';
return $image;
}
/***********************************************************
Catchall function for getting images with a link
***********************************************************/
function get_the_image_link($arr = false, $default_size = 'medium', $default_img = false) {
global $post;
$cf_array = load_the_image($arr, $post, $default_size);
$image = display_the_image($cf_array, $post, $default_size, $default_img);
if($image == false) :
$image_link = '';
else :
$post_perm = get_permalink($post->ID);
$image_link = "post_title\">$image";
endif;
return $image_link;
}
/***********************************************************
Function for loading an image
***********************************************************/
function load_the_image($custom_fields = false, $en_post, $default_size) {
// Checks only if there are custom fields to check for
if(isset($custom_fields)) {
// Loop through the custom fields, checking for images or video
$i = 0;
while(strcmp($image[0],'') == 0 && $i <= sizeof($custom_fields)) {
// Check custom field values for image, image alt text, and image class
$image = get_post_custom_values($key = $custom_fields[$i]);
$image_alt = get_post_custom_values($key = $custom_fields[$i] . ' Alt');
$image_class = get_post_custom_values($key = $custom_fields[$i] . ' Class');
// Convert custom field key name to image class
$img_class = $custom_fields[$i];
$img_class = strtolower($img_class);
$img_class = str_replace (" ", "-", $img_class);
// Add space to image class if user inputs an extra class
if($image_class == true) $image_class .= ' ';
// Add user image class to default image classes
if($default_size == 'thumbnail' && $img_class == 'thumbnail') $image_class .= $default_size;
elseif($default_size == 'medium' && $img_class == 'medium') $image_class .= $default_size;
elseif($default_size == 'full' && $img_class == 'full') $image_class .= $default_size;
else $image_class .= $img_class . ' ' . $default_size;
$i++;
} // End while loop
} // End check for custom field image
// If there is no image set through custom fields, check post attachments
if($image == false && $default_size == true) {
$img_att_arr = find_attachment_image($custom_fields[0], $en_post, $default_size);
if(strcmp($image_att_arr[0],'') == 0) :
$image = $img_att_arr[0];
$image_class = $img_att_arr[1];
$image_alt = false;
else :
$image = false; $image_alt = false; $image_class = false;
endif;
}
// Return array with an image, image alt, and image class
return array($image, $image_alt, $image_class);
}
/***********************************************************
Function for displaying an image
***********************************************************/
function display_the_image($cf_array = false, $en_post = false, $default_size = false, $default_img = false) {
// Set nice names for image info
if($cf_array[0] == false && $default_img == true) :
$image[0] = $default_img;
$image_class = $default_size;
else :
$image = $cf_array[0];
$image_alt = $cf_array[1];
$image_class = $cf_array[2];
endif;
// If there's any kind of image for this post
if(isset($image[0]) && strcmp($image[0],'') != 0) :
// Open img tag
$output = '
post_title;
// Image class
$output .= '" class="';
if(isset($image_class[0])) $output .= $image_class;
else $output .= 'left';
// Close img tag
$output .= '" />';
// If there's no image
else :
$output = false;
endif;
// Return the image
return $output;
}
/***********************************************************
Function for finding an attachment image.
Only called if no custom field images are set.
***********************************************************/
function find_attachment_image($custom_fields = false, $en_post = false, $default_size = 'medium') {
$custom = $custom_fields;
$custom = strtolower($custom);
$custom = str_replace (" ", "-", $custom);
// Don't repeat the same class name
if($custom == 'thumbnail' || $custom == 'medium' || $custom == 'full') $img_class = $default_size;
else $img_class = $custom . ' ' . $default_size;
$attachments = get_children( array('post_parent' => $en_post->ID, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID', 'numberposts' => 1) );
if($attachments == true) :
foreach($attachments as $id => $attachment) :
$img = wp_get_attachment_image_src($id, $default_size);
$img_arr[0] = $img;
endforeach;
$img_arr[1] = $img_class;
else :
$img_arr = false;
endif;
return $img_arr;
}
?>