1--TEST-- 2Test fread() function : usage variations - read beyond file size, write only mode 3--FILE-- 4<?php 5// include the file.inc for common functions for test 6include ("file.inc"); 7 8/* Function : function check_read(resource $file_handle, int $read_size, int $expect_size) 9 Description : Read data from file of size $read_size and verifies that $expected_size no. of 10 bytes are read. 11 $file_handle : File Handle 12 $read_size : No. of bytes to be read. 13 $expect_size : Expected data length 14 Returns: returns the data read 15*/ 16function check_read($file_handle, $read_size, $expect_size) { 17 // print file pointer position before read 18 var_dump( ftell($file_handle) ); 19 var_dump( feof($file_handle) ); 20 21 // read the data of size $read_size 22 echo "Reading $read_size bytes from file, expecting $expect_size bytes ... "; 23 $data_from_file = fread($file_handle, $read_size); 24 25 // check if data read is of expected size 26 if ( strlen($data_from_file) == $expect_size) 27 echo "OK\n"; 28 else 29 echo "Error reading file, total number of bytes read = ".strlen($data_from_file)."\n"; 30 31 // file pointer position after read 32 var_dump( ftell($file_handle) ); 33 // check if file pointer at eof() 34 var_dump( feof($file_handle) ); 35 36 return $data_from_file; 37} 38 39echo "*** Testing fread() : usage variations ***\n"; 40 41$file_modes = array("a","ab","at", 42 "w","wb","wt", 43 "x","xb","xt" ); 44 45$file_content_types = array("numeric","text","text_with_new_line"); 46 47foreach($file_content_types as $file_content_type) { 48 echo "\n-- Testing fread() with file having content of type ". $file_content_type ." --\n"; 49 50 /* open the file using $files_modes and perform fread() on it */ 51 foreach($file_modes as $file_mode) { 52 if(!strstr($file_mode,"x")){ 53 /* create files with $file_content_type */ 54 create_files ( __DIR__, 1, $file_content_type, 0755, 1, "w", "fread_variation", 4); 55 } 56 57 $filename = __DIR__."/fread_variation4.tmp"; // this is name of the file created by create_files() 58 echo "-- File opened in mode ".$file_mode." --\n"; 59 $file_handle = fopen($filename, $file_mode); 60 if (!$file_handle) { 61 echo "Error: failed to fopen() file: $filename!"; 62 exit(); 63 } 64 65 if(strstr($file_mode,"w") || strstr($file_mode,"x") ) { 66 fill_file($file_handle, $file_content_type, 1024); 67 } 68 69 rewind($file_handle); 70 echo "-- Reading beyond filesize, expected : 1024 bytes --\n"; 71 // read file by giving size more than its size 72 rewind($file_handle); 73 $data_from_file = check_read($file_handle, 1030, ( strstr($file_mode, "+") ? 1024 : 0) ); 74 if ( $data_from_file != false) 75 var_dump( md5($data_from_file) ); 76 77 echo "-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes --\n"; 78 rewind($file_handle); 79 // try fread when file pointer at end 80 fseek($file_handle, 0, SEEK_END); 81 //reading file when file pointer at end 82 $data_from_file = check_read($file_handle, 10, 0); 83 if ( $data_from_file != false) 84 var_dump( md5($data_from_file) ); 85 86 // now close the file 87 fclose($file_handle); 88 89 // delete the file created 90 delete_file($filename); // delete file 91 } // end of inner foreach loop 92}// end of outer foreach loop 93 94echo"Done\n"; 95?> 96--EXPECTF-- 97*** Testing fread() : usage variations *** 98 99-- Testing fread() with file having content of type numeric -- 100-- File opened in mode a -- 101-- Reading beyond filesize, expected : 1024 bytes -- 102int(0) 103bool(false) 104Reading 1030 bytes from file, expecting 0 bytes ... 105Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 106OK 107int(0) 108bool(false) 109-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 110int(1024) 111bool(false) 112Reading 10 bytes from file, expecting 0 bytes ... 113Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 114OK 115int(1024) 116bool(false) 117-- File opened in mode ab -- 118-- Reading beyond filesize, expected : 1024 bytes -- 119int(0) 120bool(false) 121Reading 1030 bytes from file, expecting 0 bytes ... 122Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 123OK 124int(0) 125bool(false) 126-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 127int(1024) 128bool(false) 129Reading 10 bytes from file, expecting 0 bytes ... 130Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 131OK 132int(1024) 133bool(false) 134-- File opened in mode at -- 135-- Reading beyond filesize, expected : 1024 bytes -- 136int(0) 137bool(false) 138Reading 1030 bytes from file, expecting 0 bytes ... 139Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 140OK 141int(0) 142bool(false) 143-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 144int(1024) 145bool(false) 146Reading 10 bytes from file, expecting 0 bytes ... 147Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 148OK 149int(1024) 150bool(false) 151-- File opened in mode w -- 152-- Reading beyond filesize, expected : 1024 bytes -- 153int(0) 154bool(false) 155Reading 1030 bytes from file, expecting 0 bytes ... 156Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 157OK 158int(0) 159bool(false) 160-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 161int(1024) 162bool(false) 163Reading 10 bytes from file, expecting 0 bytes ... 164Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 165OK 166int(1024) 167bool(false) 168-- File opened in mode wb -- 169-- Reading beyond filesize, expected : 1024 bytes -- 170int(0) 171bool(false) 172Reading 1030 bytes from file, expecting 0 bytes ... 173Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 174OK 175int(0) 176bool(false) 177-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 178int(1024) 179bool(false) 180Reading 10 bytes from file, expecting 0 bytes ... 181Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 182OK 183int(1024) 184bool(false) 185-- File opened in mode wt -- 186-- Reading beyond filesize, expected : 1024 bytes -- 187int(0) 188bool(false) 189Reading 1030 bytes from file, expecting 0 bytes ... 190Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 191OK 192int(0) 193bool(false) 194-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 195int(1024) 196bool(false) 197Reading 10 bytes from file, expecting 0 bytes ... 198Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 199OK 200int(1024) 201bool(false) 202-- File opened in mode x -- 203-- Reading beyond filesize, expected : 1024 bytes -- 204int(0) 205bool(false) 206Reading 1030 bytes from file, expecting 0 bytes ... 207Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 208OK 209int(0) 210bool(false) 211-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 212int(1024) 213bool(false) 214Reading 10 bytes from file, expecting 0 bytes ... 215Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 216OK 217int(1024) 218bool(false) 219-- File opened in mode xb -- 220-- Reading beyond filesize, expected : 1024 bytes -- 221int(0) 222bool(false) 223Reading 1030 bytes from file, expecting 0 bytes ... 224Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 225OK 226int(0) 227bool(false) 228-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 229int(1024) 230bool(false) 231Reading 10 bytes from file, expecting 0 bytes ... 232Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 233OK 234int(1024) 235bool(false) 236-- File opened in mode xt -- 237-- Reading beyond filesize, expected : 1024 bytes -- 238int(0) 239bool(false) 240Reading 1030 bytes from file, expecting 0 bytes ... 241Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 242OK 243int(0) 244bool(false) 245-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 246int(1024) 247bool(false) 248Reading 10 bytes from file, expecting 0 bytes ... 249Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 250OK 251int(1024) 252bool(false) 253 254-- Testing fread() with file having content of type text -- 255-- File opened in mode a -- 256-- Reading beyond filesize, expected : 1024 bytes -- 257int(0) 258bool(false) 259Reading 1030 bytes from file, expecting 0 bytes ... 260Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 261OK 262int(0) 263bool(false) 264-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 265int(1024) 266bool(false) 267Reading 10 bytes from file, expecting 0 bytes ... 268Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 269OK 270int(1024) 271bool(false) 272-- File opened in mode ab -- 273-- Reading beyond filesize, expected : 1024 bytes -- 274int(0) 275bool(false) 276Reading 1030 bytes from file, expecting 0 bytes ... 277Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 278OK 279int(0) 280bool(false) 281-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 282int(1024) 283bool(false) 284Reading 10 bytes from file, expecting 0 bytes ... 285Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 286OK 287int(1024) 288bool(false) 289-- File opened in mode at -- 290-- Reading beyond filesize, expected : 1024 bytes -- 291int(0) 292bool(false) 293Reading 1030 bytes from file, expecting 0 bytes ... 294Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 295OK 296int(0) 297bool(false) 298-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 299int(1024) 300bool(false) 301Reading 10 bytes from file, expecting 0 bytes ... 302Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 303OK 304int(1024) 305bool(false) 306-- File opened in mode w -- 307-- Reading beyond filesize, expected : 1024 bytes -- 308int(0) 309bool(false) 310Reading 1030 bytes from file, expecting 0 bytes ... 311Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 312OK 313int(0) 314bool(false) 315-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 316int(1024) 317bool(false) 318Reading 10 bytes from file, expecting 0 bytes ... 319Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 320OK 321int(1024) 322bool(false) 323-- File opened in mode wb -- 324-- Reading beyond filesize, expected : 1024 bytes -- 325int(0) 326bool(false) 327Reading 1030 bytes from file, expecting 0 bytes ... 328Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 329OK 330int(0) 331bool(false) 332-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 333int(1024) 334bool(false) 335Reading 10 bytes from file, expecting 0 bytes ... 336Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 337OK 338int(1024) 339bool(false) 340-- File opened in mode wt -- 341-- Reading beyond filesize, expected : 1024 bytes -- 342int(0) 343bool(false) 344Reading 1030 bytes from file, expecting 0 bytes ... 345Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 346OK 347int(0) 348bool(false) 349-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 350int(1024) 351bool(false) 352Reading 10 bytes from file, expecting 0 bytes ... 353Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 354OK 355int(1024) 356bool(false) 357-- File opened in mode x -- 358-- Reading beyond filesize, expected : 1024 bytes -- 359int(0) 360bool(false) 361Reading 1030 bytes from file, expecting 0 bytes ... 362Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 363OK 364int(0) 365bool(false) 366-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 367int(1024) 368bool(false) 369Reading 10 bytes from file, expecting 0 bytes ... 370Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 371OK 372int(1024) 373bool(false) 374-- File opened in mode xb -- 375-- Reading beyond filesize, expected : 1024 bytes -- 376int(0) 377bool(false) 378Reading 1030 bytes from file, expecting 0 bytes ... 379Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 380OK 381int(0) 382bool(false) 383-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 384int(1024) 385bool(false) 386Reading 10 bytes from file, expecting 0 bytes ... 387Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 388OK 389int(1024) 390bool(false) 391-- File opened in mode xt -- 392-- Reading beyond filesize, expected : 1024 bytes -- 393int(0) 394bool(false) 395Reading 1030 bytes from file, expecting 0 bytes ... 396Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 397OK 398int(0) 399bool(false) 400-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 401int(1024) 402bool(false) 403Reading 10 bytes from file, expecting 0 bytes ... 404Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 405OK 406int(1024) 407bool(false) 408 409-- Testing fread() with file having content of type text_with_new_line -- 410-- File opened in mode a -- 411-- Reading beyond filesize, expected : 1024 bytes -- 412int(0) 413bool(false) 414Reading 1030 bytes from file, expecting 0 bytes ... 415Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 416OK 417int(0) 418bool(false) 419-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 420int(1024) 421bool(false) 422Reading 10 bytes from file, expecting 0 bytes ... 423Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 424OK 425int(1024) 426bool(false) 427-- File opened in mode ab -- 428-- Reading beyond filesize, expected : 1024 bytes -- 429int(0) 430bool(false) 431Reading 1030 bytes from file, expecting 0 bytes ... 432Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 433OK 434int(0) 435bool(false) 436-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 437int(1024) 438bool(false) 439Reading 10 bytes from file, expecting 0 bytes ... 440Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 441OK 442int(1024) 443bool(false) 444-- File opened in mode at -- 445-- Reading beyond filesize, expected : 1024 bytes -- 446int(0) 447bool(false) 448Reading 1030 bytes from file, expecting 0 bytes ... 449Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 450OK 451int(0) 452bool(false) 453-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 454int(1024) 455bool(false) 456Reading 10 bytes from file, expecting 0 bytes ... 457Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 458OK 459int(1024) 460bool(false) 461-- File opened in mode w -- 462-- Reading beyond filesize, expected : 1024 bytes -- 463int(0) 464bool(false) 465Reading 1030 bytes from file, expecting 0 bytes ... 466Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 467OK 468int(0) 469bool(false) 470-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 471int(1024) 472bool(false) 473Reading 10 bytes from file, expecting 0 bytes ... 474Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 475OK 476int(1024) 477bool(false) 478-- File opened in mode wb -- 479-- Reading beyond filesize, expected : 1024 bytes -- 480int(0) 481bool(false) 482Reading 1030 bytes from file, expecting 0 bytes ... 483Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 484OK 485int(0) 486bool(false) 487-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 488int(1024) 489bool(false) 490Reading 10 bytes from file, expecting 0 bytes ... 491Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 492OK 493int(1024) 494bool(false) 495-- File opened in mode wt -- 496-- Reading beyond filesize, expected : 1024 bytes -- 497int(0) 498bool(false) 499Reading 1030 bytes from file, expecting 0 bytes ... 500Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 501OK 502int(0) 503bool(false) 504-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 505int(%r1024|1137%r) 506bool(false) 507Reading 10 bytes from file, expecting 0 bytes ... 508Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 509OK 510int(%r1024|1137%r) 511bool(false) 512-- File opened in mode x -- 513-- Reading beyond filesize, expected : 1024 bytes -- 514int(0) 515bool(false) 516Reading 1030 bytes from file, expecting 0 bytes ... 517Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 518OK 519int(0) 520bool(false) 521-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 522int(1024) 523bool(false) 524Reading 10 bytes from file, expecting 0 bytes ... 525Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 526OK 527int(1024) 528bool(false) 529-- File opened in mode xb -- 530-- Reading beyond filesize, expected : 1024 bytes -- 531int(0) 532bool(false) 533Reading 1030 bytes from file, expecting 0 bytes ... 534Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 535OK 536int(0) 537bool(false) 538-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 539int(1024) 540bool(false) 541Reading 10 bytes from file, expecting 0 bytes ... 542Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 543OK 544int(1024) 545bool(false) 546-- File opened in mode xt -- 547-- Reading beyond filesize, expected : 1024 bytes -- 548int(0) 549bool(false) 550Reading 1030 bytes from file, expecting 0 bytes ... 551Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 552OK 553int(0) 554bool(false) 555-- Reading beyond filesize when file pointer pointing to EOF, expected : 0 bytes -- 556int(%r1024|1137%r) 557bool(false) 558Reading 10 bytes from file, expecting 0 bytes ... 559Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 560OK 561int(%r1024|1137%r) 562bool(false) 563Done 564
