PHP Variables
PHP Data Types
PHP Echo & Print
PHP Strings
PHP Numbers
PHP Constants
PHP Operators
PHP if...else...elseif Statements
Switch Statement
PHP Loops
PHP Arrays
Superglobals
PHP Coding Standards
PHP Form Handling
PHP Form Validation
PHP URLs Validation
PHP Form Required Validation
Complete Form Example
PHP File Functions Open/Read
PHP File Create/Write
PHP File Upload
PHP Cookies Handling
PHP Session Handling
PHP filter_var() Function
PHP Validation Filters
PHP Sanitization Filters
Using Filters
Filters Advanced
JSON
PHP Date and Time
MySQL Database
MySQL Connect
MySQL Commands-Creating a Table
MySQL Commands-Inserting The data
MySQL Commands-Prepared Statement
MySQL Commands-Selecting The Data
MySQL Commands-Where and Order By
MySQL Commands-Deleting And Updating The Data
PHP-OOP Introduction
PHP-Classes/Objects
PHP-Constructor/Destructor
PHP-Access Modifiers
PHP-Inheritance
PHP-Inheritance and Protected Access Modifier
PHP-Overriding Inherited Methods
PHP-Final keyword
PHP-Abstract Classes
PHP-Constants
PHP-Traits
PHP-Static Methods and Properties
Introduction to Functions
Defining A function
Returning Values From A Function
Dynamic Function Calls
Variable Scope
Understanding Arguments Or Parameters
Testing For A Function Existence
Returning Multiple Values From A Function
Making practical Use By Building Code Libraries For Code Re-usability
Using Include() And Require()
Echo is a very basic command in PHP. Echo prints the value given between the optional open and closed brackets and the quotation marks. You can write the text in open and closed quotation marks that you want to print on the web page. End the echo command with a semicolon.
>Simple print command
Echo is basically a command that allows you to write information out on the HTML document. If you check the source code, it will show the HTML printing out the text written within Echo command of Php into the body tag.
For e.g.
Echo (“ It is a print command”);
?>
>Writing HTML inside echo
You can also write HTML code inside the quotation marks after echo command. For e.g., if we want to print header on an HTML page, we can write the below statement in php.
echo “
First Site Header ”;
?>
If you check the output of this code, you will get the First Site header printed in H1 settings and the source code will include header tag and code inside the body tag of HTML. You can also add a paragraph or other HTML tags inside the echo command.
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