E

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z]

E_ALL constant
E_COMPILE_ERROR constant
E_COMPILE_WARNING constant
E_CORE_ERROR constant
E_CORE_WARNING constant
E_ERROR constant
E_NOTICE constant
E_PARSE constant
E_STRICT constant
E_USER_ERROR constant
E_USER_NOTICE constant
E_USER_WARNING constant
E_WARNING constant
echo command
    listings
         A Badly Formatted Script That Displays the Date and Time (1.3)
         Using echo to Send Output to the Browser (1.2) 2nd 3rd
     outputting to browser 2nd 3rd 4th
else clause
     multiple condition branches 2nd
elseif keyword
     multiple condition branches 2nd
email
    return values
         mail function example 2nd
    scripts
         creating for user comments in forms 2nd 3rd 4th
email address validation example
     regular expressions 2nd 3rd
email_validation_class (third-party) 2nd
     methods
     properties 2nd
embedding
    PHP code
         in command scripts
enable_dl function
     loading extensions on demand 2nd
enabling
     Safe Mode 2nd 3rd
environment variables
    code listings
         Using the TZ Environment Variable to Change Time (18.1) 2nd 3rd
     PATH 2nd
     putenv function
     TZ 2nd 3rd
    web servers
         $_SERVER super-global array 2nd 3rd 4th 5th 6th 7th
equality operator
     string comparisons
ereq function (PCRE) 2nd
    character sets
         testing 2nd
ereq_replace function 2nd
error handlers
    custom
         declaring 2nd 3rd 4th
     Writing a Custom Error Handler (Listing 22.1) 2nd 3rd
error_log function
     message_type argument 2nd
errors
     reporting
         constants 2nd 3rd 4th 5th
         custom error handlers 2nd 3rd 4th
         logs 2nd 3rd
         php.ini file configuration directives 2nd
         preventing display of
         user errors, raising 2nd
     suppressing 2nd 3rd 4th
escape characters
    backslash (
         strings 2nd 3rd
escapeshellcmd function
     database security 2nd
escaping
    shell commands
         host program execution 2nd
expiration times
     cookies
explicit newline characters
expose_php directive
     hiding presence of PHP 2nd 3rd
expressions
     use in variables 2nd
extensions
     configuration directives 2nd
     loading on demand 2nd
     loading on startup 2nd
external host programs
    executing
         via backticks (') 2nd
         via command strings 2nd
         via passthru function 2nd