Use these handy PHP Tutorials as a learning tool or as a reference guide for solving everyday common PHP programming tasks.

USING THESE SCRIPTS - Clicking each link below will display the PHP source code for that example script at the top of this page. You are welcome to download all of these PHP scripts freely.

STRINGS

• Validating Logins by Comparing Strings
• Check Non-empty, Get Int Value, Check Email
• Validating Mandatory Input Example
• Checking Logins Using SHA1 and MD5 Hashes
• Compare Strings
• Replacing Matches Using POSIX
• Checking Logins Using an Encrypted Password
• Searching in String Using POSIX Regex
• Finding Miltiple Matches in String Using PCRE
• Escaping Strings for HTML
• Adding < br/> Elements at Every Line Break
• Finding All tags Using Non-Greedy PCRE
• Searching in String Using PCRE
• Scanning Formatted Strings Alternative
• Replacing Matches Using PCRE
• Printing Strings, Variables, and Expressions
• Protecting Email Addresses
• Scanning Formatted Strings
• Replacing Without Regular Expressions
• Removing All HTML Tags
• Finding the Position of Substring using strpos()
• Extracting a Substring Using substr()
• Getting Detailed Information About Variables

• Recursivly Applying htmlspecialchars() to All Elements of a Nested Array
• Filter Valid Email Addresses
• Applying htmlspecialchars() to All Elements of an Array
• Sorting an Array with Language-Specific Characters
• Picking Random Elements Out of an Array
• Printing Array Elements Using array_walk() and a Counter Passed by Reference
• Looping Through an Associative Array with each()
• Looping Through an Array with list() and each()
• Looping Through an Array with each()
• Looping Through an Array with for
• Looping Through an Associative Array with foreeach
• Looping Through an Array with foreach
• Sorting a Nested Array Using a Recursive Function
• Sorting IP Addresses Using a Natual Order String Comparision
• Printing a Nested Array with print_r()
• Sort an Array
• Printing a Nested Array Using a Recursive Function
• Sort an Associative Array
• Sorting a Nested Associative Array Using a Recursive Function

• Create Self-updating Form Fields for Date Selection
• Benchmarking Code Using microtimestamp()
• Validating Date Information
• Using Ordinary Charaters in date()
• Selecting a Date Using an HTML Form
• Localizing Dates Manually
• Create a Timestamp Using mktime()
• Display a Relative Date 30 Days From Today
• Localizing Dates Using strftime()
• Converting a String into a Date
• The Difference Between Two Dates
• Converting a Date into Timestamp

• Validating Multiple Lists
• Prefilling Check Boxes with Cookie Data
• Prefilling Check Boxes
• Sending Form Data Via Email
• Writing Form Data into a File
• Set/Get Data into a Cookie Functions
• Processing Graphical Submit Buttons
• Prefilling Multiple Selection Lists with Cookie Data
• Validating Lists
• Validating Mandatory Fields
• Prefilling Radio Buttons with Cookie Data
• Prefilling Radio Buttons
• Saving Form Data in a Cookie
• Prefilling Select Lists with Cookie Data
• Prefilling Multiple Selection Lists
• Prefilling Select Lists
• Prefilling Text Fields with Cookie Data
• Checking Wheather a Form Has Been Submitted
• Prefilling Text Fields
• Stripping Slashes, If they Were Added by Magic Quotes
• Prefilling Multiline Text Fields with Cookie Data
• Prefilling Multiline Text Fields
• Moving an Uploaded File to a New Location
• Displaying Information About Uploaded Files

• Authenticate User Session (HELPER FILE)
• Saving Multiple Data in One Cookie
• Checking Whether the Browser Supports Cookies
• Delete a Cookie
• Saving Multiple Data in One Cookie (Helper File)
• Reading Out Cookie
• Using HTTP to Secure PHP Pages
• Checking the User Credentials
• Redirecting the User Based on Language Preference
• Saving the User's Language Preference to a Cookie
• Authenticate User Session (DEMO FILE)
• Session Start
• Changing the Session ID
• Session Destroy
• Removing Magic Quotes from Cookies
• Set the Domain for a Cookie
• Set a Cookie with a Relative Expiry Date
• Set a Cookie with a Specific Expiry Date

Technical Note: The ability for any of the source code files below to write or modify any file on our server has been disabled. We have comment out that particular section of code. You must uncomment this code before using these scripts with your web site.

• Sending a File's Contents to the Browser, Line-by-line
• Copying, Moving, and Deleting Files
• Reading a Directories Contents
• Reading CSV Date from a File
• Reading Information About a File
• Writing CSV Information to a File
• Writing to files, backward compatible technique
• Sending a File with HTTP
• Determining Directory Name and Filename
• Sending the Contents of a File to the Browser Using Output Buffering
• Zipping and Unzipping a File

Use these handy resources to grow and expand your developer skills.

• AJAX Tutorials
• Build Your Own Database Driven Website Using PHP & MySQL
• AJAX Javascript Libraries / Frameworks
• PHP & MySQL Web Development Books
• Optimized URL Parsing for Better Search Engine Results in Database Driven Web Sites
• HTML Utopia: Designing Without Tables Using CSS

Use these handy resources to grow and expand your designer skills.

• Designing color schemes for your web site
• Hexidecimal Web Color Chart
• Top Ten Web Designer Tips

We have compiled one of the largest AJAX development reference lists out there. There are over 50 libraries and frameworks available with descriptive commentary about each available resource.

The following category groups are available:

• Pure JS Application libraries / Frameworks
• PHP based AJAX Frameworks
• Javascript libs for Flash
• Java based AJAX Frameworks

Also check out our listing of more than 30 AJAX tutorials.

AJAX NEWS a daily dose of the world of Ajax.

Source: Fresh Content.net

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