[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] each( ) function 2nd echo command 2nd echo( ) function efree( ) function EG (Executor Globals) EGPCS (environment, GET, POST, cookie and server) variables aliases for controlling with variables_order directive EGPCS (environment, GET, POST, cookie, and server) variables element handlers elements, array checking whether element exists filtering from getting number of idenfitying removing and inserting trversing else clause functions for IMAP, POP, and NNTP extension vpopmail extension emalloc( ) function embedding fonts in PDF files PHP in web pages ASP tags, using echoing content directly script style SGML tags, using XML-compliant tags, using empty arrays, constructing empty expressions empty( ) function encapsulation encoding SQL strings according to URL conventions strings, C language encryption (mcrypt extension) end element handler end( ) function 2nd end-of-file handling on Unix and Windows end-of-line handling, on Unix and Windows endif keyword entities HTML translation tables for 2nd HTML, converting string characters into XML external environment variables 2nd $HTTP_ENV_VARS array server setting variables_order directive in php.ini equality (==) operator equivalence class ereg( ) function 2nd ereg_replace( ) function 2nd 3rd eregi( ) function 2nd eregi_replace( ) function error handling defining error handlers formating and printing errors (example) logging in output buffering logging error messages to system log reporting errors reverting to prior handler setting error handler suppressing errors triggering errors 2nd error suppression (@) operator error_log( ) function 2nd logging session errors error_reporting( ) function 2nd errors checking databasees for functions for warnings about, disabling public visibility of XML escape sequences in double-quoted strings 2nd in single-quoted strings removing from strings escapeshellarg( ) function 2nd escapeshellcmd( ) function escaping special characters in shell commands eval( ) function, security risks of event-based XML parsing Excel accessing data with ODBC PHP configuring DSN with ODBC PHP limitations as database reading and writing files with PHP COM Exchange Image File Format (EXIF) extension Exchangeable Image File Format (EXIF) extension exec( ) function security risks with shell commands execute( ) method executeMultiple( ) method execution (`) operator execution time, optimizing Executor Globals (EG) EXIF extension 2nd exit statements exp( ) function expiration, PHP session ID cookies Expires header explode( ) function 2nd expressions autoincrementing and autodecrementing empty in for loop ternary conditional operator, using on extends keyword Extensible Markup Language [See XML] Extensible Stylesheet Language [See XSL] Extensible Stylesheet Language Transformations [See XSLT] extension_loaded( ) function extensions 2nd Apache aspell BCMath bzip2 compression calendar CCVS clibpdf close or shutdown function, triggering resource cleanup COM ctype library CURL Cybercash CyberMUT dBase DBM dbx DOM XML dynamically loading EXIF (Exchange Image File Format) EXIF (Exchangeable Image File Format) FDF (Forms Data Format) filePro FriBiDi FTP functions provided by, getting GD graphics library gettext GNU MP iconv IMAP, POP, and NNTP Imlib2 Informix Ingres II databases InterBase IRC gateway Java Kerberos loaded, getting names of mhash Microsoft SQL Server Ming library (Flash movies) mnoGoSearch MySQL ODBC Oracle Ovrimos SQL checking whether installed PDFlib PEAR DB 2nd accessing databases with 2nd class and object methods database performance and getting data from query results for PHP on Windows platform-specific PostgreSQL pspell Readline Recode Satellite CORBA Client shmop SNMP sockets SWF (Shockwave Flash) Sybase System V Semaphores and Shared memory vpopmail WDDX writing in C for PHP architectural overview command-line PHP compiling config.m4 file creating variables developers mailing list external dependencies function return values global variables INI entries memory management functions parameter handling PHP source code, downloading latest planning pval/zval data type references resources skeleton extension, creating and fleshing out software tools testing XML parser xmlrpc documentation, web site XSLT 2nd YAZ YP/NIS Zend ZIP files external XML entities parsing extract( ) function 2nd extracting multiple values from arrays |