--TEST-- Test strtolower() function --SKIPIF-- --FILE-- ".(bin2hex(strtolower("$char")))."\n"; } echo "*** Testing strlower() with basic strings ***\n"; $str = "Mary Had A liTTle LAmb and ShE loveD IT So\n"; var_dump(strtolower($str)); echo "\n*** Testing strtolower() with various strings ***"; /* strings to pass strtolower() */ $strings = array ( "", "string", "stRINg0234", "1.233.344StrinG12333", "$$$$$$!!!!@@@@@@@ ABCDEF !!!***", "ABCD\0abcdABCD", NULL, TRUE, FALSE, array() ); $count = 0; /* loop through to check possible variations */ foreach ($strings as $string) { echo "\n-- Iteration $count --\n"; var_dump( strtolower($string) ); $count++; } echo "\n*** Testing strtolower() with two different case strings ***\n"; if (strtolower("HeLLo woRLd") === strtolower("hEllo WORLD")) echo "strings are same, with Case Insensitive\n"; else echo "strings are not same\n"; echo "\n*** Testing error conditions ***"; var_dump( strtolower() ); /* Zero arguments */ var_dump( strtolower("a", "b") ); /* Arguments > Expected */ echo "*** Done ***"; ?> --EXPECTF-- *** Testing strtolower() with all 256 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 => 61 42 => 62 43 => 63 44 => 64 45 => 65 46 => 66 47 => 67 48 => 68 49 => 69 4a => 6a 4b => 6b 4c => 6c 4d => 6d 4e => 6e 4f => 6f 50 => 70 51 => 71 52 => 72 53 => 73 54 => 74 55 => 75 56 => 76 57 => 77 58 => 78 59 => 79 5a => 7a 5b => 5b 5c => 5c 5d => 5d 5e => 5e 5f => 5f 60 => 60 61 => 61 62 => 62 63 => 63 64 => 64 65 => 65 66 => 66 67 => 67 68 => 68 69 => 69 6a => 6a 6b => 6b 6c => 6c 6d => 6d 6e => 6e 6f => 6f 70 => 70 71 => 71 72 => 72 73 => 73 74 => 74 75 => 75 76 => 76 77 => 77 78 => 78 79 => 79 7a => 7a 7b => 7b 7c => 7c 7d => 7d 7e => 7e 7f => 7f 80 => 80 81 => 81 82 => 82 83 => 83 84 => 84 85 => 85 86 => 86 87 => 87 88 => 88 89 => 89 8a => 9a 8b => 8b 8c => 9c 8d => 8d 8e => 9e 8f => 8f 90 => 90 91 => 91 92 => 92 93 => 93 94 => 94 95 => 95 96 => 96 97 => 97 98 => 98 99 => 99 9a => 9a 9b => 9b 9c => 9c 9d => 9d 9e => 9e 9f => ff a0 => a0 a1 => a1 a2 => a2 a3 => a3 a4 => a4 a5 => a5 a6 => a6 a7 => a7 a8 => a8 a9 => a9 aa => aa ab => ab ac => ac ad => ad ae => ae af => af b0 => b0 b1 => b1 b2 => b2 b3 => b3 b4 => b4 b5 => b5 b6 => b6 b7 => b7 b8 => b8 b9 => b9 ba => ba bb => bb bc => bc bd => bd be => be bf => bf c0 => e0 c1 => e1 c2 => e2 c3 => e3 c4 => e4 c5 => e5 c6 => e6 c7 => e7 c8 => e8 c9 => e9 ca => ea cb => eb cc => ec cd => ed ce => ee cf => ef d0 => f0 d1 => f1 d2 => f2 d3 => f3 d4 => f4 d5 => f5 d6 => f6 d7 => d7 d8 => f8 d9 => f9 da => fa db => fb dc => fc dd => fd de => fe df => df e0 => e0 e1 => e1 e2 => e2 e3 => e3 e4 => e4 e5 => e5 e6 => e6 e7 => e7 e8 => e8 e9 => e9 ea => ea eb => eb ec => ec ed => ed ee => ee ef => ef f0 => f0 f1 => f1 f2 => f2 f3 => f3 f4 => f4 f5 => f5 f6 => f6 f7 => f7 f8 => f8 f9 => f9 fa => fa fb => fb fc => fc fd => fd fe => fe ff => ff *** Testing strlower() with basic strings *** string(43) "mary had a little lamb and she loved it so " *** Testing strtolower() 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) "" -- Iteration 9 -- Warning: strtolower() expects parameter 1 to be string, array given in %s on line %d NULL *** Testing strtolower() with two different case strings *** strings are same, with Case Insensitive *** Testing error conditions *** Warning: strtolower() expects exactly 1 parameter, 0 given in %s on line %d NULL Warning: strtolower() expects exactly 1 parameter, 2 given in %s on line %d NULL *** Done ***