--TEST-- Test wordwrap() function : usage variations - unexpected values for str argument --FILE-- \n'; $cut = true; // resource variable $fp = fopen(__FILE__, "r"); // get an unset variable $unset_var = 'string_val'; unset($unset_var); // array with different values $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(), // Null NULL, null, // empty string "", '', // resource variable $fp, // undefined variable @$undefined_var, // unset variable @$unset_var ); // loop though each element of the array and check the working of wordwrap() // when $str arugment is supplied with different values echo "\n--- Testing wordwrap() by supplying different values for 'str' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $str = $values [$index]; var_dump( wordwrap($str) ); var_dump( wordwrap($str, $width) ); var_dump( wordwrap($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) ); $counter ++; } // close the resource fclose($fp); echo "Done\n"; ?> --EXPECTF-- *** Testing wordwrap() : usage variations *** --- Testing wordwrap() by supplying different values for 'str' argument --- -- Iteration 1 -- string(1) "0" string(1) "0" string(1) "0" string(1) "0" string(1) "0" -- Iteration 2 -- string(1) "1" string(1) "1" string(1) "1" string(1) "1" string(1) "1" -- Iteration 3 -- string(5) "12345" string(5) "12345" string(5) "12345" string(5) "12345" string(13) "123
\n45" -- Iteration 4 -- string(5) "-2345" string(5) "-2345" string(5) "-2345" string(5) "-2345" string(13) "-23
\n45" -- Iteration 5 -- string(4) "10.5" string(4) "10.5" string(4) "10.5" string(4) "10.5" string(12) "10.
\n5" -- Iteration 6 -- string(5) "-10.5" string(5) "-10.5" string(5) "-10.5" string(5) "-10.5" string(13) "-10
\n.5" -- Iteration 7 -- string(12) "101234567000" string(12) "101234567000" string(12) "101234567000" string(12) "101234567000" string(36) "101
\n234
\n567
\n000" -- Iteration 8 -- string(13) "1.07654321E-9" string(13) "1.07654321E-9" string(13) "1.07654321E-9" string(13) "1.07654321E-9" string(45) "1.0
\n765
\n432
\n1E-
\n9" -- Iteration 9 -- string(3) "0.5" string(3) "0.5" string(3) "0.5" string(3) "0.5" string(3) "0.5" -- Iteration 10 -- Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 11 -- Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 12 -- Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 13 -- Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 14 -- Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, array given in %s on line %d NULL -- Iteration 15 -- string(1) "1" string(1) "1" string(1) "1" string(1) "1" string(1) "1" -- Iteration 16 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 17 -- string(1) "1" string(1) "1" string(1) "1" string(1) "1" string(1) "1" -- Iteration 18 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 19 -- Warning: wordwrap() expects parameter 1 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, object given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, object given in %s on line %d NULL -- Iteration 20 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 21 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 22 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 23 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 24 -- Warning: wordwrap() expects parameter 1 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 1 to be string, resource given in %s on line %d NULL -- Iteration 25 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" -- Iteration 26 -- string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" Done