Basic php script how its is works with Html,how Embbed php code in Html.how basically variables works,echo, and print variables.

CODE

A PHP script starts with :

<?php
//Php Start
// PHP code goes here
//Php End
?>

“<?php” Starting of php code

“?>” Ending of php

<?php
echo "Hello World !";
?>

OUTPUT:
[insert_php]
echo”Hello World !”;
[/insert_php]

Comments in PHP

<!DOCTYPE html>
<html>
<body>

<?php
// This is a single-line comment

# This is also a single-line comment

/*
Multiple-lines comment block
that Expand over multiple
lines
*/

// You can also use comments to leave out parts of a code line
$x = 100 /* + 60 */ + 6;
echo $x;
?>

</body>
</html>

OUTPUT:
[insert_php]
$x = 100 /* + 60 */ + 6;
echo $x;
[/insert_php]

<?php
$x = 12;  // Int Number
$y = 0.4; // Float
$str = "Total Result"; // String


echo $x+$y;//Total
echo "<br/>";//break
echo $x+$y.$str; // Concatenation
echo "<br/>";//break
$col = "Red";
echo "<br/>";//break
echo $col;
?>

 

[insert_php]
$x = 12; // Int Number
$y = 0.4; // Float
$str = ” Total Result”; // String

echo $x+$y;//Total
echo ”
“;
echo $x+$y.$str;
echo ”
“;
$col = “Red”;
echo $col;
[/insert_php]

 

 

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