!
negation operator in PHP, Multipurpose Pages
negation operator in PHP, Connecting to MySQL with PHP
!=
inequality operator in PHP, Control Structures
"
around strings in PHP, Variables and Operators
$_COOKIE, Cookies
$_files, Handling File Uploads, Storing Files
$_GET, User Interaction and Forms
$_POST, User Interaction and Forms
$_REQUEST, User Interaction and Forms
$_SERVER
HTTP_USER_AGENT, Viewing Stored Files
$_SESSION, PHP Sessions
%
modulus operator in MySQL, Mathematical Functions
wildcard for LIKE operator, Viewing Stored Data
&&, see and operator
''''''''
around strings in PHP, Basic Syntax and Commands
around strings in PHP, Variables and Operators
()
calling PHP functions, Basic Syntax and Commands
in regular expressions, Regular Expressions
*
in regular expressions, Regular Expressions
multiplication operator in PHP, Variables and Operators
+
addition operator in PHP, Variables and Operators
in regular expressions, Regular Expressions
-
subtraction operator in PHP, Variables and Operators
.
concatenation operator in PHP, Variables and Operators
in regular expressions, Regular Expressions
.=
string concatenation operator in PHP, Searching for Jokes
.cnf files, Working with .cnf files in Windows
.htaccess
protecting directories with, A Content Management System
/
division operator in PHP, Variables and Operators
/* */
comments in PHP, Variables and Operators
//
comments in PHP, Variables and Operators
;
on the MySQL command line, Logging On to MySQL
terminating PHP statements, Basic Syntax and Commands
<
<=
less than or equal in PHP, Control Structures
less than in PHP, Control Structures
<?= ?>
PHP expression delimiters, Multipurpose Pages
<?php ?>
PHP code delimiters, Introducing PHP, Multipurpose Pages
=
assignment operator in PHP, Variables and Operators
==
equal-to operator in PHP, Control Structures
>
>=
greater than or equal in PHP, Control Structures
greater than in PHP, Control Structures
?
in regular expressions, Regular Expressions
@
error suppression operator in PHP, Connecting to MySQL with PHP
\c
on the MySQL command line, Logging On to MySQL
\n
line feed character in PHP, Searching for Jokes
\r
carriage return character in PHP, Searching for Jokes
\t
tab character in PHP, Searching for Jokes
||, see or operator