johndugan

function is_blog () {
	global  $post;
	$posttype = get_post_type($post );
	return ( ((is_archive()) || (is_author()) || (is_category()) || (is_home()) || (is_tag())) && ( $posttype == 'post')  );
}


Usage: 

 <?php if (is_blog()) { echo 'You are on a blog page'; } ?>

johndugan

// Add customer user fields in wp admin
function modify_contactmethods( $contactmethods ) {
	// Remove unwanted fields //
	unset($contactmethods['aim']);
	unset($contactmethods['yim']);
	unset($contactmethods['jabber']);
	// Add new fields //
	$contactmethods['twitter_handle'] = 'Twitter Handle (@)';
	$contactmethods['linkedin_url'] = 'LinkedIn Profile (URL)';
	return $contactmethods;

johndugan

<?php
	add_shortcode('wp_caption', 'fixed_img_caption_shortcode');
	add_shortcode('caption', 'fixed_img_caption_shortcode');
	function fixed_img_caption_shortcode($attr, $content = null) {
		// New-style shortcode with the caption inside the shortcode with the link and image tags.
		if ( ! isset( $attr['caption'] ) ) {
			if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
				$content = $matches[1];
				$attr['caption'] = trim( $matches[2] );
			}