FriendlyWP

<?php
/*
Plugin Name: Posts 2 Posts List Widget
Plugin URI: http://friendlywebconsulting.com/
Description: Creates a widget to display posts connected via the Posts 2 Posts plugin by Scribu, found here: http://wordpress.org/extend/plugins/posts-to-posts/ 
Author: Michelle McGinnis
Author URI: http://friendlywebconsulting.com/
Version: 1.0.0-alpha
*/

FriendlyWP

/**
 * Display specified content with a word limit
 * Can be used for excerpts, full content, etc.
 * In your theme file, use thus to display 40 words of the excerpt:
 *  $excerpt = get_the_excerpt(); 
 *  echo string_limit_words( $excerpt, 40 );
 *
 * @param string $string A variable containing the content you wish to display.
 * @param num $word_limit The number of words to display.
 * @return string Content limited to the number of words specified.

FriendlyWP

// FILTER WORDPRESS SEO BY YOAST outputs in the WordPress control panel
// remove WP-SEO columns from edit-list pages in admin
add_filter( 'wpseo_use_page_analysis', '__return_false' );

// put WP-SEO panel at bottom of edit screens (low priority)
add_filter('wpseo_metabox_prio' , 'my_wpseo_metabox_prio' );
function my_wpseo_metabox_prio() {
  return 'low' ;                                
}

FriendlyWP

// REPLACE _* *_ WITH <STRONG> HTML IN WIDGET TITLES
// usage: _*This*_ word is bold
add_filter( 'widget_title', function($title) {
    $title = str_replace('_*', '<strong>', $title);
    $title = str_replace('*_', '</strong>', $title);
    return $title;
} );

FriendlyWP

/* SHORTCODE WHICH INSERTS CURRENT YEAR
 * usage: [year]
*/
add_shortcode('year', 'year_shortcode');
function year_shortcode() {
  $year = date('Y');
  return $year;
}

FriendlyWP

/*  SHORTCODE FOR EMAIL OBFUSCATION
 *  usage: [email][email protected][/email]
 *  OR: [email address="[email protected]"]Contact Us[/email]
*/
add_shortcode('email', 'emailbot_ssc');
function emailbot_ssc($atts, $content = null) {
    extract( shortcode_atts( array(
        'address' => '',
    ), $atts ) );

FriendlyWP

// add a new default avatar to the list in WordPress admin
// change path to reflect where your default image lives
add_filter( 'avatar_defaults', 'mytheme_addgravatar' );
function mytheme_addgravatar( $avatar_defaults ) {
    $myavatar = get_bloginfo('stylesheet_directory') . '/_/images/avatar.gif';
    $avatar_defaults[$myavatar] = 'New Default Gravatar';
    return $avatar_defaults;
}

FriendlyWP

// ENABLE SHORTCODES IN ALL TEXT WIDGETS
add_filter('widget_text', 'do_shortcode');

FriendlyWP

// REMOVE WIDGET TITLE IF IT BEGINS WITH EXCLAMATION POINT
// To use, add a widget and in the Title field put !The title here
// The title will show in the control panel, but not on the site itself
add_filter( 'widget_title', 'remove_widget_title' );
function remove_widget_title( $widget_title ) {
    if ( substr ( $widget_title, 0, 1 ) == '!' )
        return;
    else 
        return ( $widget_title );
}

FriendlyWP

// Allows users to insert your custom image sizes via the Add Media button
// In this example, two custom image sizes are added to the defaults
add_filter( 'image_size_names_choose', 'my_custom_sizes' );
function my_custom_sizes( $sizes ) {
    return array_merge( $sizes, array(
        'thumb-narrow' => __('Narrow Thumbnail'),
        'thumb-wide' => __('Wide Thumbnail'),
    ) );
}