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 10echo "*** Testing mb_strstr() : basic functionality ***\n"; 11 12mb_internal_encoding('UTF-8'); 13 14$string_ascii = 'abc def'; 15//Japanese string in UTF-8 16$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); 17 18echo "\n-- ASCII string: needle exists --\n"; 19var_dump(bin2hex(mb_strstr($string_ascii, 'd', false, 'ISO-8859-1'))); 20var_dump(bin2hex(mb_strstr($string_ascii, 'd'))); 21var_dump(bin2hex(mb_strstr($string_ascii, 'd', true))); 22 23 24echo "\n-- ASCII string: needle doesn't exist --\n"; 25var_dump(mb_strstr($string_ascii, '123')); 26 27echo "\n-- Multibyte string: needle exists --\n"; 28$needle1 = base64_decode('5pel5pys6Kqe'); 29var_dump(bin2hex(mb_strstr($string_mb, $needle1))); 30var_dump(bin2hex(mb_strstr($string_mb, $needle1, false, 'utf-8'))); 31var_dump(bin2hex(mb_strstr($string_mb, $needle1, true))); 32 33 34echo "\n-- Multibyte string: needle doesn't exist --\n"; 35$needle2 = base64_decode('44GT44KT44Gr44Gh44Gv44CB5LiW55WM'); 36var_dump(mb_strstr($string_mb, $needle2)); 37 38?> 39--EXPECT-- 40*** Testing mb_strstr() : basic functionality *** 41 42-- ASCII string: needle exists -- 43string(6) "646566" 44string(6) "646566" 45string(8) "61626320" 46 47-- ASCII string: needle doesn't exist -- 48bool(false) 49 50-- Multibyte string: needle exists -- 51string(106) "e697a5e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082" 52string(106) "e697a5e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082" 53string(0) "" 54 55-- Multibyte string: needle doesn't exist -- 56bool(false) 57