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Array
(
    [selected_value] => Dropdown 2
    [selected_option] => Array
        (
            [value] => Dropdown 2
            [key] => dropdown_num_3
            [is_selected] => 1
        )

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Array
(
    [selected_value] => Radiobutton 2
    [selected_radiobutton] => Array
        (
            [value] => Radiobutton 2
            [key] => radiobutton_num_3
            [is_selected] => 1
        )

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Array 
(
    [id] => 14
    [is_image] => 1
    [url] => http://example.com/wordpress/wp-content/uploads/2012/10/product-cat-2.jpeg
    [mime] => image/jpeg
    [link] => Array
        (
            [full] => <a href='http://example.com/wordpress/wp-content/uploads/2012/10/product-cat-2.jpeg' title='product-cat-2'><img width="1024" height="768" src="http://example.com/wordpress/wp-content/uploads/2012/10/product-cat-2.jpeg" class="attachment-full" alt="product-cat-2" title="product-cat-2" /></a>
            [thumbnail] => <a href='http://example.com/wordpress/wp-content/uploads/2012/10/product-cat-2.jpeg' title='product-cat-2'><img width="150" height="112" src="http://example.com/wordpress/wp-content/uploads/2012/10/product-cat-2.jpeg" class="attachment-thumbnail" alt="product-cat-2" title="product-cat-2" /></a>

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/**
 * If a page has the more-tag added then wrap the content before the more-tag in a div with the class
 * .entry-content-teaser
 * this makes it easy for us to style the teaser, like making in bold.
 * we hook onto prio 9 instead of 10 so it run before the content has got the tags added
 */
add_filter("the_content", "teasify_the_content", 9);
function teasify_the_content($content) {
	

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 /**
 * Gets a single value.
 * The first value if field group is repeatable
 *
 * @param string $field_slug
 * @param int $post_id ID of post or null to use current post in loop
 * @param array $options Array or query string of options to send to field type
 * @return mixed string or array, depending on the field type
 */
 function simple_fields_value($field_slug = NULL, $post_id = NULL, $options = NULL) {

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<?php

/**
 * Update/Set a value for a field for a post
 * Warning: Highly untested!
 *
 * @param int $post_id
 * @param string $field_slug field key
 * @param int $numInSet if field is repeatable this tells what position it should be stored at. Default is null = add new
 * @param mixed $post_connector string __none__, __inherit__, or int id of post connector to use for this post, if no connector is defined already

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<?php

// Minimal amount of code
// to create a new field group 
// with one field
simple_fields_register_field_group('attachment', array(
    'name' => 'Attachment',
    'fields' => array(
        array(
            'name' => 'File',

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<?php

/**
 * This is an example field type extension for Simple Fields 
 * Use this as base or inspiration for your own fields
 */

// Make sure simple fields have loaded before we try to do anything. Will get errors otherwise.
add_action("plugins_loaded", "init_simple_fields_field_example");

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<?php

add_action("plugins_loaded", "init_simple_fields_field_minimalexample");

function init_simple_fields_field_minimalexample() {

	class simple_fields_field_minimalexample extends simple_fields_field {
	
		public $key = "minimalexample", $name = "Minimalistic example field";
		

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/**
 * get all values or just the from a field in a field group
 * @param $post_id
 * @param $field_name_or_id name as string or field group id and field id as array.
 * 		  for example array(3,2) to fetch field 2 from field group 3
 * @param $single bool return a single (the first) value or all values (as array)
 * @return string or array
 */
simple_fields_get_post_value($post_id, $field_name_or_id, $single = true)