Snippets Collection 5

How To Set A Maximum Word Count On Post Titles

Adding the following snippet to your theme’s functions.php file, you will be able to set a maximum word count on post titles.

function maxWord($title){
    global $post;
    $title = $post->post_title;
    if (str_word_count($title) >= 10 ) //set this to the maximum number of words
        wp_die( __('Error: your post title is over the maximum word count.') );
}
add_action('publish_post', 'maxWord');

function maxWord($title){

global $post;

$title = $post->post_title;

if (str_word_count($title) >= 10 ) //set this to the maximum number of words

wp_die( __('Error: your post title is over the maximum word count.') );

}

add_action('publish_post', 'maxWord');

Snippet Source/Credit: Pippin

Displaying WordPress Excerpt Dynamic Length

The following snippet display the WordPress excerpt dynamic length.

function ms_rp_excerpt($limit) {
		$excerpt = explode(' ', get_the_excerpt(), $limit);
		if (count($excerpt) >= $limit) {
			array_pop($excerpt);
			$excerpt = implode(' ', $excerpt).'...';
		}
		else {
			$excerpt = implode(' ', $excerpt);
		}
		$excerpt = preg_replace('`\[[^\]]*\]`', '', $excerpt);
		return $excerpt;
	}

function ms_rp_excerpt($limit) {

$excerpt = explode(' ', get_the_excerpt(), $limit);

if (count($excerpt) >= $limit) {

array_pop($excerpt);

$excerpt = implode(' ', $excerpt).'...';

}

else {

$excerpt = implode(' ', $excerpt);

}

$excerpt = preg_replace('`\[[^\]]*\]`', '', $excerpt);

return $excerpt;

}

Snippet Source/Credit: Snipplr

Delete Width And Height Attributes From Image Tag

The following snippet will let you delete both width and height attributes from image tag.

<?php 
$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'thumbnail' );  
if ($image) : ?>
    <img src="<?php echo $image[0]; ?>" alt="" />
<?php endif; ?>

<?php

$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'thumbnail' );

if ($image) : ?>

<?php endif; ?>

Snippet Source/Credit: Stackexchange

How To Set Basic Tag Cloud In WordPress

The following line of code will let you set basic tag cloud in WordPress.

<?php wp_tag_cloud('smallest=8&largest=16&'); ?>

1	<?php wp_tag_cloud('smallest=8&largest=16&'); ?>

How To Know That Which Theme You Are Using

Adding the following lines of code will let you know that which theme you are using.

add_action( 'wp_head', 'show_me_the_template' );
function show_me_the_template() {
	global $template, $current_user, $wp_admin_bar; 
	get_currentuserinfo();
        /* If you have more than one user deny. Be sure to use your user ID! */
	if ( !is_user_logged_in() && $current_user->ID != '1' ) 
		return;
	if ( is_admin_bar_showing() )
		$wp_admin_bar->add_menu( array(
			'parent' => false,
			'id' => 'template',
			'title' => $template,
			'href' => '#'
		));
	else
		print_r( $template );
}

add_action( 'wp_head', 'show_me_the_template' );

function show_me_the_template() {

global $template, $current_user, $wp_admin_bar;

get_currentuserinfo();

/* If you have more than one user deny. Be sure to use your user ID! */

if ( !is_user_logged_in() && $current_user->ID != '1' )

return;

if ( is_admin_bar_showing() )

$wp_admin_bar->add_menu( array(

'parent' => false,

'id' => 'template',

'title' => $template,

'href' => '#'

));

else

print_r( $template );

}

Snippet Source/Credit: Snipplr

How To Change Editor Font In WordPress

The following snippet will let you change editor font in WordPress.

add_action( 'admin_head-post.php', 'devpress_fix_html_editor_font' );
add_action( 'admin_head-post-new.php', 'devpress_fix_html_editor_font' );
function devpress_fix_html_editor_font() { ?>
<style type="text/css">#editorcontainer #content, #wp_mce_fullscreen { font-family: Georgia, "Times New Roman", "Bitstream Charter", Times, serif; }</style>
<?php }

add_action( 'admin_head-post.php', 'devpress_fix_html_editor_font' );

add_action( 'admin_head-post-new.php', 'devpress_fix_html_editor_font' );

function devpress_fix_html_editor_font() { ?>

<?php }

Snippet Source/Credit: DevPress