--TEST-- Test strtoupper() function --SKIPIF-- --FILE-- ".(bin2hex(strtoupper("$char")))."\n"; } echo "\n*** Testing strtoupper() with basic strings ***\n"; $str = "Mary Had A liTTle LAmb and ShE loveD IT So\n"; var_dump(strtoupper($str)); echo "\n*** Testing strtoupper() with various strings ***"; /* strings to pass strtoupper() */ $strings = array ( "", "string", "stRINg0234", "1.233.344StrinG12333", "$$$$$$!!!!@@@@@@@ ABCDEF !!!***", "ABCD\0abcdABCD", NULL, TRUE, FALSE, ); $count = 0; /* loop through to check possible variations */ foreach ($strings as $string) { echo "\n-- Iteration $count --\n"; var_dump( strtoupper($string) ); $count++; } echo "\n*** Testing strtoupper() with two different case strings ***\n"; if (strtoupper("HeLLo woRLd") === strtoupper("hEllo WORLD")) echo "strings are same, with Case Insensitive\n"; else echo "strings are not same\n"; echo "*** Done ***"; ?> --EXPECT-- *** Testing strtoupper() with 128 chars *** 00 => 00 01 => 01 02 => 02 03 => 03 04 => 04 05 => 05 06 => 06 07 => 07 08 => 08 09 => 09 0a => 0a 0b => 0b 0c => 0c 0d => 0d 0e => 0e 0f => 0f 10 => 10 11 => 11 12 => 12 13 => 13 14 => 14 15 => 15 16 => 16 17 => 17 18 => 18 19 => 19 1a => 1a 1b => 1b 1c => 1c 1d => 1d 1e => 1e 1f => 1f 20 => 20 21 => 21 22 => 22 23 => 23 24 => 24 25 => 25 26 => 26 27 => 27 28 => 28 29 => 29 2a => 2a 2b => 2b 2c => 2c 2d => 2d 2e => 2e 2f => 2f 30 => 30 31 => 31 32 => 32 33 => 33 34 => 34 35 => 35 36 => 36 37 => 37 38 => 38 39 => 39 3a => 3a 3b => 3b 3c => 3c 3d => 3d 3e => 3e 3f => 3f 40 => 40 41 => 41 42 => 42 43 => 43 44 => 44 45 => 45 46 => 46 47 => 47 48 => 48 49 => 49 4a => 4a 4b => 4b 4c => 4c 4d => 4d 4e => 4e 4f => 4f 50 => 50 51 => 51 52 => 52 53 => 53 54 => 54 55 => 55 56 => 56 57 => 57 58 => 58 59 => 59 5a => 5a 5b => 5b 5c => 5c 5d => 5d 5e => 5e 5f => 5f 60 => 60 61 => 41 62 => 42 63 => 43 64 => 44 65 => 45 66 => 46 67 => 47 68 => 48 69 => 49 6a => 4a 6b => 4b 6c => 4c 6d => 4d 6e => 4e 6f => 4f 70 => 50 71 => 51 72 => 52 73 => 53 74 => 54 75 => 55 76 => 56 77 => 57 78 => 58 79 => 59 7a => 5a 7b => 7b 7c => 7c 7d => 7d 7e => 7e 7f => 7f *** Testing strtoupper() with basic strings *** string(43) "MARY HAD A LITTLE LAMB AND SHE LOVED IT SO " *** Testing strtoupper() with various strings *** -- Iteration 0 -- string(0) "" -- Iteration 1 -- string(6) "STRING" -- Iteration 2 -- string(10) "STRING0234" -- Iteration 3 -- string(20) "1.233.344STRING12333" -- Iteration 4 -- string(31) "$$$$$$!!!!@@@@@@@ ABCDEF !!!***" -- Iteration 5 -- string(13) "ABCDABCDABCD" -- Iteration 6 -- string(0) "" -- Iteration 7 -- string(1) "1" -- Iteration 8 -- string(0) "" *** Testing strtoupper() with two different case strings *** strings are same, with Case Insensitive *** Done ***