"switch" Statements

This section describes how 'switch' statements work. Execution will start at the 'case' clause whose expected value matches the test expression. Execution will continue with all remaining 'case' clauses.

"switch" statement is an alternative way of executing statements selectively based on certain conditions. Here is the syntax of "switch" statements:

   switch (test_expression) {
      case expected_value_1:
      case expected_value_2:

where "test_expression" is an expression used to test against with expected values specified in "case" clauses, and "expected_value_*" are expected values.

The execution of a "switch" statement goes like this:


Table of Contents

 About This Book

 Introduction and Installation of PHP 7.3

 PHP Script File Syntax

 PHP Data Types and Data Literals

 Variables, References, and Constants

 Expressions, Operations and Type Conversions

Conditional Statements - "if" and "switch"

 "if" Statements

 "if" Statement Examples

"switch" Statements

 "switch" Statement Examples

 Loop Statements - "while", "for", and "do ... while"

 Function Declaration, Arguments, and Return Values

 Arrays - Ordered Maps

 Introduction of Class and Object

 Integrating PHP with Apache Web Server

 Retrieving Information from HTTP Requests

 Creating and Managing Sessions in PHP Scripts

 Sending and Receiving Cookies in PHP Scripts

 Controlling HTTP Response Header Lines in PHP Scripts

 MySQL Server Connection and Access Functions

 Functions to Manage Directories, Files and Images

 SOAP Extension Function and Calling Web Services

 SOAP Server Functions and Examples

 Localization Overview of Web Applications

 Using Non-ASCII Characters in HTML Documents

 Using Non-ASCII Characters as PHP Script String Literals

 Receiving Non-ASCII Characters from Input Forms

 "mbstring" Extension and Non-ASCII Encoding Management

 Managing Non-ASCII Character Strings with MySQL Servers

 Configuring and Sending out Emails

 Image and Picture Processing

 Managing PHP Engine and Modules on macOS

 Managing PHP Engine and Modules on CentOS

 Outdated Tutorials


 Full Version in PDF/EPUB