1--TEST-- 2Test wordwrap() function : usage variations - unexptected values for break argument 3--FILE-- 4<?php 5/* Prototype : string wordwrap ( string $str [, int $width [, string $break [, bool $cut]]] ) 6 * Description: Wraps buffer to selected number of characters using string break char 7 * Source code: ext/standard/string.c 8*/ 9 10/* 11 * test wordwrap by passing different values for break argument 12*/ 13echo "*** Testing wordwrap() : usage variations ***\n"; 14// initialize all required variables 15$str = 'testing wordwrap function'; 16$width = 10; 17$cut = true; 18 19// resource var 20$fp = fopen(__FILE__, "r"); 21 22// get an unset variable 23$unset_var = 'string_val'; 24unset($unset_var); 25 26 27// array with different values for break arg 28$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 10.1234567e10, 40 10.7654321E-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 // boolean values 51 true, 52 false, 53 TRUE, 54 FALSE, 55 56 // objects 57 new stdclass(), 58 59 // empty string 60 "", 61 '', 62 63 //Null 64 NULL, 65 null, 66 67 // resource var 68 $fp, 69 70 // undefined variable 71 @$undefined_var, 72 73 // unset variable 74 @$unset_var 75); 76 77// loop though each element of the array and check the working of wordwrap() 78// when $break argument is supplied with different values 79echo "\n--- Testing wordwrap() by supplying different values for 'break' argument ---\n"; 80$counter = 1; 81for($index = 0; $index < count($values); $index ++) { 82 echo "-- Iteration $counter --\n"; 83 $break = $values [$index]; 84 85 var_dump( wordwrap($str, $width, $break) ); 86 87 // $cut as false 88 $cut = false; 89 var_dump( wordwrap($str, $width, $break, $cut) ); 90 91 // $cut as true 92 $cut = true; 93 var_dump( wordwrap($str, $width, $break, $cut) ); 94 95 $counter ++; 96} 97 98// close the resource used 99fclose($fp); 100 101echo "Done\n"; 102?> 103--EXPECTF-- 104*** Testing wordwrap() : usage variations *** 105 106--- Testing wordwrap() by supplying different values for 'break' argument --- 107-- Iteration 1 -- 108string(25) "testing0wordwrap0function" 109string(25) "testing0wordwrap0function" 110string(25) "testing0wordwrap0function" 111-- Iteration 2 -- 112string(25) "testing1wordwrap1function" 113string(25) "testing1wordwrap1function" 114string(25) "testing1wordwrap1function" 115-- Iteration 3 -- 116string(33) "testing12345wordwrap12345function" 117string(33) "testing12345wordwrap12345function" 118string(33) "testing12345wordwrap12345function" 119-- Iteration 4 -- 120string(33) "testing-2345wordwrap-2345function" 121string(33) "testing-2345wordwrap-2345function" 122string(33) "testing-2345wordwrap-2345function" 123-- Iteration 5 -- 124string(31) "testing10.5wordwrap10.5function" 125string(31) "testing10.5wordwrap10.5function" 126string(31) "testing10.5wordwrap10.5function" 127-- Iteration 6 -- 128string(33) "testing-10.5wordwrap-10.5function" 129string(33) "testing-10.5wordwrap-10.5function" 130string(33) "testing-10.5wordwrap-10.5function" 131-- Iteration 7 -- 132string(47) "testing101234567000wordwrap101234567000function" 133string(47) "testing101234567000wordwrap101234567000function" 134string(47) "testing101234567000wordwrap101234567000function" 135-- Iteration 8 -- 136string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" 137string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" 138string(49) "testing1.07654321E-9wordwrap1.07654321E-9function" 139-- Iteration 9 -- 140string(29) "testing0.5wordwrap0.5function" 141string(29) "testing0.5wordwrap0.5function" 142string(29) "testing0.5wordwrap0.5function" 143-- Iteration 10 -- 144 145Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 146NULL 147 148Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 149NULL 150 151Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 152NULL 153-- Iteration 11 -- 154 155Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 156NULL 157 158Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 159NULL 160 161Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 162NULL 163-- Iteration 12 -- 164 165Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 166NULL 167 168Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 169NULL 170 171Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 172NULL 173-- Iteration 13 -- 174 175Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 176NULL 177 178Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 179NULL 180 181Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 182NULL 183-- Iteration 14 -- 184 185Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 186NULL 187 188Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 189NULL 190 191Warning: wordwrap() expects parameter 3 to be string, array given in %s on line %d 192NULL 193-- Iteration 15 -- 194string(25) "testing1wordwrap1function" 195string(25) "testing1wordwrap1function" 196string(25) "testing1wordwrap1function" 197-- Iteration 16 -- 198 199Warning: wordwrap(): Break string cannot be empty in %s on line %d 200bool(false) 201 202Warning: wordwrap(): Break string cannot be empty in %s on line %d 203bool(false) 204 205Warning: wordwrap(): Break string cannot be empty in %s on line %d 206bool(false) 207-- Iteration 17 -- 208string(25) "testing1wordwrap1function" 209string(25) "testing1wordwrap1function" 210string(25) "testing1wordwrap1function" 211-- Iteration 18 -- 212 213Warning: wordwrap(): Break string cannot be empty in %s on line %d 214bool(false) 215 216Warning: wordwrap(): Break string cannot be empty in %s on line %d 217bool(false) 218 219Warning: wordwrap(): Break string cannot be empty in %s on line %d 220bool(false) 221-- Iteration 19 -- 222 223Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d 224NULL 225 226Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d 227NULL 228 229Warning: wordwrap() expects parameter 3 to be string, object given in %s on line %d 230NULL 231-- Iteration 20 -- 232 233Warning: wordwrap(): Break string cannot be empty in %s on line %d 234bool(false) 235 236Warning: wordwrap(): Break string cannot be empty in %s on line %d 237bool(false) 238 239Warning: wordwrap(): Break string cannot be empty in %s on line %d 240bool(false) 241-- Iteration 21 -- 242 243Warning: wordwrap(): Break string cannot be empty in %s on line %d 244bool(false) 245 246Warning: wordwrap(): Break string cannot be empty in %s on line %d 247bool(false) 248 249Warning: wordwrap(): Break string cannot be empty in %s on line %d 250bool(false) 251-- Iteration 22 -- 252 253Warning: wordwrap(): Break string cannot be empty in %s on line %d 254bool(false) 255 256Warning: wordwrap(): Break string cannot be empty in %s on line %d 257bool(false) 258 259Warning: wordwrap(): Break string cannot be empty in %s on line %d 260bool(false) 261-- Iteration 23 -- 262 263Warning: wordwrap(): Break string cannot be empty in %s on line %d 264bool(false) 265 266Warning: wordwrap(): Break string cannot be empty in %s on line %d 267bool(false) 268 269Warning: wordwrap(): Break string cannot be empty in %s on line %d 270bool(false) 271-- Iteration 24 -- 272 273Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d 274NULL 275 276Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d 277NULL 278 279Warning: wordwrap() expects parameter 3 to be string, resource given in %s on line %d 280NULL 281-- Iteration 25 -- 282 283Warning: wordwrap(): Break string cannot be empty in %s on line %d 284bool(false) 285 286Warning: wordwrap(): Break string cannot be empty in %s on line %d 287bool(false) 288 289Warning: wordwrap(): Break string cannot be empty in %s on line %d 290bool(false) 291-- Iteration 26 -- 292 293Warning: wordwrap(): Break string cannot be empty in %s on line %d 294bool(false) 295 296Warning: wordwrap(): Break string cannot be empty in %s on line %d 297bool(false) 298 299Warning: wordwrap(): Break string cannot be empty in %s on line %d 300bool(false) 301Done 302