## mark a section (Learn more)

<?php /********* Post Image Functions ********/ // Container function function post_image($width = 460, $height = 170) { global $post; echo find_image($post->ID, $width, $height); } // Check custom field, otherwise use first image function find_image($id, $width, $height) { if (custom_image($id)) { if (custom_image($id) != 'none') { return timthumb(custom_image($id), $width, $height); } } elseif (first_image($id)) { if (!is_single()) { return timthumb(first_image($id), $width, $height); } } else { return false; } } // Image from custom field function custom_image($id) { return get_post_meta($id, 'image', true); } // First image attached to post function first_image($id) { global $wpdb; $first_image = $wpdb->get_results("SELECT guid FROM $wpdb->posts WHERE post_parent = '$id' AND post_type = 'attachment' ORDER BY `post_date` ASC LIMIT 0,1"); if ($first_image) { return $first_image[0]->guid; } } // Build & resize image function timthumb($image, $width, $height) { $image_parsed = parse_url($image); $url_parsed = parse_url(get_permalink()); // TimThumb can only process images on the same domain as it is // If the image IS at the same domain // AND it hasn't been disabled in the admin panel, then process it // Otherwise, resize with raw HTML if (get_option('viva_timthumb') != 'on' && $image_parsed['host'] == $url_parsed['host']) { $path = get_bloginfo('template_directory') . '/viva/post-preview/timthumb.php?src=' . $image . '&amp;w=' . $width . '&amp;h=' . $height . '&amp;zc=1'; } else { // Remote image or TimThumb is disabled in Admin Panel $path = $image; } return '<img src="' . $path . '" alt="Post Image" width="' . $width . '" height="' . $height . '" />'; }

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