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PHP MySQL Create Database and Tables [ Share ,Read] |
The free MySQL database is
very often used with PHP. Before you can access data in a database, you must create a connection to
the database.
In PHP, this is done with the mysql_connect() function. A database holds one or multiple tables. The CREATE DATABASE statement is used to create a database in MySQL. |
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PHP MySQL Introduction [ Share ,Read] |
MySQL is the most popular open-source database system.
MySQL is a database.
The data in MySQL is stored in database objects called tables.
A table is a collection of related data entries and it consists of columns
and rows.
Databases are useful when storing information categorically. |
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PHP FILTER FUNCTIONS [ Share ,Read] |
One of the greatest strengths of PHP is its ease of use. Unfortunately this same benifit has worked against PHP as many new coders have forgotten any security measures or lack the expertise to create a class to validate their variables from end users. PHP provides an extension to help with this process. There are many validation classes out there, some better than others, with an equal number of methods for doing the same task. The PHP filter extension has many of the functions needed for checking many types of user input. Handled locally this provides a standard method of filtering data. This makes for easier to read code as we will all be using the same functions rather than having to create our own. This will bring PHP security to fore with programmers able to easily implement simple, yet robust, filtering of data
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PHP Filesystem Functions [ Share ,Read] |
The filesystem functions provide a wide range of tools to
access and manipulate the filesystem.
PHP's filesystem
functions provide a fairly broad range of functionality.
All the standard functions that programmers expect are
included - opening, reading, and writing files; querying
the filesystem; changing permissions; copying and
deleting files; etc. Many of these functions have been
transparently extended to work with HTTP and FTP
resources, allowing easy reading of remote files.
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PHP Error and Logging Functions [ Share ,Read] |
The error and logging functions allows error handling and logging.
The error functions allow users to define error handling rules, and modify
the way the errors can be logged.
The logging functions allow users to log applications and send log messages
to email, system logs or other machines. |
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PHP Directory Functions [ Share ,Read] |
The directory functions allow you to retrieve information about directories
and their contents.
The directory functions are part of the PHP core. There is no installation
needed to use these functions.
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PHP DATE AND TIME FUNCTIONS [ Share ,Read] |
The date/time functions allow you to extract and format the date and time on
the server.
The date/time functions are part of the PHP core. There is no installation
needed to use these functions.
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PHP Calendar Functions [ Share ,Read] |
| The calendar functions are useful when working with different calendar formats. The standard it is based on is the Julian
day count (Julian day count is a count of days starting from January 1, 4713 B.C.).
Note that the Julian day count is not the same as the Julian calendar! |
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PHP Math Functions [ Share ,Read] |
Mathematics ( or math ) functions are frequently used in our scripts.
There are PHP math functions to take care of addition subtraction
multiplication and many other mathematical requirements.
We will discuss these math functions and try to develop some sample
codes on these to further understand on how to use these functions.
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PHP Beginner Functions [ Share ,Read] |
PHP supports eight primitive types.
Four scalar types:
Two compound types:
And finally two special types:
This manual also introduces some pseudo-types for readability
reasons:
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