Friday, 28 July 2017

Write a program in PHP to print Fibonacci series . 0, 1, 1, 2, 3, 5, 8, 13, 21, 34

<?PHP 
   $first = 0;
   $second = 1;
   echo $first.'&nbsp;,';
   echo $second.'&nbsp;,';
  
  for($limit=0;$limit<10;$limit++)
   {
     $third = $first+$second;
     echo $third.'&nbsp;,';;
     $first = $second;
     $second = $third;

   
   }
?>

Write a program to print Factorial number in php.

<?php

$num = 4;
$factorial = 1;
for ($x=$num; $x>=1; $x--)
{
  $factorial = $factorial * $x;
}
echo "Factorial of $num is $factorial";

?>


Output
Factorial of 4 is 24

Friday, 21 July 2017

Display latest comments in wordpress template.

Display latest comments for each post in WordPress

<?php 
$commentArr = array_reverse(get_approved_comments($wp_query->post->ID));
$count = 1; // number of comments
if ($commentArr) { ?>
    <h3><?php commentsNum('0 comment', '1 comment', '% comments'); ?></h3>
    <ul>
    <?php foreach ($commentArr as $comment) {
        if ($count++ <= 2) { ?>
        <li><?php comment_author_link(); ?>: <?php comment_excerpt(); ?></li>
        <?php }
    } ?>
    </ul>
<?php } else {
    echo '<p>No Comments..</p>';
} ?>

Thursday, 20 July 2017

How to add facebook fun page in Blog and page.

Click "Add Widget" to post a badge on your Blogger site that links to your Facebook account.

Step 2: Place this code wherever you want the plugin to appear on your page.

<iframe src="https://www.facebook.com/plugins/follow.php?href=https%3A%2F%2Fwww.facebook.com%2Fmanjeetkashyapsaharanpur&width=250&height=80&layout=standard&size=large&show_faces=true&appId" width="250" height="80" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true"></iframe>


Change facebook page name.

Monday, 17 July 2017

How to hide admin bar in wordpress frontend.

If you would rather remove the toolbar with code, just drop the following snippet into your functions.php file:

add_filter('show_admin_bar', '__return_false');

What is Practice in technical language.

When I'm saying "Practice", what does it mean? I would say:

    Practice is a habit.

    Practice is a routine.

    Practice does not need to remember.

    Practice comes by practicing.

    Practice needs dedication and commitment.

Thursday, 13 July 2017

How to page reload in ajax and jquery in php

How to page reload in ajax and jquery in php

<div id="manjeet"></div>

<script type='text/javascript'>

 function autoRefresh_div()
 {
      $('#manjeet').load('get_data.php');// a function which will load data from other file after x seconds
  }
  setInterval('autoRefresh_div()', 5000);

</script>

Thursday, 6 July 2017

How to browser close and tab close event in JavaScript

Following javascript code you could use to detect browser close and tab close event.

window.onbeforeunload = function () {
    alert("Do you really want to close?");
};

How to check internet connection using javascript

Here is the simple javascript function for getting internet status working or not..

<script>
function checkInternetCon() {
var status = navigator.onLine;
if (status) {
alert("Yes!! Working");
} else {
alert("Sad!! Not Working ");
}
}</script>
 
 
 
 
Call above function on button onclick event.
 
 
<button onclick="checkInternetCon()">Check Internet Connection</button>
 
 
You can also use setInterval method in javascript
 
 
setInterval(function(){ 
var status = navigator.onLine;
 if (status) {
 console.log('Working..');
 } else {
  console.log('Not Working..');
 }
}, 5000); 
 
  

Wednesday, 5 July 2017

How to crop image in php.

 Learn more about php GD Library http://php.net/manual/en/book.image.php
 
 create index.php file.
  
<?php
# Note: Install GD libraries 
$filename = 'image.jpg'; //orignal file 
$newFilename = 'newImage.png'; // New file after modification 
 
list($current_width, $current_height) = getimagesize($filename);
$left = 0; //crop left margin
$top = 0;//crop right margin
$cropWidth = 1056; 
$cropHeight = 400;
$canvas = imagecreatetruecolor($cropWidth, $cropHeight);
$currentImage = imagecreatefromjpeg($filename);
imagecopy($canvas, $currentImage, 0, 0, $left, $top, $currentWidth, $currentHeight);
imagejpeg($canvas, $newFilename, 100);
?>