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--TEST-- Test ucwords() function : usage variations - single 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 single quote */ echo "*** Testing ucwords() : usage variations ***\n"; // different strings containing regular chars and special chars $str_array = array( // multiple spaces 'testing ucwords', 't e s t i n g u c w o r d s ', // brackets in sentence 'testing function(ucwords)', '(testing ( function (ucwords) )a )test', '(t)', ' ( t )t', // using quote chars in sentence '"testing",ucword,"test"', '"t""t",test, t', '\'t \'t\',test', // using other white spaces '\ttesting\ttesting\tucwords', 'testing\rucwords testing ucwords', 'testing\fucwords \f testing \nucwords', '\ntesting\nucwords\n testing \n ucwords', 'using\vvertical\vtab', //using special chars in sentence 't@@#$% %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]) ); $iteration++; } echo "Done\n"; ?> --EXPECTF-- *** Testing ucwords() : usage variations *** -- Iteration 1 -- string(18) "Testing Ucwords" -- Iteration 2 -- string(30) "T E S T I N G U C W O R D S " -- Iteration 3 -- string(25) "Testing Function(ucwords)" -- Iteration 4 -- string(38) "(testing ( Function (ucwords) )a )test" -- Iteration 5 -- string(3) "(t)" -- Iteration 6 -- string(7) " ( T )t" -- Iteration 7 -- string(23) ""testing",ucword,"test"" -- Iteration 8 -- string(14) ""t""t",test, T" -- Iteration 9 -- string(11) "'t 't',test" -- Iteration 10 -- string(27) "\ttesting\ttesting\tucwords" -- Iteration 11 -- string(32) "Testing\rucwords Testing Ucwords" -- Iteration 12 -- string(37) "Testing\fucwords \f Testing \nucwords" -- Iteration 13 -- string(39) "\ntesting\nucwords\n Testing \n Ucwords" -- Iteration 14 -- string(20) "Using\vvertical\vtab" -- Iteration 15 -- string(42) "T@@#$% %test ^test &test *test +test -test" -- Iteration 16 -- string(40) "!test ~test `test` =test= @test@test.com" -- Iteration 17 -- string(40) "/test/r\test\ucwords\t\y\y\u\3 \yy\ /uu/" -- Iteration 18 -- string(16) "!@#$%^&*()_+=-`~" Done