WordPress Code Snippets

In acest articol vreau sa prezint cateva coduri tip snippets care pot ajuta la dezvoltarea un proiect pentru platforma WordPress.

Eliminare WordPress Admin Bar

remove_action('init', 'wp_admin_bar_init');

Customizare WordPress Login Logo fara modul

function my_custom_login_logo() { 
echo '<style type="text/css"> 
h1 a { background-image:url('.get_bloginfo('template_directory').'/images/custom-login-logo.gif) !important; } 
</style>'; 
} 
add_action('login_head', 'my_custom_login_logo');

Dynamic Copyright Date in Footer (functions.php)

function comicpress_copyright() { 
 
global $wpdb; 
$copyright_dates = $wpdb->get_results("
SELECT
YEAR(min(post_date_gmt)) AS firstdate,
YEAR(max(post_date_gmt)) AS lastdate
FROM
$wpdb->posts
WHERE
post_status = 'publish' 
"); 
$output = ''; 
 
if($copyright_dates) { 
$copyright = "© " . $copyright_dates[0]->firstdate; 
 
if($copyright_dates[0]->firstdate != $copyright_dates[0]->lastdate) { 
$copyright .= '-' . $copyright_dates[0]->lastdate; 
} 
$output = $copyright;
} 
 
return $output;
}

Adaugare Custom Dashboard Widget (functions.php)

add_action('wp_dashboard_setup', 'my_custom_dashboard_widgets'); 
function my_custom_dashboard_widgets() { 
 
global $wp_meta_boxes; 
wp_add_dashboard_widget('custom_help_widget', 'Theme Support', 'custom_dashboard_help'); 
} 
function custom_dashboard_help() { 
echo '<p>Welcome to Custom Blog Theme! Need help? Contact the developer <a href="mailto:yourusername@gmail.com">here</a>. For WordPress Tutorials visit: <a href="http://www.wpbeginner.com" target="_blank">WPBeginner</a></p>'; 
}

Automat Adaugare Search Box in Nav Menu (functions.php)

add_filter('wp_nav_menu_items','add_search_box', 10, 2); 
function add_search_box($items, $args) { 
ob_start(); 
get_search_form(); 
$searchform = ob_get_contents(); 
ob_end_clean(); 
$items .= '<li>' . $searchform . '</li>'; 
 
return $items; 
}

Breadcrumbs fara plugin (functions.php)

function the_breadcrumb() { 
echo '<ul id="crumbs">'; 
 
if (!is_home()) { 
echo '<li><a href="'; 
echo get_option('home'); 
echo '">'; 
echo 'Home'; 
echo "</a></li>"; 
 
if (is_category() || is_single()) { 
echo '<li>'; 
the_category(' </li><li> '); 
 
if (is_single()) { 
echo "</li><li>"; 
the_title(); 
echo '</li>'; 
} 
} elseif (is_page()) { 
echo '<li>'; 
echo the_title(); 
echo '</li>'; 
} 
} 
 
elseif (is_tag()) {single_tag_title();} 
 
elseif (is_day()) {echo"<li>Archive for "; the_time('F jS, Y'); echo'</li>';} 
 
elseif (is_month()) {echo"<li>Archive for "; the_time('F, Y'); echo'</li>';} 
 
elseif (is_year()) {echo"<li>Archive for "; the_time('Y'); echo'</li>';} 
 
elseif (is_author()) {echo"<li>Author Archive"; echo'</li>';} 
 
elseif (isset($_GET['paged']) &amp;&amp; !empty($_GET['paged'])) {echo "<li>Blog Archives"; echo'</li>';} 
 
elseif (is_search()) {echo"<li>Search Results"; echo'</li>';} 
echo '</ul>'; 
}

Insert into header.php

<?php the_breadcrumb(); ?>

Paginatie (functions.php)

function my_paginate_links() { 
 
global $wp_rewrite, $wp_query; 
$wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1; 
$pagination = array( 
'base' => @add_query_arg('paged','%#%'),
'format' => '',
'total' => $wp_query->max_num_pages,
'current' => $current,
'prev_text' => __('« Previous'),
'next_text' => __('Next »'),
'end_size' => 1,
'mid_size' => 2,
'show_all' => true, 
'type' => 'list' 
); 
 
if ( $wp_rewrite->using_permalinks() ) 
$pagination['base'] = user_trailingslashit( trailingslashit( remove_query_arg( 's', get_pagenum_link( 1 ) ) ) . 'page/%#%/', 'paged' ); 
 
if ( !empty( $wp_query->query_vars['s'] ) ) 
$pagination['add_args'] = array( 's' => get_query_var( 's' ) ); 
echo paginate_links( $pagination ); 
}

Adaugare Shortcode pt. Widgets

add_filter('widget_text', 'do_shortcode')

Google Analytics fara Editare Tema wp

 <?php 
 
add_action('wp_footer', 'ga'); 
function ga() { ?> 
// Paste your Google Analytics code here
<?php } ?>

Setare Maxim Word Count in 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');

functia the excerpt

function new_excerpt_length($length) { 
 
return 20;
} 
add_filter('excerpt_length', 'new_excerpt_length');

Display Random Posts

<ul><li><h2>A random selection of my writing</h2> 
<ul> 
<?php 
$rand_posts = get_posts('numberposts=5&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;orderby=rand'); 
 
foreach( $rand_posts as $post ) : 
?> 
<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li> 
<?php endforeach; ?> 
</ul> 
</li></ul>

Display Most Popular Post from a Specific Category

<?php 
$args=array( 
'cat' => 3,
'orderby' => 'comment_count',
'order' => 'DESC',
'post_type' => 'post',
'post_status' => 'publish',
'posts_per_page' => 6,
'caller_get_posts'=> 1 
); 
$my_query = null;
$my_query = new WP_Query($args); 
 
if( $my_query->have_posts() ) { ?> 
<ul> 
<?php while ($my_query->have_posts()) : $my_query->the_post(); ?> 
<li><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></li> 
<?php  endwhile; ?> 
</ul> 
<?php } 
 
wp_reset_query(); ?>