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--TEST-- Test wordwrap() function : usage variations - unexpected values for width 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 width argument */ echo "*** Testing wordwrap() : usage variations ***\n"; // initialize all required variables $str = 'testing wordwrap function'; $break = '<br />\n'; $cut = true; // resource var $fp = fopen(__FILE__, "r"); // get an unset variable $unset_var = 10; unset($unset_var); // array with different values as width $values = array ( // zerovalue for width 0, // -ve value for width -1, -10, // array values array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // boolean values true, false, TRUE, FALSE, // string values "string", 'string', // objects new stdclass(), // Null value 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 $width argument is supplied with different values echo "\n--- Testing wordwrap() by supplying different values for 'width' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $width = $values [$index]; 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 'width' argument --- -- Iteration 1 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 2 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" string(223) "<br />\nt<br />\ne<br />\ns<br />\nt<br />\ni<br />\nn<br />\ng<br />\n<br />\nw<br />\no<br />\nr<br />\nd<br />\nw<br />\nr<br />\na<br />\np<br />\n<br />\nf<br />\nu<br />\nn<br />\nc<br />\nt<br />\ni<br />\no<br />\nn" -- Iteration 3 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" string(223) "<br />\nt<br />\ne<br />\ns<br />\nt<br />\ni<br />\nn<br />\ng<br />\n<br />\nw<br />\no<br />\nr<br />\nd<br />\nw<br />\nr<br />\na<br />\np<br />\n<br />\nf<br />\nu<br />\nn<br />\nc<br />\nt<br />\ni<br />\no<br />\nn" -- Iteration 4 -- Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL -- Iteration 5 -- Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL -- Iteration 6 -- Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL -- Iteration 7 -- Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL -- Iteration 8 -- Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, array given in %s on line %d NULL -- Iteration 9 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" string(199) "t<br />\ne<br />\ns<br />\nt<br />\ni<br />\nn<br />\ng<br />\nw<br />\no<br />\nr<br />\nd<br />\nw<br />\nr<br />\na<br />\np<br />\nf<br />\nu<br />\nn<br />\nc<br />\nt<br />\ni<br />\no<br />\nn" -- Iteration 10 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 11 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" string(199) "t<br />\ne<br />\ns<br />\nt<br />\ni<br />\nn<br />\ng<br />\nw<br />\no<br />\nr<br />\nd<br />\nw<br />\nr<br />\na<br />\np<br />\nf<br />\nu<br />\nn<br />\nc<br />\nt<br />\ni<br />\no<br />\nn" -- Iteration 12 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 13 -- Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL -- Iteration 14 -- Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL -- Iteration 15 -- Warning: wordwrap() expects parameter 2 to be long, object given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, object given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, object given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, object given in %s on line %d NULL -- Iteration 16 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 17 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 18 -- Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL -- Iteration 19 -- Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, string given in %s on line %d NULL -- Iteration 20 -- Warning: wordwrap() expects parameter 2 to be long, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, resource given in %s on line %d NULL Warning: wordwrap() expects parameter 2 to be long, resource given in %s on line %d NULL -- Iteration 21 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) -- Iteration 22 -- string(25) "testing wordwrap function" string(39) "testing<br />\nwordwrap<br />\nfunction" string(39) "testing<br />\nwordwrap<br />\nfunction" Warning: wordwrap(): Can't force cut when width is zero in %s on line %d bool(false) Done