Simple, powerful way to strip out any tags you want from the_content() in wordpress, using regex:

Get the_content() in wordpress without image tags:

$content = get_the_content();
$content = preg_replace("/<img[^>]+\>/i", "(image) ", $content); 		  
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]>', $content);
echo $content;

Get the_content() in wordpress without image and video (iframe) tags:

$content = get_the_content();
$content = preg_replace("/<img[^>]+\>/i", "(image) ", $content); 		
$content = preg_replace("/<iframe[^>]+\>/i", "(video) ", $content);             
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]>', $content);
echo $content;

Strip out any html tags from the_content() wordpress:

$content = get_the_content();
$content = preg_replace("/<embed[^>]+\>/i", "(embed) ", $content); 		
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]>', $content);
echo $content;

To truly step up the search function of your WordPress site, you should better look into Smart Ajax Product Search plugin. By now you know that you could use something extra to offer your visitors to find exactly what they are after in a more efficient way. Smart Ajax Product Search is a powerful and convenient search plugin for WordPress with a solid stability and compatibility. Speaking of which, it smoothly integrates into the default search function, as well as WooCommerce and even other custom widgets you sport on your site.

Installation

• Unzip the downloaded .zip file.
• Upload the plugin folder into the wp-content/plugins/ directory of your WordPress site. Activate the plugin through the ‘Plugins’ screen in WordPress
• Use the Smart Search screen (/wp-admin/admin.php?page=smart-search) to configure the plugin

Content editing made easy Use the Advanced Custom Fields plugin to take full control of your WordPress edit screens & custom field data.

Add fields on demand

Our field builder allows you to quickly and easily add fields to WP edit screens with only the click of a few buttons!

Add them anywhere!

Fields can be added all over WP including posts, users, taxonomy terms, media, comments and even custom options pages!

Show them everywhere!

Load and display your custom field values in any theme template file with our hassle free developer friendly functions!

1. Words Length:

<?php $content = get_the_content();
  $trimmed_content = wp_trim_words( $content, 60, '<a href="'. get_permalink() .'">...[ read more ]</a>' ); ?>
  <p><?php echo $trimmed_content; ?></p>
(Change the 60 to your desire words length)

2. Character Length :

<?php echo substr(strip_tags($post->post_content), 0, 46);?>
//(Change the 46 to your desire string length)

Build an Army of Engaged Visitors That Will Grow Your Site For You

Thrive Comments is the newest alternative to the native WP comments. It’s a WordPress plugin that will bring a whole array of previously unavailable features to your WordPress comments.

Key Differences: Thrive Comments vs. Disqus

The main difference between Thrive Comments and Disqus is the scope of the programs. Since Disqus is part of a universal, multi platform network, it adds some interesting functionality, as well as a few constraints.

The Disqus system outsources comments to their network, so while the comments appear on your website, everything is controlled and hosted on the Disqus network.

Google reCAPTCHA is becoming popular since the day of its announcement. The performance of this product is not been evaluated yet because of its age.

functions.php

/*Add Google captcha field to Comment form*/

add_filter('comment_form','add_google_captcha');

function add_google_captcha(){
echo '<div class="g-recaptcha" data-sitekey= "=== Your site key === "></div>';
}

/*End of Google captcha*/

single.php

<script src='https://www.google.com/recaptcha/api.js'></script>
<script type="text/javascript">
jQuery("#submit").click(function(e){
var data_2;
jQuery.ajax({
type: "POST",
url: "http://yourblog.com/wp-content/themes/yourtheme/google_captcha.php",
data: jQuery('#commentform').serialize(),
async:false,
success: function(data) {
if(data.nocaptcha==="true") {
data_2=1;
} else if(data.spam==="true") {
data_2=1;
} else {
data_2=0;
}
}
});
if(data_2!=0) {
e.preventDefault();
if(data_2==1) {
alert("Please check the captcha");
} else {
alert("Please Don't spam");
}
} else {
jQuery("#commentform").submit
}
});
</script>

google_captcha.php

<?php
$data;
header('Content-Type: application/json');
error_reporting(E_ALL ^ E_NOTICE);
if(isset($_POST['g-recaptcha-response'])) {
$captcha=$_POST['g-recaptcha-response'];
}
if(!$captcha){
$data=array('nocaptcha' => 'true');
echo json_encode($data);
exit;
}
// calling google recaptcha api.
$response=file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=Your secret key&response=".$captcha."&remoteip=".$_SERVER['REMOTE_ADDR']);
// validating result.
if($response.success==false) {
$data=array('spam' => 'true');
echo json_encode($data);
} else {
$data=array('spam' => 'false');
echo json_encode($data);
}
?>

Using a good <title> tag is incredibly important for ranking high in the Search Engines. This code snippet will dynamically generate a dynamic <title> tag to improve your WordPress site’s SEO and should be placed in your WordPress site’s header.php replacing your existing <title>.

<title><?php bloginfo('name'); if(wp_title('', false)) { echo '|'; } else { echo bloginfo('description'); } wp_title(''); ?></title>

A jQuery plugin to display your Google Photos.

SyntaxHighlighter comes with almost 30 brushes out of the box. One of the most requested feature has been the ability to dynamically load them without having to load them all on the same page.

UnderStrap combines the Underscores starter theme (by Automattic) and the mobil-first, responsive grid framework Bootstrap (by Twitter) into a perfect foundation for your next WordPress theme project.