[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Z]
false (truth value)
negation operator and
return values of functions
validating form elements
fatal errors
fbsql (db_program option)
fclose( )
checking for errors from
feof( )
fetch mode
fetchRow( )
changing format of retrieved rows
retrieving data from database
fgetcsv( )
checking for errors from
fgets( )
checking for errors from
_ _FILE_ _ special constant
file_exists( )
file_get_contents( )
2nd
checking for errors from
sanitizing externally supplied filenames
file_put_contents( )
checking for errors from
return values for
file_uploads configuration directive
2nd
files
CSV
error checking in
escaping special characters
permissions
inspecting
understanding
reading
entire file
parts of
sanitizing externally supplied names
writing
entire file
parts of
Fitzgerald, Michael
Flash movies in PHP programs
floating-point numbers
arithmetic operators and
checking for, in forms
comparing
formatting rules for
truth values of
floatval( )
fopen( )
checking for errors from
modes for
for( ) loop
2nd
looping through multidimensional arrays
multidimensional numeric arrays and
numeric arrays and
foreach( ) loop
debugging programs
looping through arrays with
looping through multidimensional arrays
printing web session data and
form data
code example
2nd
floating-point numbers, checking for
inserting safely
integers, checking for
number ranges in
processing
required elements, checking
retrieving safely
sanitizing
externally supplied filenames
externally supplied form input
saving in a session
submitting
uploading files in forms
validating
form helper functions
formatted date or time strings
formatted numbers, printing
formatting strings
forms
default values, displaying
displaying
error messages, displaying
2nd
multidimensional array syntax, using in
parameters
accessing
hidden
processing with functions
Friedl, Jeffrey E.F.
2nd
FrontBase PHP extension
function keyword
functions
calling
declaring
form processing with
global vs. local variables
helper functions
2nd
multiple return statements in
passing arguments to
return values of
returning arrays from
returning values from
fwrite( )
checking for errors from
CSV files, working with
return values for
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