[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][Y][Z]i format code (date() function) iconspadlock Service identical operator (===) 2nd identifiersdirective identifiersstatus codes IdentityCheck directiveconditional logging IDs (session)passing in query strings 2nd if statement if statements 2nd 3rd else clause with 2nd 3rd elseif clause with 2nd 3rd 4th example of ImageArc() function ImageColorAllocate() function ImageCreate() function ImageCreateFromGif() function ImageCreateFromJpg() function ImageCreateFromPng() function ImageDestroy() function ImageEllipse() function ImageFilledArc() function ImageFilledEllipse() function ImageFilledPolygon() function ImageFilledRectangle() function ImageGif() function ImageJpeg() function ImageLine() function ImagePng() function ImagePolygon() function ImageRectangle() function imagescreatingJPEG libraries overview 2nd PHP distribution 2nd 3rd PNG libraries RGB color values 2nd zlib libraries drawingcolor fills 2nd 3rd 4th from existing images 2nd 3rd 4th lines 2nd 3rd 4th 5th 6th pie charts 2nd 3rd 4th 5th 6th 7th 8th 9th 10th shapes 2nd 3rd 4th 5th 6th transparent images 2nd 3rd drawing newImageColorAllocate() function ImageCreate() function logging reduced transmitted data (performance) stacking 2nd 3rd in field include once() function 2nd include path directive 2nd include() functionexample listing 2nd executing PHP in another file executing PHP/assign return values files loops within control structures 2nd included filescontaining PHP code returns values 2nd incrementing integer variables 2nd 3rd 4th INDEX command index positionsarrays, creating 2nd index strings 2nd Indexesdirective value infoLogLevel directive option informationdigital certificates inheritanceobjects 2nd 3rd 4th 5th 6th INNER JOIN command INSERT command 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th insert forms Insert Record button INSERT statement 2nd INSTALL file installatingMySQLcurrent and future version information 2nd installationselecting methods binaries (installing) source code(building) installationscustom installationApache (Windows) typical installationApache (Windows) installerbinary installerApache installations (Windows) installingApacheinstallations on Windows 2nd 3rd 4th 5th 6th 7th source (UNIX) Apache (UNIX) 2nd Apache (Windows) binariesinstallation methods (selecting) MySQLon Linux/Unix 2nd 3rd 4th on Windows 2nd 3rd 4th 5th troubleshooting 2nd Open SSL library (SSL installations) OpenSSL libraryUNIX Windows 2nd PHPhelp for 2nd 3rd 4th 5th on Linux/Unix with Apache 2nd 3rd 4th 5th on Windows 2nd 3rd testing SSLmod ssl module 2nd OpenSSL library SSL (Secure Sockets Layer) instruction terminator INT data type integer data type 2nd integer variablesincrementing/decrementing 2nd 3rd 4th integratingPHPwith Apache on Linux/Unix 2nd 3rd PHP with Apache, on Windows 2nd integritycommunicationssecurity internationalizationdefined environment modifications Apache, configuration changes to 2nd MySQL, configuration changes to 2nd PHP, configuration changes to 2nd key aspects internationalization enhancements (MySQL 4.1) 2nd IP addresses control access rules reverse DNS lookups IP addresses (partial)control access rules IP-based virutal hosting irreversiblemessage digestsdigest algorithms is uploaded file() function 2nd is_dir() function is_executable() function is_file() function 2nd is_readable() function is_writable() function isset() function iterationsloopsskipping 2nd 3rd