rodica-andronache

add_image_size( 'zerif-testimonial', 73, 73, true );
add_image_size( 'zerif-clients', 130, 50, true );
	
add_filter('image_size_names_choose', 'zerif_image_sizes'); 
	
function zerif_image_sizes($sizes) {
		
	$zerif_addsizes = array( "zerif-our-focus" => __( "Our focus","zerif"), "zerif_our_team_photo" => __("Our team","zerif"), "zerif-testimonial" => __("Testimonial", "zerif"), "zerif-clients" => __("Client logo","zerif") ); 
	$zerif_newsizes = array_merge($sizes, $zerif_addsizes); 
	return $zerif_newsizes; 

rodica-andronache

add_image_size( 'zerif-our-focus-widget', 125, 125, true );

global $wpdb;
						
$our_focus_attachment_id = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE guid='%s';", esc_url($instance['image_uri']) ));  /* attachement id by attachement url */

$aa = wp_get_attachment_image_src( $attachment[0], 'zerif-our-focus-widget' ); 
echo $aa[0]; /* url-ul imaginii */

SAU varianta mai buna:

rodica-andronache

http://wordpress.stackexchange.com/questions/26557/programmatically-add-widgets-to-sidebars

/**
 * Super simple widget.
 */
class T5_Demo_Widget extends WP_Widget
{
    public function __construct()
    {                      // id_base        ,  visible name
        parent::__construct( 't5_demo_widget', 'T5 Demo Widget' );

rodica-andronache

http://codex.wordpress.org/Create_A_Network

rodica-andronache

add_action( 'init', 'zerif_create_post_type' );



function zerif_create_post_type() {

	/* portofolio */

	register_post_type( 'portofolio',

rodica-andronache

class Color_Picker_Widget_25809 extends WP_Widget {

	/**
	 * Widget constructor.
	 *
	 * @since  1.0
	 *
	 * @access public
	 */
	public function __construct() {

rodica-andronache

http://speakinginbytes.com/2014/07/woocommerce-settings-tab/

If you’re building a WooCommerce extension the easiest thing you can do to improve your UI is to put all WooCommerce settings where users can find them – on a new WooCommerce settings tab.

1 – Add a New WooCommerce Settings Tab

You just need to add one extra array item to the woocommerce_settings_tabs_array filter.
<?php
class WC_Settings_Tab_Demo {
 

rodica-andronache

http://wptheming.com/2011/08/admin-notices-in-wordpress/

rodica-andronache

http://www.paulund.co.uk/rewrite-urls-wordpress

rodica-andronache

jQuery('a[href*=#]:not([href=#])').click(function() {
    if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
      var target = jQuery(this.hash);
      target = target.length ? target : jQuery('[name=' + this.hash.slice(1) +']');
      if (target.length) {
        jQuery('html,body').animate({
          scrollTop: target.offset().top
        }, 1000);
        return false;
      }