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[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] padding characters  parameters in forms     accessing      hidden  parse errors      fixing  passing return values to other functions  passwords     encrypted         retrieving from database          using      results of entering correct and incorrect  PATH_INFO element in $_SERVER auto-global array  paths, setting for cookies  pattern matching  [See regular expressions] pattern modifiers  PCRE (Perl-compatible regular expressions) extension      functions working with regular expressions  PDF documents, generated by PHP  PDFLib library  PEAR DB  2nd      changing format of retrieved rows      connecting to database programs      creating new objects      db_program options      functions vs. mysqli functions      generating unique IDs      installing      Mail/Mail_Mime modules      using MySQL without      placeholders feature  PEAR_ERROR_CALLBACK function  PEAR_ERROR_DIE constant  PECL packages  Perl extension for PHP  permissions, file     inspecting      understanding  pgsql (db_program option)  PHP     advantages of      basic rules of programs      database extensions      graphics generated by      PDF documents generated by      Shockwave/Flash in      SimpleXML module      usage statistics for      variables in      web browsers, web servers, and      web-hosting providers and      XML, parsing/generating  PHP Cookbook  2nd  3rd  4th  5th  PHP Extension and Application Repository  [See PEAR DB] PHP interpreter      CLI (Command-Line Interface) version of      configuration directives, modifying      connecting to database programs      debugging programs      installing on         Linux/Unix          OS X          Windows      installing/configuring      output buffering      start tags/end tags  2nd  3rd  4th  PHP Manual (online)  PHP-aware text editors  PHP-GTK functions  php.ini file  PHP_SELF element in $_SERVER auto-global array  2nd  PHPEdit text editor  phpinfo( )  PHPSESSID cookie      storing session data  placeholders feature      inserting form data safely      retrieving form data safely  POP3 servers and PHP programs  PostgreSQL PHP extension  Practical Unix & Internet Security  2nd  precedence of math operations  preg_grep( )  preg_match( )      verifying syntax of email addresses  preg_match_all( )  preg_replace( )  preg_split( )  PREG_SPLIT_NO_EMPTY constant  printf( )  2nd  printing     elements in arrays      formatted numbers      HTML forms      web session data      XML documents  process_form( )  2nd      adding data to databases      adding validated usernames to sessions      checking credit card expiration dates      constructing epoch timestamps from user data      displaying calendars      mysqli extension and      retrieving data from databases      saving form data in a session      uploading files in forms  Programming PHP  2nd  3rd  4th  properties      accessing

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