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--TEST-- Test wordwrap() function : usage variations - unexptected values for break argument --FILE-- <?php /* Prototype : string wordwrap ( string $str [, int $width [, string $break [, bool $cut]]] ) * Description: Wraps buffer to selected number of characters using string break char * Source code: ext/standard/string.c */ /* * test wordwrap by passing different values for break argument */ echo "*** Testing wordwrap() : usage variations ***\n"; // initialize all required variables $str = 'testing wordwrap function'; $width = 10; $cut = true; // resource var $fp = fopen(__FILE__, "r"); // get an unset variable $unset_var = 'string_val'; unset($unset_var); // array with different values for break arg $values = array ( // integer values 0, 1, 12345, -2345, // float values 10.5, -10.5, 10.1234567e10, 10.7654321E-10, .5, // array values array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // boolean values true, false, TRUE, FALSE, // objects new stdclass(), // empty string "", '', //Null NULL, null, // resource var $fp, // undefined variable @$undefined_var, // unset variable @$unset_var ); // loop though each element of the array and check the working of wordwrap() // when $break argument is supplied with different values echo "\n--- Testing wordwrap() by supplying different values for 'break' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $break = $values [$index]; var_dump( wordwrap($str, $width, $break) ); // $cut as false $cut = false; var_dump( wordwrap($str, $width, $break, $cut) ); // $cut as true $cut = true; var_dump( wordwrap($str, $width, $break, $cut) ); $counter ++; } // close the resource used fclose($fp); echo "Done\n"; ?> --EXPECTF-- *** Testing wordwrap() : usage variations *** --- Testing wordwrap() by supplying different values for 'break' argument --- -- Iteration 1 -- string(25) "testing0wordwrap0function" string(25) "testing0wordwrap0function" string(25) "testing0wordwrap0function" -- Iteration 2 -- string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" -- Iteration 3 -- string(33) "testing12345wordwrap12345function" string(33) "testing12345wordwrap12345function" string(33) "testing12345wordwrap12345function" -- Iteration 4 -- string(33) "testing-2345wordwrap-2345function" string(33) "testing-2345wordwrap-2345function" string(33) "testing-2345wordwrap-2345function" -- Iteration 5 -- string(31) "testing10.5wordwrap10.5function" string(31) "testing10.5wordwrap10.5function" string(31) "testing10.5wordwrap10.5function" -- Iteration 6 -- string(33) "testing-10.5wordwrap-10.5function" string(33) "testing-10.5wordwrap-10.5function" string(33) "testing-10.5wordwrap-10.5function" -- Iteration 7 -- string(47) "testing101234567000wordwrap101234567000function" string(47) "testing101234567000wordwrap101234567000function" string(47) "testing101234567000wordwrap101234567000function" -- Iteration 8 -- string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" -- Iteration 9 -- string(29) "testing0.5wordwrap0.5function" string(29) "testing0.5wordwrap0.5function" string(29) "testing0.5wordwrap0.5function" -- Iteration 10 -- Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL -- Iteration 11 -- Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL -- Iteration 12 -- Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL -- Iteration 13 -- Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL -- Iteration 14 -- Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d NULL -- Iteration 15 -- string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" -- Iteration 16 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 17 -- string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" string(25) "testing1wordwrap1function" -- Iteration 18 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 19 -- Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d NULL -- Iteration 20 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 21 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 22 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 23 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 24 -- Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d NULL -- Iteration 25 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) -- Iteration 26 -- Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Warning: wordwrap(): Break string cannot be empty in %s on line %d bool(false) Done