MySQL /PHP Database Applications Second Edition phần 6 docx

... within the MySQL database. But even when you’re using MySQL you are sometimes better off using the file system for storage. Images (.jpegs, .gifs, .pngs) are a perfect example. Even if your database ... ‘dsn:’.var_export($dsn,TRUE).”\n” 366 Part IV: Not So Simple Applications ( user_id integer not null auto_increment , username varchar(20) not null , password varchar( 16) not null ,...

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... the customer_id — exists in the database already and when none of the information 466 Part IV: Not So Simple Applications entered into the form conflicts with anything that’s in the database. If that’s so, ... tinyint not null auto_increment , status varchar(20) not null , primary key (status_id) 4 46 Part IV: Not So Simple Applications ◆ First, you can append the session identifier...

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... PHP page. Introduction xxxv MySQL ® /PHP Database Applications, Second Edition Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 462 56 www.wiley.com Copyright © ... . . . . . . . 65 9 Appendix H Helpful User-Defined Functions . . . . . . . . . . . . . . 66 9 Appendix I PHP and MySQL Resources . . . . . . . . . . . . . . . . . 69 1 Appendix J...

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... Francisco’,’CA’,’94118’,2002 062 613 462 5); INSERT INTO users (userid, fname, lname, addr, addr2, city, state, zip, lastchanged) VALUES (2,’Brad’,’Bulger’, 66 6 6th St’,’apt 17’,’San Francisco’,’CA’,’941 16 ,2002 062 6134704); INSERT ... people who signed up on June 26, 2002, you could use this query: select * from users where lastchanged between 2002 062 6000000 and 2002 062 6235959; 70 Par...

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... halve($var) { return $var / 2 ; } $half = array_map(“halve”, array( 16, 8772, 566 , 100)); now $half contains: Array ( [0] => 8 [1] => 43 86 [2] => 283 [3] => 50 ) 158 Part II: Working with PHP This ... used in the applications in this book. DATE() You can use this function and the indicators outlined next to return the date and time. string date (string format [, int timestamp...

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... mysql_ dbconnect() { $link = @mysql_ connect(‘localhost’,’nobody’,’ydobon’); if ($link === FALSE) { $private_error = mysql_ dbconnect: could not open connection to mysql: ’ .’<li>errno:’ .mysql_ errno() .’<li>error:’ .mysql_ error() ; error_log($private_error, ... (! @mysql_ select_db(‘guestbook2k’)) { $private_error = mysql_ dbconnect: could not select guestbook database: ’ .’...

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... 1)”; } The MySQL to_days() function returns an integer of the number of days since January 1, 1000. dayofweek() returns an integer representing the day of the week 2 96 Part III: Simple Applications FUNCTIONS ... my_query($query); list($user_id, $winner_email, $weekdate) = mysql_ fetch_row($result); mysql_ free_result($result); 304 Part III: Simple Applications Figure 10-1: List of t...

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... CD-ROM APPENDIX B HTML Forms APPENDIX C Brief Guide to MySQL/ PHP Installation and Configuration APPENDIX D MySQL Utilities APPENDIX E MySQL User Administration APPENDIX F PHP Function Reference APPENDIX ... you’ll find on the CD. Example applications To get the applications in Sections III and IV working you first need to install Apache, PHP, and MySQL. You can find these applica...

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... data) cybercash_base64_encode(string string base64 encode data for data) CyberCash cybercash_base64_decode(string string base64 decode data for data) CyberCash Appendix F: PHP Function Reference 64 3 TABLE ... Reference 63 5 TABLE F-1 MYSQL FUNCTIONS (Continued) Function Return Value Action mysql_ field_seek(int result, bool Sets the result pointer to a int field_offset) specific fie...

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... substring_index(‘mysqlfunctionsmysql’, ‘fu’, 1); + + | substring_index(‘mysqlfunctions’, ‘fu’, 1) | + + | mysql | + + 1 row in set (0.00 sec) mysql& gt; select substring_index(‘mysqlfunctionsmysql’, ‘fu’, ... Value SECOND Seconds SS MINUTE Minutes MM MINUTE _SECOND Minutes and seconds MM:SS HOUR Hours HH HOUR _SECOND Hours, minutes, seconds HH:MM:SS HOUR_MINUTE Hours and minutes HH:MM...

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