Introduction To PHP Concept Step By Step PDF.Top Researched Based PHP interview Questions . how to Implement. This PHP tutorial Will Help you to learn PHP from Beginner To Advance.
PHP
PHP (recursive acronym for “PHP: Hypertext Preprocessor”)
- widely-used Open Source general-purpose scripting language
- especially suited for Web development
- can be embedded into HTML.
<html>
<head>
<title>Example</title>
</head>
<body>
<?php echo “Hi, I’m a PHP script!”; ?>
</body>
</html>
Environment Needed
Assume that your server has support for PHP activated and that all files ending in .php are handled by PHP
- Create your .php files and put them in your web directory and the server will magically parse them for you
- No need to compile anything
- Develop locally
- install a web server, such as Apache
- install PHP
- install a database as well, such as PostgreSQL.
$var = “Bob”;
$Var = “Joe”;
echo “$var, $Var”; // outputs “Bob, Joe”
$x = 1;
$x = ‘abc’; // type can change if value changes
$4site = ‘not yet’; // invalid; starts with a number $_4site = ‘not yet’; // valid; starts with an underscore
?>
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