D

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]

data files
    comma-separated values (CSV)
         reading
     retrieving via fgetcsv function 2nd
     writing to via fputcsv function
Data Manipulation Language (DML)
     DELETE statement 2nd
     INSERT statement 2nd
     UPDATE statement 2nd
data rules
    forms
         validation requirements 2nd
data source names (DSN)
     components 2nd
     full syntax definition
    MySQL databases
         connecting 2nd
data types
     Boolean 2nd 3rd
     double 2nd 3rd
     gettype function
     integer 2nd 3rd
     juggling 2nd
     NULL values 2nd
     numeric 2nd
     querying
     settype function
     string 2nd 3rd
         converting to integer
database abstraction [See also databases]
    PEAR DB class
         installing 2nd
         supported extensions
databases [See also database abstraction]
    data source names (DSN)
         components 2nd
         connecting 2nd
         full syntax definition
    DB class (PEAR)
         portability modes 2nd 3rd 4th
    MySQL
         changing 2nd
         closing connections
         connecting 2nd 3rd
         connection errors 2nd
         full rows of data, fetching 2nd
         hostnames
         link identifiers
         mysql extension versus mysqli extension
         queried data, fetching 2nd 3rd 4th
         selecting
         SQL statement execution 2nd 3rd 4th 5th 6th 7th 8th 9th 10th
    queries
         limiting (DB class) 2nd
    security
         escapeshellcmd function 2nd
         SQL injections 2nd 3rd 4th
    sequences
         creating (DB class) 2nd
         dropping (DB class)
    SQL errors
         debugging 2nd 3rd
date command
date formats
     converting to timestamps 2nd
     listing of
     storage overview 2nd
    Unix timestamp
         best uses
         drawbacks
         ease of use
         maximum value
         starting value
date function 2nd 3rd
     format codes 2nd
DB class (PEAR)
     connect method 2nd 3rd 4th 5th
     createSequence method
     data source names (DSN) 2nd
         components 2nd
         full syntax definition
     dropSequence method
     fetch modes
     getMessage method 2nd
     installing 2nd
     isError method 2nd
     limitQuery method 2nd
     online documentation
     portability modes 2nd 3rd 4th
    queries
         limiting 2nd
    quotation marks
         use on string values 2nd
    selected data
         retrieving 2nd
     sequences
         creating
         dropping
    SQL queries
         executing 2nd
         shortcut methods
     supported database extensions
     using in scripts
DB_PORTABILITY_ALL constant
DB_PORTABILITY_DELETE_COUNT constant
DB_PORTABILITY_ERRORS constant
DB_PORTABILITY_LOWERCASE constant
DB_PORTABILITY_NONE constant
DB_PORTABILITY_NULL_TO_EMPTY constant
DB_PORTABILITY_NUMROWS constant
DB_PORTABILITY_RTRIM constant
DB_Result object
     fetchRow method 2nd
     getAll method
     getOne method
     getRow method
     numCols method 2nd
     numRows method 2nd
debugging
     SQL errors in databases 2nd 3rd
decimal numbers
     strings
declaring
     arrays 2nd 3rd
     custom error handlers 2nd 3rd 4th
     variables
decrement (--) operator 2nd
decrement operator (--) 2nd
default argument values
     functions 2nd 3rd
default input values
    forms
         setting (dynamic HTML) 2nd
defining
     functions
         simple example 2nd 3rd
DELETE statement (DML) 2nd
desktop applications
     creating (PHP-GTK extension)
detecting
     host platforms 2nd
digit class
     characters in regular expressions
directories
    files
         changing
         viewing contents
disable_classes directive
disable_functions directive
disabling
     classes
     functions
display_errors directive
displaying
     HTTP headers 2nd
     validation warnings for forms 2nd 3rd 4th
Displaying the System Date and Time (Listing 1.1) 2nd
dissecting
    strings
         sublen function
         subpos function 2nd 3rd
         substr function 2nd
division (/) operator
do loops 2nd
dollar sign prefix ($)
     variables
double data types 2nd 3rd
double quotes
     strings 2nd
double-quoted strings
     variables 2nd
downloading
     Apache source code
    PHP
         latest version 2nd
dynamic HTML
    forms
         check boxes, checking 2nd
         default input values, setting 2nd
         menus, creating 2nd
         menus, default selections 2nd
         menus, selecting multiple items 2nd 3rd 4th
         radio buttons, creating 2nd 3rd
         radio buttons, selecting 2nd
dynamic shared objects (DSOs)
     Apache web server support 2nd 3rd