PHP MySQL - Stilson.net

• INDEXwww.it-ebooks.infoPHP (cont.)converting timestamps to userfriendlyvalues, 275current time, 274formatting dates and times, 271–274timestamps, 276–277validating dates, 270documentation for, 11–12downloading, 10–11featurespossibilities, 7power, 6practicality, 5–6price, 7features not supported by, 159–160file-based authentication, 308–309functionsalternatives to backticks, 255determining if variables are set withisset( ), 306–307executing shell commands withbackticks, 254executing system-level commands,253PHP authentication methodologies,307retrieving system command'sresults, 253–254returning binary outputs, 254sending HTTP headers with header(), 306hard-coded authentication, 307hidingchanging document extensions, 432expose_php, 431removing all instances of phpinfo( )calls, 431–432history ofoverview, 1PHP 4, 2–3PHP 5, 3–4PHP 5.3, 4–5PHP 6, 5initializing logging facility, 180installing on Linux, 12–13installing on Windows, 13–16scriptsoverview, 340PEAR, Mail and Mail_Mime, 341–344sending attachments, 344sending plain-text e-mails, 340testing installation, 16–18tying functions into, 382uploading witherror messages, 324file_uploads directive, 320file-upload functions, 322–324max_file_uploads directive, 321max_input_time directive, 320–321memory_limit directive, 321post_max_size directive, 321upload_max_filesize directive, 321upload_tmp_dir directive, 321–322and Web forms, 287–289and Zend FrameworkCakePHP framework, 460overview, 459Solar framework, 460symfony framework, 460–461Zend Framework, 461PHP 5.1+calculating difference between dates,286DateTime constructor, 284formatting dates, 284modifying dates and times, 285overview, 283setting date after instantiation, 284–285setting time after instantiation, 285PHP 5.3, 4–5PHP 6, 5PHP Data Objects (PDO). See PDO (PHPData Objects)PHP Development Tools (PDT), 38php statement, in Smarty, 403–404PHP with MySQLaffected_rows( ) method, 599executing database transactionsautocommit( ) method, 605commit( ) method, 605rollback( ) method, 605–606mysqli extensionconnection error handling, 591connection opening and closing,590–591enabling on Linux/Unix, 588enabling on Windows, 588error codes, 591–592error messages, 592securing connection information,593–594768