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Index: F

fieldError( ): 8.4.3.2. Displaying error messages
8.4.3.2. Displaying error messages
files, uploading and inserting into databases: 6.1.2. Uploading and Inserting Files into Databases
filesize( ): 6.1.2. Uploading and Inserting Files into Databases
float functions: 2.9. Integer and Float Functions
floating-point numbers: 2.8.1. Generating a Timestamp
floats: 2.1.3. Types
floor( ): 2.9.2. Ceiling and Floor
flush( ): 2.12.1. A Page That Produces Partial or No Output
fopen( ): 6.1.2. Uploading and Inserting Files into Databases
for loop: 2.3.3. for
foreach loop: 2.3.4. foreach
using arrays with: 2.5.2. Using foreach Loops with Arrays
<form>
for client entry: 8.4.1. Improving the Client Entry <form>
(see also client entry <form>)
for database writes: 6. Writing to Web Databases
6.1.3.2. Inserting data
for login page: 9.4.3.2. Login page
prefilling data and: 7.3.2.2. Prefilling <form> data with JavaScript calculations
processing data and: 7.2.2. Processing <form> Data on the Server Side
validating data and: 7.3.1. Validating <form> Data with JavaScript
<form> validation function: 7.3.1.2. Case study: A password <form> validation function
formatted output, creating: 2.6.2.1. Creating formatted output with sprintf( ) and printf( )
formatting
dates: 2.8.2. Formatting a Date
strings: 2.6.2. Printing and Formatting Strings
fread( ): 6.1.2. Uploading and Inserting Files into Databases
front-page panel: 4.3. Case Study: The Front-Page Panel
functions (for other databases): 4.4. Interacting with Other DBMSs Using PHP
functions (PHP): 2.7.2. Regular Expression Functions
for accessing sessions: 8.3.5. Functions for Accessing Sessions in PHP
array: 2.5.4. Basic Array Functions
for database modifications: 6.1.3. Inserting, Updating, and Deleting Data
exponential: 2.9.6. Powers and Logs
float: 2.9. Integer and Float Functions
integer: 2.9. Integer and Float Functions
logarithmic: 2.9.6. Powers and Logs
for MySQL: 4.1.2. Essential Functions for Accessing MySQL with PHP
error handling and: 4.1.4. Error Handling of MySQL Database Functions
functions to avoid: 4.1.3.3. Functions to avoid
passing variables to: 2.10.3. How Variables Are Passed to Functions
regular expression: 2.7.2. Regular Expression Functions
reusing: 2.10.4. Reusing Functions with Include and Require Files
support: D.3.2.1. Support functions
user-defined: 2.10. User-Defined Functions
functions (SQL): 3.9. Functions


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