Index: E
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Index: E
- each( )
- array values and: 6.9.3. Discussion
- sparsely filled arrays: 4.24.3. Discussion
- using with list( ) and while loops for array iteration: 4.5.2. Solution
- ECB (Electronic Code Book) mode: 14.8.3. Discussion
- echo: 18.19.3. Discussion
- elapsed time
- between two dates: 3.6.1. Problem
- execution time for each line of PHP code: 8.26.3. Discussion
- since epoch, high precision times: 3.14.3. Discussion
- Electronic Code Book (ECB) mode: 14.8.3. Discussion
- elements
- array (see arrays)
- HTML, with multiple options (in forms): 9.11.1. Problem
- XML
- creating new for document: 12.3.3. Discussion
- nodes: 12.3.3. Discussion
- searching DOM tree for: 12.4.3. Discussion
- ellipses, drawing: 15.3.2. Solution
- filled: 15.3.3. Discussion
- email
- encrypting with GPG: 14.12.1. Problem
- sending: 17.2.1. Problem
- text addresses, converting to mailto: hyperlinks: 13.1. Introduction
- web-based client for: 17.4.1. Problem
- email addresses
- comments embedded in: 13.6.3. Discussion
- hiding from address-harvesting robots: 8.13.3. Discussion
- matching valid with regular expressions: 13.6.1. Problem
- "do not send" list: 17.2.3. Discussion
- RFC 822-compliant address parser in IMAP extension: 13.6.3. Discussion
- emphasized text, using <b> or <i> HTML tags: 18.17.3. Discussion
- empty set: 4.25.3. Discussion
- empty strings
- assigning as default function parameter value: 6.3.3. Discussion
- assigning to array elements: 4.6.3. Discussion
- error messages: 6.3.3. Discussion
- empty variables, unset variables as: 5.1. Introduction
- enable-ftp: 17.7.3. Discussion
- encoding
- base64 encoding: 14.3.1. Problem
- format strings for: 1.14.3. Discussion
- HTML entities: 11.10.2. Solution
- in HTML-formatted RSS item: 12.5.3. Discussion
- pc_encode( ): 9.4.3. Discussion
- URL: 8.9.2. Solution
- variables and values into textual form: 5.8.2. Solution
- encryption: 14.1. Introduction
- checking password strength: 14.6.1. Problem
- email, encrypting with GPG: 14.12.1. Problem
- encrypting/decrypting data, algorithms for: 14.8.1. Problem
- listing of mcrypt algorithms: 14.8.3. Discussion
- keeping passwords out of site files: 14.2.1. Problem
- lost passwords, dealing with: 14.7.1. Problem
- mcrypt library: 14.1. Introduction
- mhash module, hash algorithms: 14.4.3. Discussion
- obscuring data with encoding: 14.3.1. Problem
- one-way: 14.1. Introduction
- sharing encrypted data with another web site: 14.10.1. Problem
- SSL: 14.11.1. Problem
- storing encrypted data in file or database: 14.9.1. Problem
- storing passwords: 14.5.1. Problem
- verifying data with hashes: 14.4.1. Problem
- end-of-string identifier: 1.1. Introduction
- end tags, PHP: 18.14.3. Discussion
- end_element( ): 12.5.3. Discussion
- entities, HTML: 8.9.3. Discussion
- encoding: 11.10.2. Solution
- encoding for HTML-formatted RSS item: 12.5.3. Discussion
- encoding in user-entered data: 9.9.3. Discussion
- $_ENV superglobal array: 8.21.3. Discussion
- 9.1. Introduction
- environment variables
- HOME and USER, setting for GPG: 14.12.3. Discussion
- HTTP_USER_AGENT: 8.8.3. Discussion
- LC_ALL: 16.4.3. Discussion
- ORACLE_SID: 10.1. Introduction
- reading: 8.21.1. Problem
- setting: 8.22.1. Problem
- storing passwords in: 14.2.2. Solution
- epoch timestamps: 3.1. Introduction
- 19.2.3. Discussion
- altering by amount of time zone's offset from UTC: 3.13.3. Discussion
- converting human-readable date and time strings to: 3.10.2. Solution
- converting Julian days to/from: 3.11.3. Discussion
- converting to/from time and date parts: 3.3.1. Problem
- cookies expiration times and: 8.2.3. Discussion
- finding difference between: 3.6.2. Solution
- localtime( ), use of: 3.2.3. Discussion
- equality operator (==): 4.12.3. Discussion
- ereg( ): 3.10.3. Discussion
- ereg functions: 13.1. Introduction
- converting to preg: 13.2.1. Problem
- escaping metacharacters: 13.9.1. Problem
- preg functions vs.: 13.1. Introduction
- eregi( ) case-insensitive matching: 13.2.2. Solution
- ereg_replace( ): 13.2.3. Discussion
- error handling
- custom error handler, using: 8.17.1. Problem
- eliminating "headers already sent" errors: 8.19.1. Problem
- error types, listing of: 8.16.3. Discussion
- HTML errors, disabling: 8.24.3. Discussion
- logging program errors: 8.18.1. Problem
- _ _FILE_ _ and _ _LINE_ _ constants: 8.18.3. Discussion
- reporting levels: 8.16.3. Discussion
- tuning by altering error-logging sensitivity: 8.16.1. Problem
- error messages
- default or empty: 6.3.3. Discussion
- hiding from users: 8.15.1. Problem
- error_log( ): 8.18.2. Solution
- error_reporting( ): 8.16.2. Solution
- errors
- database, logging: 10.11.1. Problem
- classes for: 10.11.3. Discussion
- functions with identical names: 6.1. Introduction
- Getopt_Error class: 20.3.3. Discussion
- logging: 6.11.3. Discussion
- misspelling parameter names: 6.5.3. Discussion
- standard error, reading from a program: 18.24.1. Problem
- writing to standard error: 18.19.3. Discussion
- escape sequences, string: 1.1. Introduction
- escapeshellarg( ): 18.21.2. Solution
- 19.12.3. Discussion
- escaping: 18.21.1. Problem
- HTML entities: 8.9.3. Discussion
- 11.10.2. Solution
- metacharacters in regular expressions: 13.9.1. Problem
- quotes in query data: 10.10.1. Problem
- regular expression pattern delimiters: 13.2.3. Discussion
- SQL and shell globbing wildcards: 10.10.3. Discussion
- user-entered data on HTML page: 9.9.1. Problem
- European languages, characters for: 16.12.3. Discussion
- E_USER_ERROR: 10.11.3. Discussion
- E_USER_NOTICE: 10.11.3. Discussion
- E_USER_WARNING: 10.11.3. Discussion
- eval( ): 7.13.2. Solution
- event-based parsing: 12.5.3. Discussion
- Event Log (Windows NT): 8.15.3. Discussion
- exclusive locks: 18.25.3. Discussion
- execute( ): 10.7.3. Discussion
- execute( ) (DB): 10.7.2. Solution
- 10.8.2. Solution
- execute permission: 19.1. Introduction
- executeMultiple( ) (DB): 10.8.3. Discussion
- exp( ): 2.9.2. Solution
- expat library: 12.5.3. Discussion
- processing an RSS feed and transforming to HTML: 12.5.3. Discussion
- WDDX, use with: 12.11.3. Discussion
- expiration time for cookies: 8.2.3. Discussion
- past, for deleting cookies: 8.4.2. Solution
- explode( )
- bar chart graphic, sizing lines: 15.10. Program: Generating Bar Charts from Poll Results
- comma-separated data and: 1.10.3. Discussion
- generating time parts with date: 3.5.3. Discussion
- parsing hash from cookie value: 14.4.3. Discussion
- splitting on strings instead of regular expressions: 13.10.3. Discussion
- strings, breaking into pieces: 1.12.2. Solution
- exponents: 2.3.3. Discussion
- 2.9.1. Problem
- expressions
- between { and }, evaluating: 5.5.3. Discussion
- interpolating within strings: 1.8.1. Problem
- extended regular expressions (see ereg functions regular expressions)
- extending classes: 7.1. Introduction
- extends keyword: 7.1. Introduction
- extensions
- DOM XML: 12.3.2. Solution
- parsing XML: 12.4.2. Solution
- encryption functions: 14.1. Introduction
- FTP: 17.7.1. Problem
- GD: 15.1. Introduction
- 15.1. Introduction
- (see also GD library)
- gettext: 16.11.1. Problem
- getting configuration variables for: 8.23.3. Discussion
- IMAP: 13.6.2. Solution
- 17.4.2. Solution
- LDAP: 17.8.2. Solution
- mcrypt: 14.8.2. Solution
- PHP Extension and Application Repository (PEAR): 21.1. Introduction
- PHP-GTK: 20.1. Introduction
- 20.6.3. Discussion
- Readline: 20.4.2. Solution
- WDDX: 12.11.2. Solution
- XML: 12.1. Introduction
- XML-RPC: 12.7.2. Solution
- xmlrpc-epi: 12.7.2. Solution
- XSLT: 12.6.2. Solution
- zip: 18.27. Program: Unzip
- zlib: 18.26.2. Solution
- extensions, filename: 19.5.3. Discussion
- external programs, running: 18.21.3. Discussion
- passing input to: 18.22.1. Problem
- ext/standard/parsedate.y: 3.10.3. Discussion
Symbols & Numbers
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