caratage

$attachments = get_children ( 
  array (
    'post_parent' => get_the_ID(), 
    'post_type' => 'attachment', 
    'post_mime_type' => 'image'
  )
);

if ( $attachments ) {
  // do conditional stuff here 

caratage

add_filter("manage_upload_columns", 'upload_columns');
add_action("manage_media_custom_column", 'media_custom_columns', 0, 2);

function upload_columns($columns) {

	unset($columns['parent']);
	$columns['better_parent'] = "Parent";

	return $columns;

caratage

while ( have_posts() ) : the_post();
  if( $wp_query->current_post ==0 && !is_paged() ) { 
    $myclass = "fist-post";
  }
endwhile;

caratage

$myvalue = 'Test me more';
$arr = explode(' ',trim($myvalue));
echo $arr[0]; // will print Test

caratage

// remove all shortcodes
add_filter('the_content', 'strip_shortcodes');

// remove specific shortcode
remove_shortcode('gallery');

caratage

wp_oembed_add_provider( '#http://(www\.)?youtube.com/watch.*#i', 'http://www.youtube.com/oembed?iframe=1', true );

caratage

<div class="upload_field"
    <input type="text" name="upload_one" id="upload_one" class="upload" value="" />
    <input type="button" class="upload-button" value="Upload Image" />
</div>

<div class="upload_field"
    <input type="text" name="upload_two" id="upload_two" class="upload" value="" />
    <input type="button" class="upload-button" value="Upload Image" />
</div>

caratage

// size calculation
$docsize = @filesize( get_attached_file ( $attachment->ID ) );
// show the attachment, 
echo $filename . ' — ' . $docsize;

// echoes something like attachment.zip — 13143

// use size_format() instead. start with size calculation
$docsize = @filesize( get_attached_file( $attachment->ID ) );
if (FALSE === $docsize)

caratage

// edit fields in media upload area
add_filter('attachment_fields_to_edit', 'remove_media_upload_fields', 10000, 2);
function remove_media_upload_fields( $form_fields, $post ) {

    // remove unnecessary fields
    unset( $form_fields['image-size'] );
    unset( $form_fields['post_excerpt'] );
    unset( $form_fields['post_content'] );
    unset( $form_fields['url'] );
    unset( $form_fields['image_url'] );

caratage

function remove_menu_pages() {
  remove_menu_page('link-manager.php');
  remove_menu_page('edit-comments.php');
}
add_action( 'admin_init', 'remove_menu_pages' );

// http://www.netmagazine.com/tutorials/customise-wordpress-admin-area