Come to Know PHP

Did you know that PHP
1. Is a recursive acronym of P HP: Hypertext Prepocessor.
2. First created by Rasmus Lerdorf in 1994.
3. Must be written in between the tags:

a. Style XLM
<?php
echo ”Style XML”
?>
b. Short Style
<?
Echo”ShortStyle”;
?>
c. Style SCRIPT
<script language =’php’>
echo ”Style JavaScript”;
</script>
d. Style ASP
<%
echo ”Style ASP”
%>

4. Every single statement (command) usually end with a semicolon (;)
5. Case sensitive to the name created by the user identifier (a variable, constants, functions, etc.), but NOT case sensitive to the built-in identifier of PHP. So:

• $haha ≠ $Haha ≠ $HAHA
• calculateArea() ≠ CalculateArea()
• echo = ECHO
• while = WHILE

6. Easy to learn

Say Hello to the PHP
1. Enter this command in notepad or dreamweaver.
<? php
echo "Hello, my name is PHP";
?>
2. Save with the name DocumentRoot hello.php on your computer.
3. Open the browser and then typing http://localhost/hello.php
4. See the results in the browser.

 

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