10 More Useful WordPress Code Snippets For Your Blog

WordPress is the best open source sofware which is completely free to use.The advantage of being open source for a software is that developers can see its codes an write plugins to make it more functional.And also developers add or change small piece of codes especially in functions.php file to unleash the power of your favorite blogging engine.

In today’s post we are again sharing wordpress code snippets.I think you will find a useful wordpress code snippet for your wordpress blog.

You may also take a look at our past wordpress theme collections;

htaccess Gzip Compression

Add the following code in your .htaccess file.Gzip will drastically reduce HTTP response time.

# BEGIN GZIP

AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript

# END GZIP

Instructions:
Just add this to your .htaccess file. Gzip will drastically reduce HTTP response time.

How to Remove the Width and Height Attributes From WP Image Uploader

add_filter( ‘post_thumbnail_html’, ‘remove_width_attribute’, 10 );
add_filter( ‘image_send_to_editor’, ‘remove_width_attribute’, 10 );

function remove_width_attribute( $html ) {
$html = preg_replace( ‘/(width|height)=\”\d*\”\s/’, “”, $html );
return $html;
}

If you upload images via the WordPress image uploader and insert it into your post, it will include the image width and height attribute in the html tag. Here’s what it will look like.

In most cases, this is absolutely alright. However, if you are using a responsive theme or are dealing with responsive web design, the “width” and “height” attribute will be a major roadblock that you need to get rid of.

Here’s how you can do it.

1. Open your theme’s functions.php file.

2. Copy and paste the following code:
add_filter( ‘post_thumbnail_html’, ‘remove_width_attribute’, 10 );
add_filter( ‘image_send_to_editor’, ‘remove_width_attribute’, 10 );

function remove_width_attribute( $html ) {
$html = preg_replace( ‘/(width|height)=\”\d*\”\s/’, “”, $html );
return $html;
}

3. Save the changes.

That’s it. Next time when you insert image into the post via the WP image uploader, the width and height attribute will no longer be there.

How to Change the Font in HTML Editor In WordPress 3.3

add_action( ‘admin_head-post.php’, ‘wpdb_fix_html_editor_font’ );
add_action( ‘admin_head-post-new.php’, ‘wpdb_fix_html_editor_font’ );

function wpdb_fix_html_editor_font() { ?>

<!–?php }

Add/remove Contact Info Fields

To add or remove fields from this section, just add the following to your functions.php.

Login with Username or Email Address

Adding this snippet to the functions.php of your wordpress theme will let users login using an email address or a username. The second snippet will change the text on the login page from “username” to “username / email” but feel free to change the login text to anything you would like.

function login_with_email_address($username) {
$user = get_user_by(’email’,$username);
if(!empty($user->user_login))
$username = $user->user_login;
return $username;
}
add_action(‘wp_authenticate’,’login_with_email_address’);
function change_username_wps_text($text){
if(in_array($GLOBALS[‘pagenow’], array(‘wp-login.php’))){
if ($text == ‘Username’){$text = ‘Username / Email’;}
}
return $text;
}
add_filter( ‘gettext’, ‘change_username_wps_text’ );

Add PayPal Donate Button

Add this snippet to the functions.php to add ‘Donate’ Button on your WordPress Website

// paypal donate button
function cwc_donate_shortcode( $atts ) {
extract(shortcode_atts(array(
‘text’ => ‘Make a donation’,
‘account’ => ‘REPLACE ME’,
‘for’ => ”,
), $atts));
global $post;
if (!$for) $for = str_replace(” “,”+”,$post->post_title);
return ‘‘.$text.’‘;
}
add_shortcode(‘donate’, ‘cwc_donate_shortcode’);

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