Phát triển web với PHP và MySQL - p 86 docx

825

EXPLAIN statement,

257-260

column values, 259 join types, 258 output, 257, 260

explode() function, 86-87,

102, 377

exploits, BUGTRAQ

archives Web site, 357

exporting public keys

(Gnu Privacy Guard), 340

extended syntax, 222

extends keyword, 155

extensions

loading dynamically, 453 Shopping Cart application, 584

Warm Mail application, 652-653

Web forum application, 741

extensions (filename

extensions), require()

statement, 120-121

extract() function, 91-92

extract_type parameter, 91

extract_type parameter

(extract() function), 91

F

f file mode, 54

FastTemplate Web site,

472

fclose() function, 58, 359

fdf create() function, 762

fdf set file() function, 762

fdf set value() function,

762

FDF Web site, 763

Fedex Web site, 276

feof() function, 60 fgetc() function, 62-63 fgetcsv() function, 61 fgets() function, 60 fgetss() function, 61 fields

scope, 248 userfile (HTML form), 354

fields (tables), 173 figures, drawing, 419-428 file, interacting with, 361 File Details view, 363 file modes, 52 file paths, from directories, 360 FILE privilege, 191, 253 File Transfer Protocol (FTP), 378-387

anonymous login, 381 filetime() function, 383 file_exists() function, 383 FTP transfer modes, 384 ftp_connect() function, 382

ftp_fput() function, 385 ftp_get() function, 385 ftp_login() function, 382 ftp_mdtm() function, 383-384

ftp_nlist() function, 386 ftp_put() function, 385 ftp_quit() function, 385 ftp_size() function, 386 mirroring files, 379, 381-385

closing connections, 385

connecting to remote FTP server, 382 downloading files, 384-385

file update times, check-ing, 383-384

logging in to FTP server, 382

set_time_limit() function, 386

timeouts, avoiding, 386 uploading files, 385

file update times, check-ing (mirrorcheck-ing files), 383-384

file upload, 352-353

displaying, 357 HTML, 353-354

code, 353

HTML forms, 352 online newsletters, 657 PHP, writing, 354-357 problems, 358

file upload method, 589-590

file() function, 62 fileatime() function, 363 filedetails.php file, 362 filegroup() function, 362-363

filemtime() function, 363 filename extensions, require() statement, 120-121

fileowner() function, 362-363

fileperms() function, 363 files, 50-51

auto append file, 593 auto prepend file, 593 backing up, 301

FTP functions, 379-385

blue-button.png, 414 book_insert.sql, 210 browsedir.php, 358 BUGTRAQ archives Web site, exploits, 357

files 826

catching, code, 354-356 checking existence of, 63 checking size of, 63 closing, 58-59 content management systems, 595

create database.sql, 595-586

db fns.php, 595 delete story.php, 596 footer.php, 595 header.php, 595 headlines.php, 596 include fns.php, 595 keyword add.php, 596 keyword delete.php, 596

keywords.php, 597 login.php, 596 logo.gif, 597 page.php, 597 publish story.php, 596 publish.php, 596 resize image.php, 596 search form.php, 596 search.php, 596 select fns.php, 595 stories.php, 596 story submit.php, 596 story.php, 596 unpublish story.php, 596

user auth fns.php, 595

create_database.sql, 597 creating, 364-365 data, loading from, 263 db_fns.php, 605 deleting, 63, 364-365 delete_fns.php, 611 design_button.html, 411-412

disadvantages, 66

downloading (FTP servers), 384-385 filedetails.php, 362 footer.php, 599 formats, 58 green-button.png, 414 headlines.php, 599 htaccess files (Apache Web server)

basic authentication (HTTP), 316-319

httpd.conf, 790 index.html, 752-754 interacting with, 361 listings in directories, 359 loading arrays from, 85-87 locking, 65-66

log files, 299-300 logout.php, 605 make_button.php, 412 mirroring (FTP functions), 379-385

MLM, 660

create_database.sql, 660

data_valid_fns.php, 660

db_fns.php, 660 include_fns.php, 660 index.php, 660 mlm_fns.php, 660 output_fns.php, 660 upload.php, 660 user_auth_fns.php, 660

moving, 364-365 multiple, uploading, 698-702

navigating inside files, 64 newbooks.txt, 263 opening, 52

file modes, 52 fopen() function, 53-54

FTP (File Transfer Protocol), 54-55 HTTP (Hypertext Transfer Protocol), 55 potential problems, 55-56

page.php, 600-602 pdf.php, 752 pdflib.php, 753 personalized documents, certification project, 752 php.ini, 799

php.ini file

auto_append_file, 126-127 auto_prepend_file, 126-127 directives, editing, 453-454

PHPBookmark application, 501

add_bms.php, 501 add_bm_form.php, 501 bookmark.gif, 502 bookmarks.sql, 501 bookmark_fns.php, 501 change_passwd.php, 501

change_passwd_form.p

hp, 501 data_valid_fns.php, 501 db_fns.php, 502 delete_bms.php, 501 forgot_form.php, 501 forgot_passwd.php, 501 login.php, 501

logout.php, 501 member.php, 501 output_fns.php, 502 recommend.php, 501 register_form.php, 501 register_new.php, 501

fopen() function

827

url_fns.php, 502 user_auth_fns.php, 502

pollsetup.sql, 420 progex.php, 366 properties, changing, 364 reading, 52, 361-364

feof() function, 60 fgetc() function, 62-63 fgetcsv() function, 61 fgets() function, 60 fgetss() function, 61 file() function, 62 fopen() function, 60 fpassthru() function, 62 fread() function, 63 readfile() function, 61 vieworders.php inter-face, 59-60

red-button.png, 414 rtf.php, 752, 759 score.php, 752-757 select_fns.php, 609 Shopping Cart application, 544-545

showpoll.php, 422-426 signature.tif, 753 simplegraph.php, 405 status function results, code, 362, 366-367 storage, content manage-ment systems, 590 stories.php, 602-611 upload.html, 353 upload.php, 354 uploading (FTP functions), 385

variables, 354 vote.html, 420 Warm Mail application (email client), 621 Web forum application, 715

writing to, 52

file formats, 58 fwrite() function, 57

filesize() function, 63, 364 filetime() function, 383 filetype() function, 364 file_exists() function, 63, 383

filled out() function, 510-511

filtering input data (Web databases), 233

find and replace, substrings, 108-109 finding

substrings, 105-107

numerical position, 107-108

strpos() function, 107-108 strrpos() function, 107 strstr() function, 106-107 with regular expres-sions, 114-115

fire suppression systems, 302

firewalls, 300 FishCartSQL, 584 fitting text onto buttons, 415-418

flat files, 50-51

checking existence of, 63 checking size of, 63 closing, 58-59 deleting, 63 disadvantages, 66 formats, 58 locking, 65-66 navigating inside files, 64 opening, 52

file modes, 52 fopen() function, 53-54

FTP (File Transfer Protocol), 54-55 HTTP (Hypertext Transfer Protocol), 55 potential problems, 55-56

reading, 52

feof() function, 60 fgetc() function, 62-63 fgetcsv() function, 61 fgets() function, 60 fgetss() function, 61 file() function, 62 fopen() function, 60 fpassthru() function, 62 fread() function, 63 readfile() function, 61 vieworders.php inter-face, 59-60

writing to, 52

file formats, 58 fwrite() function, 57

floating point data types (numeric column types), 201-202

flock() function, 65 floor() function, 399 focus groups, 271 fonts

buttons, 411 descenders, 417 FreeType library, downloading, 402 images, creating, 410-419 PostScript Type 1 fonts, downloading (FTP site), 402

TrueType, 411

footer.php, 595 footers, script architec-ture, 663

fopen() function, 52-56,

60, 359, 373, 528

for loops 828

for loops, 45-46 foreign keys (databases), 175

forgot_form.php, 501 forgot_passwd.php, 501 format codes, date() function, 392-394 formatting

output, 592-593 strings, 96-101

AddSlashes() function, 101

case, changing, 99-100 chop() function, 97 conversion specifica-tions, 98-99 for printing, 97-99 for storage, 100-101 HTML formatting, 97 ltrim() function, 97 nl2br() function, 97 StripSlashes() function, 101

trim() function, 96 trimming excess whitespace, 96-97

formats

files, 58 images, 403

GIF (Graphics Interchange Format), 404

JPEG (Joint Photographic Experts Group), 403

PNG (Portable Network Graphics), 403 WBMP (Wireless Bitmap), 403

personalized documents, 745-748

ASCII, 745 HTML, 745

paper, 745 PDF, 748 PostScript, 747-748 requirements, 749 RTF, 746-747 software, 749-751 word processors, 746

formatting output, 593-594

forms

HTML, 229

Bob’s Auto Parts application, 11-13 file upload, 352 processing, 11-13 userfile field, 354

totaling, with operators, 33-34

variables, accessing, 19-21

forum application See

Web forum application forwarding email (Warm Mail application), 651-652

fpassthru() function, 62 fread() function, 63 Free Software Web site, 403

freeing up memory (mysql_free_result() function), 241-242 FreeType library, downloading, 402 fseek() function, 64 ftell() function, 64 FTP (File Transfer Protocol), 378-387

anonymous login, 381 content management systems, 589

file upload method, 589

filetime() function, 383

file_exists() function, 383 FTP transfer modes, 384 ftp_connect() function, 382 ftp_fget() function, 384 ftp_fput() function, 385 ftp_get() function, 385 ftp_login() function, 382 ftp_mdtm() function, 383 ftp_nlist() function, 386 ftp_put() function, 385 ftp_quit() function, 385 ftp_size() function, 386 mirroring files, 379-385

closing connections, 385

connecting to remote FTP server, 382 downloading files, 384-385 file update times, checking, 383-384 logging in to FTP server, 382

opening files, 54-55 set_time_limit() function, 386

timeouts, avoiding, 386 uploading files, 385

FTP servers

connecting to (mirroring files), 382

downloading files, 384-385 logging in to (mirroring files), 382

FTP sites, downloading

jpeg-6b, 402 PostScript Type 1 fonts, 402

FTP_ASCII mode, 384 ftp_connect() function, 382

ftp_fget() function, 384

829

ftp_fput() function, 385

ftp_get() function, 385

ftp_login() function, 382

ftp_mdtm() function, 383

ftp_nlist() function, 386

ftp_put() function, 385

ftp_quit() function, 385

ftp_size() function, 386

full join, 219

full joins, 215

function libraries, 467

developing, 467

function libraries (PDF),

751

Web sites, 751

function libraries

(PHPBookmark

application), 501

function names, code, 464

function overloading, 134

function scope, 136

functions, 129-144

accessor functions, 153-154 add bm(), 528 addslashes(), 101, 233,

254, 336 add_quoting(), 737 aggregate (MySQL), 221 applying to array elements, 89-90

array push(), 683 array_count_values() function, 90 array_reverse() function, 84-85

array_walk() function, 89-90

arsort() function, 80 asort() function, 79-80 AVG(column), 221 basename($path), 360

basename(), 363 calculate_items(), 564-565 calculate_price(), 564 calendar functions, 399

Calendar Conversions Overview Web site, 400

PHP Web site, 400

calling, 18, 129-132

case sensitivity, 132 parameters, 130 prototypes, 130 undefined functions, 131

change password(), 520, 690

check admin user(), 669 check logged in(), 669 check normal user(), 669 check valid user(), 515 checkdate(), 396 check_auth_user(), 630 chgrp(), 364

chmod(), 364 chop() function, 97 chown(), 364 chown() function, 364 closeddir(), 359 closedir($dir), 359 code blocks, 142-143 commands, running on Web servers, 365-367 copy(), 365

cos(), 777 COUNT(items), 221 creating, object-oriented development, 160-161 crypt(), 310-311 cURL functions, 387-389

curl_init() function, 388

curl_setopt() function, 388

current() function, 88 date(), 363, 392-395

format codes, 392-394 UNIX time stamps, 394-395

date() function, 17-18 DATE_FORMAT(), 396-397

db_connect(), 513 db_result_to_array(), 552 declaring, 132-133 decoct(), 363 delete bm(), 531 delete_account(), 636 delete_message(), 648 directories, 358

creating, 361 deleting, 361 file paths, 360 reading from, 358-360

dirname($path), 360 dirname(), 363 diskfreespace($path), 360 display account form(),

673, 689 display button(), 682, 703 display information(), 684 display items(), 679 display list form(), 693 display mail form(), 696 display password form(), 689

display preview button(), 703

display registration form(), 508

display user menu(), 515 display() function, 730 display_account_form(), 633

display_account_select(), 639

functions 830

display_account_setup(),

633, 636 display_book_form(), 581-583

display_cart(), 560-563 display_categories(), 553 display_list(), 640-641 display_post(), 734 display_tree(), 724, 733-734

dl(), 453

do html header(), 669 doubleval(), 254 do_html_header(), 566, 639

draw star(), 777 drawing, parameters, 407 each(), 74-75, 88 empty(), 37 end(), 88 ereg(), 114 eregi(), 114, 373 ereg_replace(), 115 eregi_replace() , 115 escapeshellcmd(), 336, 367 eval(), 449

exec(), 366 expand_all(), 722-723 explode() function, 86-87, 102

extract() function, 91-92

extract_type parameter, 91

fclose(), 58, 359 fdf create(), 762 fdf set file(), 762 fdf set value(), 762 feof(), 60

fgetc(), 62-63 fgetcsv(), 61 fgets(), 60 fgetss(), 61

file status results, code,

362, 366-367 file(), 62 fileatime(), 363 filegroup(), 362-363 filemtime(), 363 fileowner(), 362-363 fileperms(), 363 files

creating, 364-365 deleting, 364-365 moving, 364-365 properties, changing, 364

reading, 361-364

filesize(), 63, 364 filetype(), 364 file_exists(), 63 filled out(), 510-511 flock(), 65

floor(), 399 fopen(), 52-56, 60, 359,

373, 528 fpassthru(), 62 fread(), 63 fseek(), 64 ftell(), 64 FTP functions, 378-387

filetime() function, 383 file_exists() function, 383

ftp_connect(), 382 ftp_fget() function, 384 ftp_fput() function, 385 ftp_get() function, 385 ftp_login() function, 382

ftp_mdtm() function, 383

ftp_nlist() function, 386 ftp_put() function, 385 ftp_quit() function, 385

ftp_size() function, 386 mirroring files, 379, 381-385

set_time_limit() function, 386 timeouts, avoiding, 386 uploading files, 385

fwrite(), 57

parameters, 57

get archive(), 686 get email(), 677 get random word(), 523 get unsubscribed lists(), 682

get user urls(), 515 get writer record(), 605 getdate(), 395

getenv(), 367-368 getlastmod(), 452-453 gettype() function, 36 get_accounts(), 634 get_account_list(), 637-638 get_categories(), 552 get_category_name(), 554-555

get_current_user(), 452 get_extension_funcs(), 451-452

get_loaded_extensions(), 451-452

get_magic_quotes_gpc(), 449

get_magic_quotes_ runtime(), 449 get_post(), 733-734 get_post_message(), 737 get_post_title(), 736-737 Header(), 408-409, 760 highlight_file(), 454 highlight_string(), 454 htmlspecialchars(), 336

831

htmlspecialchars() function, 233 ImageArc(), 428 ImageColorAllocate(), 406 ImageCopyResized(), 594 ImageCreate(), 405 ImageCreateFromGIF(),

406, 415 ImageCreateFromJPEG(),

406, 415 ImageCreateFromPNG(),

406, 415 ImageDestroy, 410 ImageFill(), 407 ImageFilledRectangle(), 425-427

ImageGetTTFBBox(), 416 ImageGIF(), 409

ImageLine(), 426 ImagePNG(), 409, 415 ImagePolygon(), 428 ImageRectangle(), 427 images, 428

ImageString(), 407 ImageTTFBBox(), 417 ImageTTFText(), 416, 427 IMAP function library, 619-620

imap_body(), 646 imap_delete(), 648 imap_expunge(), 648 imap_fetchheader(), 646 imap_header(), 646 imap_headers(), 643, 646 imap_open(), 642-643 implode(), 102 ini_get(), 453-454 ini_set(), 453-454 insert_order(), 570-572 intval(), 87

isset() function, 37, 140 is_uploaded_file(), 357

join(), 102 krsort() function, 80 ksort() function, 79-80 list() function, 74-75 load list info(), 685 login(), 515, 676 lstat(), 364 ltrim(), 97 mail(), 95, 525, 658 mail() function, 371 max() function, 141 MAX(column), 221 MIN(column), 221 mkdir(), 361 mktime(), 394-395, 398 myErrorHandler () function, 492 mysql connect(), 482 mysql errno(), 483 mysql error(), 483 mysql pconnect(), 483 mysql query(), 483 mysql select db(), 483 mysql_affected_rows() function, 241 mysql_close() function, 234

mysql_connect() function, 234

mysql_db_query() function, 236 mysql_fetch_array() function, 236-237 mysql_fetch_row() function, 237 mysql_free_result() function, 241-242 mysql_numrows() function, 236 mysql_pconnect() function, 234 mysql_query() function, 235-236

mysql_result() function, 237

mysql_select_db() function, 235 naming, 133-134 network lookup functions, 374-378

checkdnsrr(), 378 explode(), 377 gethostbyaddr(), 377 gethostbyname(), 376-377 getmxrr(), 376-378 parse_url(), 377

next() function, 88 nl2br() function, 97 notify password(), 523 number_of_accounts(), 637 ODBC functions, 242 opendir(), 359 open_mailbox(), 642 parameters, 134-136

pass by reference, 138-139 pass by value, 139

passthru(), 366 PASSWORD(), 311 pdf add outline(), 768 pdf begin page(), 767 pdf close(), 770 pdf fill(), 777 pdf open(), 767 pdf rect(), 775 pdf replace(), 763 pdf set info(), 767 pdf setlinewidth(), 775 pdf show xy(), 776 pdf show(), 769 pdf string width(), 776 pdf stroke(), 775 PHP environment variables, 367-368

functions 832

phpinfo(), 368, 751 posix_getgrgid(), 363 posix_getpwuid(), 363 pretty(), 685

prev() function, 88 print(), 97 printf(), 98-99 prototypes, 130 putenv(), 367-368 query select(), 609 range() function, 71 readdir($dir), 359 readdir(), 359 readfile(), 61 recommend urls(), 534 recursive functions, 143-144

register(), 511 rename(), 365 reset password(), 523 reset() function, 88 retrieve_message(), 645-647

returning from, 140 reverse sort functions, 80 rewind(), 64

rewinddir($dir), 360 rmdir(), 361 rsort() function, 80 runtime errors, 481-482 send(), 704

send_message(), 650-651 serialize(), 450-451 session_get_cookie_param s(), 432

session_is_registered(), 434

session_register(), 433 session_start(), 433, 436 session_unregister(), 434-436

set error handler() function, 492

setcookie(), 431-432 settype() function, 36 set_magic_quotes_

runtime(), 449 show_source(), 454 shuffle() function, 83-84 sin(), 777

sort() function, 79 split(), 115-116, 614 sprintf(), 98 stat(), 364 STD(column), 221 STDDEV(column), 221 store account(), 674 store list(), 694 store_account_settings(), 634-635

store_new_post(), 739-741 str replace(), 761

strcasecmp(), 105 strcmp(), 104 string case functions, 99-100

stripslashes(), 101, 233,

254, 336 strip_tags(), 336 stristr(), 107 strlen(), 105 strnatcmp(), 105 strpos(), 107-108 strrchr(), 107 strrpos(), 107 strstr(), 106-107, 528 strtok(), 102-103 strtolower(), 100 strtoupper(), 108 str_replace(), 108-109 subscribe(), 688 substr(), 103-104 SUM(column), 221 system(), 366 touch(), 365

trim() function, 96, 232 uasort() function, 82 ucfirst(), 100 ucwords(), 100 uksort() function, 82 umask(), 361 undefined functions, call-ing, 131

UNIX_TIMESTAMP, 397-398

unlink(), 63, 365 unserialize(), 451 unset() function, 37 unsubscribe(), 688 url_encode(), 374 usort() function, 80-82 valid email(), 510-511 values, returning, 141-142 variable functions, 36-38

re-interpreting variables, 37 type testing functions, 36

variable status, testing, 37

variable scope, 136-138

fwrite() function, 57

parameters, 57

G

gd documentation, Web site, 428

generating images automatically, 410 get archive() function, 686

get email() function, 677 get random word() function, 523 get unsubscribed lists() function, 682

highlight_string() function

833

get user urls() function,

515

get writer record()

function, 607

getdate() function, 395

getenv() function,

367-368

gethostbyaddr() function,

377

gethostbyname()

function, 376-377

getlastmod() function,

452-453

getmxrr() function,

376-378

gettype() function, 36

get writer record()

function, 605

get_accounts() function,

634

get_account_list()

function, 637-638

get_categories() function,

552

get_category_name()

function, 554-555

get_current_user()

function, 452

get_extension_funcs()

function, 451-452

get_loaded_extensions()

function, 451-452

get_magic_quotes_gpc()

function, 449

get_magic_quotes_run-time() function, 449

get_post() function,

733-734

get_post_message()

function, 737

get_post_title() function,

736-737

Ghostscript PostScript interpreter, 747 Ghostscript Web site, 748 GIF (Graphics Interchange Format), 404

compression, LZW (Lempel Ziv Welch), 404 downloading, Web site, 404

global privileges, 189 global scope, 136 global variables, 136 Gnu Privacy Guard (GPG), 339-347

installing, 339-342 key pairs, 340 testing, 342-347

GNU Privacy Guard Web site, 339

goods (commercial Web sites)

adding value to, 276 digital goods, providing, 275-276

taking orders for, 271-275

obstacles to potential customers, 273-275

Google Web site, 787 GPG (Gnu Privacy Guard), 339-347

installing, 339-342 key pairs, 340 testing, 342-347

GRANT command, 188-193, 246 GRANT privilege, 253 GRANT statement, 246, 255

grant table, 247, 250-251 Graphics Interchange

Format See GIF

graphing data, 419-428

graphs

data, code for drawing, 424-427

line, script for outputting, code, 405

variables, code for drawing, 423 Web sites, 428

green-button.png file, 414

Gregorian calendar, 399 GROUP BY clause, 221-222 grouping data, 220-222 guidelines, code, 463

H

h switch (add – to front) (mysql command), 186 handles (object-oriented development), 149 handshaking, 334 hash function, 296 HAVING clause, 222 Header() function, 408-409, 760 header.php, 595 headers

generating certificates, 777-778

message headers (Warm Mail application), viewing, 647 script architecture, 663

headlines.php, 596-600 HEAP table, 262 highlighting syntax, 454-455

highlight_file() function, 454

highlight_string() function, 454

host table 834

host table, 247-249

mysql database, 249

HotScripts.com Web site, 805

htaccess files (Apache Web server), basic authentication (HTTP), 316-319

HTML, 745

embedding PHP, 13-14

comments, 16-17 PHP statements, 15-16 PHP tags, 14-15 whitespace, 16

file upload, 353-354

code, 353

files, code to catch, 354-356

formatting, strings, 97 forms

file upload, 352 userfile field, 354

online newsletters, 658

HTML forms, 229

processing, 11-13

Bob’s Auto Parts application, 11-13

HTML tags, meta tags, 160

htmlspecialchars() function, 233, 336 htpasswd program (Apache Web server), 318-319

HTTP

authentication Web sites, 324

basic authentication, 312-313

401 errors, 317

in PHP, 314-315

with Apache htaccess files, 316-319 with IIS, 319-321

digest authentication, 313

HTTP (Hypertext Transfer Protocol), opening files, 55

HTTP protocol, 333

handshaking, 334 Secure Sockets Layer (SSL), 334

httpd.conf, 790 HTTPS connections, 388

I IDE (integrated develop-ment environdevelop-ments) Web sites, 469 identifiers, 21

MySQL indentifiers, 199-200

results identifiers, retriev-ing query results (Web databases), 236-237

if statements, 38 IIS (Internet Information Server)

basic authentication, 319-321

configuring with Internet Services Manager, 319-321

ImageArc() function, 428 ImageColorAllocate() function, 406 ImageCopyResized() function, 594 ImageCreate() function, 405

ImageCreateFromGIF() function, 406, 415 ImageCreateFromJPEG() function, 406, 415 ImageCreateFromPNG() function, 406, 415 ImageDestroy() function, 410

ImageFill() function, 407 ImageFilledRectangle() function, 425-427 ImageGetTTFBBox() function, 416 ImageGIF() function, 409 ImageLine() function, 426 ImagePNG() function, 409, 415

ImagePNG() functions, 415

ImagePolygon() function, 428

ImageRectangle() func-tion, 427

images

base canvas, setting up, 414-415

canvas, creating, 405-406 colors, RGB (red, green, and blue), 406 coordinates, 407 creating, 404-405

with fonts, 410-419 with text, 410-419

drawing with scripts, 405 formats, 403

GIF (Graphics Interchange Format), 404

JPEG (Joint Photographic Experts Group), 403