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--TEST-- Test ucwords() function : usage variations - double quoted string --FILE-- <?php /* Prototype : string ucwords ( string $str ) * Description: Uppercase the first character of each word in a string * Source code: ext/standard/string.c */ /* * test ucwords() with different string prepared using double quote */ echo "*** Testing ucwords() : usage variations ***\n"; // different strings containing regular chars and special chars $str_array = array( // multiple spaces "testing ucwords", "t e s t i n g u c w o r d s ", // brackets in sentence "testing function(ucwords)", "(testing ( function (ucwords) )a )test", "(t)", " ( t )t", // using quote chars in sentence "\"testing\",ucwords,\"test\"", "\"t\"\"t\",test, t", "\'t \'t\',test", "Jack's pen", "P't'y 't it's ", // using other white spaces "\ttesting\ttesting\tucwords", "\\ttesting\\ttesting\tucwords", "testing\rucwords testing ucwords", "testing\\rucwords testing ucwords", "testing\fucwords \f testing \nucwords", "testing\\fucwords \\f testing \nucwords", "\ntesting\nucwords\n testing \n ucwords", "\\ntesting\\nucwords\\n testing \\n ucwords", "using\vvertical\vtab", "using\\vvertical\\vtab", //using special chars in sentence "t@@#$% %test ^test &test *test +test -test", "!test ~test `test` =test= @test@test.com", "/test/r\test\ucwords\t\y\y\u\3 \yy\ /uu/", //only special chars "!@#$%^&*()_+=-`~" ); // loop through the $str_array array to test ucwords on each element $iteration = 1; for($index = 0; $index < count($str_array); $index++) { echo "-- Iteration $iteration --\n"; var_dump( ucwords($str_array[$index]) ); $iteration++; } echo "Done\n"; ?> --EXPECTF-- *** Testing ucwords() : usage variations *** -- Iteration 1 -- string(18) "Testing Ucwords" -- Iteration 2 -- string(30) "T E S T I N G U C W O R D S " -- Iteration 3 -- string(25) "Testing Function(ucwords)" -- Iteration 4 -- string(38) "(testing ( Function (ucwords) )a )test" -- Iteration 5 -- string(3) "(t)" -- Iteration 6 -- string(7) " ( T )t" -- Iteration 7 -- string(24) ""testing",ucwords,"test"" -- Iteration 8 -- string(14) ""t""t",test, T" -- Iteration 9 -- string(14) "\'t \'t\',test" -- Iteration 10 -- string(10) "Jack's Pen" -- Iteration 11 -- string(14) "P't'y 't It's " -- Iteration 12 -- string(24) " Testing Testing Ucwords" -- Iteration 13 -- string(26) "\ttesting\ttesting Ucwords" -- Iteration 14 -- string(31) "Testing Ucwords Testing Ucwords" -- Iteration 15 -- string(32) "Testing\rucwords Testing Ucwords" -- Iteration 16 -- string(34) "TestingUcwords Testing Ucwords" -- Iteration 17 -- string(36) "Testing\fucwords \f Testing Ucwords" -- Iteration 18 -- string(35) " Testing Ucwords Testing Ucwords" -- Iteration 19 -- string(39) "\ntesting\nucwords\n Testing \n Ucwords" -- Iteration 20 -- string(18) "UsingVerticalTab" -- Iteration 21 -- string(20) "Using\vvertical\vtab" -- Iteration 22 -- string(42) "T@@#$% %test ^test &test *test +test -test" -- Iteration 23 -- string(40) "!test ~test `test` =test= @test@test.com" -- Iteration 24 -- string(37) "/test/r Est\ucwords \y\y\u \yy\ /uu/" -- Iteration 25 -- string(16) "!@#$%^&*()_+=-`~" Done