Sams Teach Yourself PHP, MySQL and Apache All in One (3rd Edition)

Index

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%e format string option (DATE FORMAT() function)

%e formatting directive

each() function, arrays

echo() function

echo() statements 2nd

editors

     HTML

     PHP code

ellipses

     ImageEllipse() function

     ImageFilledEllipse() function

else clauses 2nd

elseif clauses

email fields, subscribers tables (mailing lists)

email tables, online address books

emailChecker() function

ENCRYPT argument

encryption

     decryption

     encryption keys

     passwords, user management (file-based authentication)

     SSL protocols

end tags 2nd

ENUM data type

$ENV superglobal

environment modifications, internationalization

environment variables

     access control rules

     conditional logging

equal sign (=)

     assignment operators 2nd

     equal to operators (=)

     equivalence operators (==)

     identical operators (===)

ErrorLog directive, logging errors

errors

     fatal errors, dividing numbers by zero

    logs

         Apache log files

         ErrorLog directive

         files

         LogLevel directive

         monitoring

         programs

         syslog daemon (Unix)

    messages

         Access denied

         Can't connect to server

         mysql error() function

     MySQL authentication process

escapeshellarg() function

escapeshellcmd() function

evaluating control access rules

events

     calendars, adding to

     error logs, recording in

exclamation mark (!), not operators

exec() function, running commands with 2nd

exit statement

expiration dates, cookies 2nd

EXPLAIN command

explode() function, breaking strings into arrays

expressions [See also operators.]

     defined

     subexpressions

external processes, operating system scalability