PHP Phrasebook

Christian Wenz is professional developer, trainer and consultant with a focus on web technologies. He frequently contributes articles to renowned IT magazines and speaks at conferences around the world. Christian is Germany's very first Zend Certified Professional and contributes to several PHP packages in the PEAR repository. Christian has written or contributed to several books on PHP and related technologies, including PHP 5 Unleashed.

    Introduction

1. Manipulating Strings.

    Comparing Strings

    Checking Usernames and Passwords

    Converting Strings into Hypertext Markup Language (HTML)

    Using Line Breaks

    Encrypting Strings

    Checksumming Strings

    Extracting Substrings

    Protecting Email Addresses Using ASCII Codes

    Scanning Formatted Strings

    Getting Detailed Information About Variables

    Searching in Strings

    Using POSIX Regular Expressions

    Using Perl-Compatible Regular Expressions

    Finding Tags with Regular Expressions

    Validating Mandatory Input

    Validating Numbers (and Other Data Types)

    Validating Email Addresses

    Search and Replace

2. Working with Arrays.

    Accessing All Elements of Numerical Arrays

    Accessing All Elements of Associative Arrays

    Accessing All Array Elements in Nested Arrays

    Turning an Array into Variables

    Converting Strings to Arrays

    Converting Arrays to Strings

    Sorting Arrays Alphabetically

    Sorting Associative Arrays Alphabetically

    Sorting Nested Arrays

    Sorting Nested Associative Arrays

    Sorting IP Addresses (as a Human Would)

    Sorting Anything

    Sorting with Foreign Languages

    Applying an Effect to All Array Elements

    Filtering Arrays

    Getting Random Elements Out of Arrays

3. Date and Time.

    Using Text Within date()

    Automatically Localizing Dates

    Manually Localizing Dates

    Using the Current Date the U.S./U.K./European Way

    Formatting a Specific Date

    Validating a Date

    Calculating a Relative Date

    Creating a Sortable Time Stamp

    Converting a String into a Date

    Determining Sunrise and Sunset

    Using Date and Time for Benchmarks

    Using Form Fields for Date Selection

    Create Self-updating Form Fields for Date Selection

    Calculating the Difference Between Two Dates

    Using GMT Date/Time Information

4. Interacting with Web Forms.

    Sending Form Data Back to the Current Script

    Reading Out Form Data

    Coping with "Magic Quotes"

    Checking Whether a Form Has Been Submitted

    Saving Form Data into a Cookie

    Prefilling Text Fields and Password Fields

    Prefilling Multiline Text Fields

    Preselecting Radio Buttons

    Preselecting Check Boxes

    Preselecting Selection Lists

    Preselecting Multiple Selection Lists

    Processing Graphical Submit Buttons

    Checking Mandatory Fields

    Checking Selection Lists

    Writing All Form Data into a File

    Sending All Form Data Via Email

    Getting Information About File Uploads

    Moving Uploaded Files to a Safe Location

5. Remembering Users (Cookies and Sessions).

    Understanding Cookies

    Creating a Cookie

    Reading Out Cookies

    Getting Rid of "Magic Quotes" in Cookies

    Setting a (Reasonable) Expiry Date

    Setting a Client-Specific Expiry Date

    Deleting a Cookie

    Making Cookies Accessible for Several Domains

    Checking Whether the Client Supports Cookies

    Saving Multiple Data in One Cookie

    Saving the User's Language Preference

    Understanding Sessions

    Where to Store the Sessions

    How to Maintain the Session State

    Activating Sessions

    Reading and Writing Sessions

    Closing Sessions

    Changing the Session ID

    Creating Dynamic, Session-Aware Links

    Implementing a Custom Session Management

    Creating a Secured Area with Sessions

    Creating a Secured Area Without Sessions

6. Using Files on the Server File System.

    Opening and Closing Files

    Reading from Files

    Writing to Files

    Locking Files

    Using Relative Paths for File Access

    Avoiding Security Traps with File Access

    Working with CSV Data

    Parsing INI Files

    Retrieving File Information

    Copying, Moving, and Deleting Files

    Browsing the File System

    Using PHP Streams

    Using Bzip2 Archives

    Returning Files with an HTTP Request

7. Making Data Dynamic.

    Connecting to MySQL

    Connecting to MySQLi

    Sending SQL to MySQL

    Prepared Statements with MySQL

    Retrieving Results of a Query to MySQL

    Connecting to SQLite

    Sending SQL to SQLite

    Retrieving Results of a Query to SQLite

    Connecting to PostgreSQL

    Sending SQL to PostgreSQL

    Updating Data in PostgreSQL

    Retrieving Results of a Query to PostgreSQL

    Connecting to Oracle

    Sending SQL to Oracle

    Retrieving Results of a Query to Oracle

    Connecting to MSSQL

    Sending SQL to MSSQL

    Retrieving Results of a Query to MSSQL

    Connecting to Firebird

    Sending SQL to Firebird

    Retrieving Results of a Query to Firebird

    Connecting Via PDO

    Sending SQL Via PDO

    Retrieving Results of a Query Via PDO

8. Using XML.

    Parsing XML with SAX

    Using DOM in PHP 4 to Read XML

    Using DOM in PHP 5 to Read XML

    Using DOM in PHP 4 to Write XML

    Using DOM in PHP 5 to Write XML

    Using SimpleXML

    Transforming XML with XSL and PHP 4

    Transforming XML with XSL and PHP 5

    Validating XML

9. Communicating with Others.

    Connecting with HTTP Servers

    Connecting with FTP Servers

    Checking Whether a Server Is Still Reacting

    Creating a Web Service with PEAR::XML-RPC

    Consuming a Web Service with PEAR::XML-RPC

    Creating a Web Service with NuSOAP

    Automatically Generating WSDL with NuSOAP

    Consuming a Web Service with NuSOAP

    Creating a Web Service with PEAR::SOAP

    Automatically Generating WSDL with PEAR::SOAP

    Consuming a Web Service with PEAR::SOAP

    Creating a Web Service with PHP 5's SOAP Extension

    Consuming a Web Service with PHP 5's SOAP Extension

Index.