n"; 25var_dump(bin2hex(mb_strstr($string_ascii, b'd', false, 'ISO-8859-1'))); 26var_dump(bin2hex(mb_strstr($string_ascii, b'd'))); 27var_dump(bin2hex(mb_strstr($string_ascii, b'd', true))); 28 29 30echo "\n-- ASCII string: needle doesn't exist --\n"; 31var_dump(mb_strstr($string_ascii, b'123')); 32 33echo "\n-- Multibyte string: needle exists --\n"; 34$needle1 = base64_decode('5pel5pys6Kqe'); 35var_dump(bin2hex(mb_strstr($string_mb, $needle1))); 36var_dump(bin2hex(mb_strstr($string_mb, $needle1, false, 'utf-8'))); 37var_dump(bin2hex(mb_strstr($string_mb, $needle1, true))); 38 39 40echo "\n-- Multibyte string: needle doesn't exist --\n"; 41$needle2 = base64_decode('44GT44KT44Gr44Gh44Gv44CB5LiW55WM'); 42var_dump(mb_strstr($string_mb, $needle2)); 43 44?> 45===DONE=== 46--EXPECT-- 47*** Testing mb_strstr() : basic functionality *** 48 49-- ASCII string: needle exists -- 50string(6) "646566" 51string(6) "646566" 52string(8) "61626320" 53 54-- ASCII string: needle doesn't exist -- 55bool(false) 56 57-- Multibyte string: needle exists -- 58string(106) "e697a5e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082" 59string(106) "e697a5e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082" 60string(0) "" 61 62-- Multibyte string: needle doesn't exist -- 63bool(false) 64===DONE===