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Php Basic syntex and output 



Php tutorials



Php Basic syntex and output  |  Php tutorials  Bestitworriors - Php file name.php contain html,css and javascript code.The syntex use to write the php script is <?php //code ?> .Php script use use inside html and outside the html.Php use //comment for single line comment and /* multilines comments */.Php all variables names are case-sensitive and all keywords name are not case-sensitive


Some Key Points

  1. Php file contain simple html,css,javascript code
  2. Php use inside the html and outside the html code
  3. Php variables names are Case Sensitive like $name , $NAME are both different variables
  4. Use echo to print the output
  5. Must remember open and closing tags <?php //code ?>
  6. Php support both single line and multiline comments
  7. echo "<br>" use to break the line in php code

Code


<?php
  // Php Outsite HTML
//Php Keywords is not Case Sensitive
echo "Helo Best IT Worrior";//Helo Best IT Worrior 

echo "<br>";

ECHO "Helo Best IT Worrior";//Helo Best IT Worrior 


//Comments
/*
    Multiple lines Comments

    */



    //All Variables Names are Case Sensitive
    $name="Bestitworrior";
    echo $name;//Output is Bestitworrior
    echo "<br>";
    echo $NAME;//this will give error

?>

<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
<h2>Php Inside Html</h2>

<?php
   // Php Outsite HTML
//Php Keywords is not Case Sensitive
echo "Helo Best IT Worrior";//Helo Best IT Worrior 

echo "<br>";
ECHO "Helo Best IT Worrior";//Helo Best IT Worrior 


//Comments
/*
    Multiple lines Comments

    */



    //All Variables Names are Case Sensitive
    $name="Bestitworrior";
    echo $name;//Output is Bestitworrior
    echo "<br>";
    echo $NAME;//this will give error
?>


</body>
</html>





OutPut


Helo Best IT Worrior
Helo Best IT WorriorBestitworrior
Undefined variable: NAME in
Php Inside Html
Helo Best IT Worrior
Helo Best IT WorriorBestitworrior
Notice: Undefined variable: NAME in




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