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Index

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scope
     variables 2nd 3rd 4th
SCRIPT FILENAME
SCRIPT NAME
scripts
     breaking up
     commenting 2nd 3rd 4th
     creating 2nd
     creating PHP scripts 2nd 3rd 4th
     enclosing PHP scripts
     mixing PHP and HTML 2nd 3rd 4th 5th
     running PHP scripts 2nd
     troubleshooting PHP scripts that won't run 2nd 3rd
SELECT statements
semicolons (
     )
sending
     email 2nd 3rd 4th 5th
         with attachments 2nd 3rd
         with headers 2nd 3rd
sensitive characters
     printing
SERVER ADMIN
SERVER NAME
SERVER PORT
SERVER PROTOCOL
SERVER SIGNATURE
server variables 2nd 3rd 4th
sessions 2nd 3rd 4th
     creating hit counters 2nd 3rd
     removing data from 2nd 3rd 4th
     retrieving data 2nd
     storing data 2nd
     without cookies 2nd 3rd 4th
set name 2nd 3rd
setcookie
SEVER SOFTWARE
short tags
SHOW DATABASES
SHOW TABLES
sin (sine)
sine (sin)
sinh (hyperbolic sine)
skipping
    interactions
         with continue statements 2nd
sort
sorting
     arrays 2nd 3rd 4th
    data
         in databases 2nd 3rd
special characters
     for formatting text in double quotes
splitting
     arrays 2nd 3rd
sprintf
SQL (Structured Query Language) 2nd 3rd 4th
SQL DELETE
sqrt (square root)
square root (sqrt)
srand
statements
    continue statements
         skipping interactions 2nd
     DELETE
     do while
     doÉwhile
     echo 2nd 3rd 4th
     else 2nd 3rd 4th 5th
     elseif 2nd 3rd 4th
     flow control statements
     for 2nd
     foreach 2nd
     if 2nd 3rd
     if statements 2nd 3rd 4th
     return statement
     SELECT
     SQL DELETE
     switch 2nd 3rd 4th
     switch statements 2nd 3rd
     UPDATE
     while 2nd
static variables 2nd 3rd 4th
storing
     session data 2nd
string
     interpolating variables 2nd 3rd 4th
string functions 2nd 3rd 4th
     chr
     strim
     strlen
     strpos
     substr
     substr replace
     ucfirst
string operators 2nd
strings
     converting to and from 2nd 3rd
     delimiting
     formatting 2nd 3rd 4th
     validating data 2nd
strip tags function
strlen
strpos
Structured Query Language [See SQL]
submitting
    data
         in forms
substr
substr replace
superglobal arrays
     $ SERVER
support
     for databases in PHP 2nd 3rd
switch statement 2nd 3rd 4th
switch statements 2nd 3rd
syntax
     alternative syntax