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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 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 |
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