1--TEST-- 2Test wordwrap() function : usage variations - unexptected value for cut argument 3--FILE-- 4<?php 5/* Prototype : string wordwrap ( string $str [, int $width [, string $break [, bool $cut]]] ) 6 * Description: Wraps buffer to selected number of characters using string break char 7 * Source code: ext/standard/string.c 8*/ 9 10/* 11 * test wordwrap() by supplying different values for cut argument 12*/ 13 14echo "*** Testing wordwrap() : usage variations ***\n"; 15// initialize all required variables 16$str = 'testing wordwrap function'; 17$width = 10; 18$break = '<br />\n'; 19 20// get an unset variable 21$unset_var = true; 22unset($unset_var); 23 24// resource variable 25$fp = fopen(__FILE__, "r"); 26 27// array with different values 28$values = array ( 29 30 // integer values 31 0, 32 1, 33 12345, 34 -2345, 35 36 // float values 37 10.5, 38 -10.5, 39 10.5e10, 40 10.6E-10, 41 .5, 42 43 // array values 44 array(), 45 array(0), 46 array(1), 47 array(1, 2), 48 array('color' => 'red', 'item' => 'pen'), 49 50 // string values 51 "string", 52 'string', 53 54 // objects 55 new stdclass(), 56 57 // empty string 58 "", 59 '', 60 61 // undefined variable 62 @$undefined_var, 63 64 // unset variable 65 @$unset_var 66); 67 68// loop though each element of the array and check the working of wordwrap() 69// when $cut argument is supplied with different values 70echo "\n--- Testing wordwrap() by supplying different values for 'cut' argument ---\n"; 71$counter = 1; 72for($index = 0; $index < count($values); $index ++) { 73 echo "-- Iteration $counter --\n"; 74 $cut = $values [$index]; 75 76 var_dump( wordwrap($str, $width, $break, $cut) ); 77 78 $counter ++; 79} 80 81// close the resource 82fclose($fp); 83 84echo "Done\n"; 85?> 86--EXPECTF-- 87*** Testing wordwrap() : usage variations *** 88 89--- Testing wordwrap() by supplying different values for 'cut' argument --- 90-- Iteration 1 -- 91string(39) "testing<br />\nwordwrap<br />\nfunction" 92-- Iteration 2 -- 93string(39) "testing<br />\nwordwrap<br />\nfunction" 94-- Iteration 3 -- 95string(39) "testing<br />\nwordwrap<br />\nfunction" 96-- Iteration 4 -- 97string(39) "testing<br />\nwordwrap<br />\nfunction" 98-- Iteration 5 -- 99string(39) "testing<br />\nwordwrap<br />\nfunction" 100-- Iteration 6 -- 101string(39) "testing<br />\nwordwrap<br />\nfunction" 102-- Iteration 7 -- 103string(39) "testing<br />\nwordwrap<br />\nfunction" 104-- Iteration 8 -- 105string(39) "testing<br />\nwordwrap<br />\nfunction" 106-- Iteration 9 -- 107string(39) "testing<br />\nwordwrap<br />\nfunction" 108-- Iteration 10 -- 109 110Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d 111NULL 112-- Iteration 11 -- 113 114Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d 115NULL 116-- Iteration 12 -- 117 118Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d 119NULL 120-- Iteration 13 -- 121 122Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d 123NULL 124-- Iteration 14 -- 125 126Warning: wordwrap() expects parameter 4 to be boolean, array given in %s on line %d 127NULL 128-- Iteration 15 -- 129string(39) "testing<br />\nwordwrap<br />\nfunction" 130-- Iteration 16 -- 131string(39) "testing<br />\nwordwrap<br />\nfunction" 132-- Iteration 17 -- 133 134Warning: wordwrap() expects parameter 4 to be boolean, object given in %s on line %d 135NULL 136-- Iteration 18 -- 137string(39) "testing<br />\nwordwrap<br />\nfunction" 138-- Iteration 19 -- 139string(39) "testing<br />\nwordwrap<br />\nfunction" 140-- Iteration 20 -- 141string(39) "testing<br />\nwordwrap<br />\nfunction" 142-- Iteration 21 -- 143string(39) "testing<br />\nwordwrap<br />\nfunction" 144Done 145