public function get_term_images($num = 0, $size_name = 'thumbnail', $term_id, $check_dupes = true, $force_regen = false, $meta_pre = 'og', $tag_pre = 'og')
{
if ($this->p->debug->enabled) {
$this->p->debug->args(array('num' => $num, 'size_name' => $size_name, 'term_id' => $term_id, 'check_dupes' => $check_dupes, 'force_regen' => $force_regen, 'meta_pre' => $meta_pre, 'tag_pre' => $tag_pre));
}
$meta_ret = array();
$meta_image = SucomUtil::meta_image_tags($tag_pre);
if (empty($term_id)) {
return $meta_ret;
}
foreach (apply_filters($this->p->cf['lca'] . '_term_image_ids', array(), $term_id) as $pid) {
if ($pid > 0) {
list($meta_image[$tag_pre . ':image'], $meta_image[$tag_pre . ':image:width'], $meta_image[$tag_pre . ':image:height'], $meta_image[$tag_pre . ':image:cropped'], $meta_image[$tag_pre . ':image:id']) = $this->p->media->get_attachment_image_src($pid, $size_name, $check_dupes, $force_regen);
if (!empty($meta_image[$tag_pre . ':image']) && $this->p->util->push_max($meta_ret, $meta_image, $num)) {
return $meta_ret;
}
}
}
return $meta_ret;
}
public function get_content_images($num = 0, $size_name = 'thumbnail', $post_id = 0, $check_dupes = true, $content = '')
{
if ($this->p->debug->enabled) {
$this->p->debug->args(array('num' => $num, 'size_name' => $size_name, 'post_id' => $post_id, 'check_dupes' => $check_dupes, 'content' => strlen($content) . ' chars'));
}
$og_ret = array();
$og_image = SucomUtil::meta_image_tags('og');
$size_info = $this->get_size_info($size_name);
// allow custom content to be passed as argument
if (empty($content)) {
$content = $this->p->webpage->get_content($post_id, false);
}
// use_post = false
if (empty($content)) {
if ($this->p->debug->enabled) {
$this->p->debug->log('exiting early: empty post content');
}
return $og_ret;
}
// img attributes in order of preference
// data_tags_preg provides a filter hook for 3rd party modules like ngg to return image information
if (preg_match_all('/<(' . $this->data_tags_preg . '[^>]*? ' . $this->data_attr_preg . '=[\'"]([0-9]+)[\'"]|' . '(img)[^>]*? (data-share-src|src)=[\'"]([^\'"]+)[\'"])[^>]*>/s', $content, $match, PREG_SET_ORDER)) {
if ($this->p->debug->enabled) {
$this->p->debug->log(count($match) . ' x matching <' . $this->data_tags_preg . '/> html tag(s) found');
}
foreach ($match as $img_num => $img_arr) {
$tag_value = $img_arr[0];
if (empty($img_arr[5])) {
$tag_name = $img_arr[2];
// img
$attr_name = $img_arr[3];
// data-wp-pid
$attr_value = $img_arr[4];
// id
} else {
$tag_name = $img_arr[5];
// img
$attr_name = $img_arr[6];
// data-share-src|src
$attr_value = $img_arr[7];
// url
}
if ($this->p->debug->enabled) {
$this->p->debug->log('match ' . $img_num . ': ' . $tag_name . ' ' . $attr_name . '="' . $attr_value . '"');
}
switch ($attr_name) {
case 'data-wp-pid':
list($og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $og_image['og:image:cropped'], $og_image['og:image:id']) = $this->get_attachment_image_src($attr_value, $size_name, false);
break;
// filter hook for 3rd party modules to return image information
// filter hook for 3rd party modules to return image information
case preg_match('/^data-[a-z]+-pid$/', $attr_name) ? true : false:
$filter_name = $this->p->cf['lca'] . '_get_content_' . $tag_name . '_' . preg_replace('/-/', '_', $attr_name);
list($og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $og_image['og:image:cropped'], $og_image['og:image:id']) = apply_filters($filter_name, array(null, null, null, null), $attr_value, $size_name, false);
break;
default:
// prevent duplicates by silently ignoring ngg images (already processed by the ngg module)
if ($this->p->is_avail['media']['ngg'] === true && !empty($this->p->mods['media']['ngg']) && (strpos($tag_value, " class='ngg-") !== false || preg_match('/^' . $this->p->mods['media']['ngg']->img_src_preg . '$/', $attr_value))) {
break;
}
// stop here
// recognize gravatar images in the content
if (preg_match('/^https?:\\/\\/([^\\.]+\\.)?gravatar\\.com\\/avatar\\/[a-zA-Z0-9]+/', $attr_value, $match)) {
$og_image['og:image'] = $match[0] . '?s=' . $size_info['width'] . '&d=404&r=G';
$og_image['og:image:width'] = $size_info['width'];
$og_image['og:image:height'] = $size_info['width'];
// square image
break;
// stop here
}
$og_image = array('og:image' => $attr_value, 'og:image:width' => -1, 'og:image:height' => -1);
// try and get the width and height from the image attributes
if (!empty($og_image['og:image'])) {
if (preg_match('/ width=[\'"]?([0-9]+)[\'"]?/i', $tag_value, $match)) {
$og_image['og:image:width'] = $match[1];
}
if (preg_match('/ height=[\'"]?([0-9]+)[\'"]?/i', $tag_value, $match)) {
$og_image['og:image:height'] = $match[1];
}
}
$is_sufficient_width = $og_image['og:image:width'] >= $size_info['width'] ? true : false;
$is_sufficient_height = $og_image['og:image:height'] >= $size_info['height'] ? true : false;
// make sure the image width and height are large enough
if ($attr_name == 'data-share-src' || $attr_name == 'src' && empty($this->p->options['plugin_ignore_small_img']) || $attr_name == 'src' && $size_info['crop'] === 1 && $is_sufficient_width && $is_sufficient_height || $attr_name == 'src' && $size_info['crop'] !== 1 && ($is_sufficient_width || $is_sufficient_height)) {
// data-share-src attribute used and/or image size is acceptable
// check for relative urls, just in case
$og_image['og:image'] = $this->p->util->fix_relative_url($og_image['og:image']);
} else {
if ($this->p->debug->enabled) {
$this->p->debug->log('image rejected: width / height attributes missing or too small for ' . $size_name);
if (is_admin()) {
$this->p->notice->err('Image ' . $og_image['og:image'] . ' rejected - width / height missing or too small for ' . $size_name . '.');
}
}
$og_image = array();
}
break;
}
if (!empty($og_image['og:image']) && ($check_dupes === false || $this->p->util->is_uniq_url($og_image['og:image'], $size_name))) {
if ($this->p->util->push_max($og_ret, $og_image, $num)) {
return $og_ret;
}
}
}
return $og_ret;
}
if ($this->p->debug->enabled) {
$this->p->debug->log('no matching <' . $this->data_tags_preg . '/> html tag(s) found');
}
return $og_ret;
}
public function get_content_images($num = 0, $size_name = 'thumbnail', $post_id = 0, $check_dupes = true, $content = '')
{
if ($this->p->debug->enabled) {
$this->p->debug->args(array('num' => $num, 'size_name' => $size_name, 'post_id' => $post_id, 'check_dupes' => $check_dupes, 'content' => strlen($content) . ' chars'));
}
$og_ret = array();
// allow custom content to be passed as argument
if (empty($content)) {
$content_provided = false;
$content = $this->p->webpage->get_content($post_id, false);
// use_post = false
} else {
$content_provided = true;
}
if (empty($content)) {
if ($this->p->debug->enabled) {
$this->p->debug->log('exiting early: empty post content');
}
return $og_ret;
}
$og_image = SucomUtil::meta_image_tags('og');
$size_info = $this->get_size_info($size_name);
$img_preg = $this->default_img_preg;
// allow the html_tag and pid_attr regex to be modified
foreach (array('html_tag', 'pid_attr') as $type) {
$filter_name = $this->p->cf['lca'] . '_content_image_preg_' . $type;
if (has_filter($filter_name)) {
$img_preg[$type] = apply_filters($filter_name, $this->default_img_preg[$type]);
if ($this->p->debug->enabled) {
$this->p->debug->log('filtered image preg ' . $type . ' = \'' . $img_preg[$type] . '\'');
}
}
}
// img attributes in order of preference
if (preg_match_all('/<((' . $img_preg['html_tag'] . ')[^>]*? (' . $img_preg['pid_attr'] . ')=[\'"]([0-9]+)[\'"]|' . '(img)[^>]*? (data-share-src|src)=[\'"]([^\'"]+)[\'"])[^>]*>/s', $content, $all_matches, PREG_SET_ORDER)) {
if ($this->p->debug->enabled) {
$this->p->debug->log(count($all_matches) . ' x matching <' . $img_preg['html_tag'] . '/> html tag(s) found');
}
foreach ($all_matches as $img_num => $img_arr) {
$tag_value = $img_arr[0];
if (empty($img_arr[5])) {
$tag_name = $img_arr[2];
// img
$attr_name = $img_arr[3];
// data-wp-pid
$attr_value = $img_arr[4];
// id
} else {
$tag_name = $img_arr[5];
// img
$attr_name = $img_arr[6];
// data-share-src|src
$attr_value = $img_arr[7];
// url
}
if ($this->p->debug->enabled) {
$this->p->debug->log('match ' . $img_num . ': ' . $tag_name . ' ' . $attr_name . '="' . $attr_value . '"');
}
switch ($attr_name) {
// wordpress media library image id
case 'data-wp-pid':
list($og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $og_image['og:image:cropped'], $og_image['og:image:id']) = $this->get_attachment_image_src($attr_value, $size_name, false);
break;
// check for other data attributes like 'data-ngg-pid'
// check for other data attributes like 'data-ngg-pid'
case preg_match('/^' . $img_preg['pid_attr'] . '$/', $attr_name) ? true : false:
// build a filter hook for 3rd party modules to return image information
$filter_name = $this->p->cf['lca'] . '_get_content_' . $tag_name . '_' . preg_replace('/-/', '_', $attr_name);
list($og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $og_image['og:image:cropped'], $og_image['og:image:id']) = apply_filters($filter_name, array(null, null, null, null, null), $attr_value, $size_name, false);
break;
default:
// prevent duplicates by silently ignoring ngg images (already processed by the ngg module)
if ($this->p->is_avail['media']['ngg'] === true && !empty($this->p->mods['media']['ngg']) && (preg_match('/ class=[\'"]ngg[_-]/', $tag_value) || preg_match('/^(' . $img_preg['ngg_src'] . ')$/', $attr_value))) {
break;
}
// stop here
// recognize gravatar images in the content
if (preg_match('/^https?:\\/\\/([^\\.]+\\.)?gravatar\\.com\\/avatar\\/[a-zA-Z0-9]+/', $attr_value, $match)) {
$og_image['og:image'] = $match[0] . '?s=' . $size_info['width'] . '&d=404&r=G';
$og_image['og:image:width'] = $size_info['width'];
$og_image['og:image:height'] = $size_info['width'];
// square image
break;
// stop here
}
// check for image ID in class for old content w/o the data-wp-pid attribute
if (preg_match('/class="[^"]+ wp-image-([0-9]+)/', $tag_value, $match)) {
list($og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $og_image['og:image:cropped'], $og_image['og:image:id']) = $this->get_attachment_image_src($match[1], $size_name, false);
break;
// stop here
} else {
$og_image = array('og:image' => $attr_value, 'og:image:width' => -1, 'og:image:height' => -1);
}
// try and get the width and height from the image attributes
if (!empty($og_image['og:image'])) {
if (preg_match('/ width=[\'"]?([0-9]+)[\'"]?/i', $tag_value, $match)) {
$og_image['og:image:width'] = $match[1];
}
if (preg_match('/ height=[\'"]?([0-9]+)[\'"]?/i', $tag_value, $match)) {
$og_image['og:image:height'] = $match[1];
}
}
$is_sufficient_width = $og_image['og:image:width'] >= $size_info['width'] ? true : false;
$is_sufficient_height = $og_image['og:image:height'] >= $size_info['height'] ? true : false;
$accept_img_size = apply_filters($this->p->cf['lca'] . '_content_accept_img_size', empty($this->p->options['plugin_ignore_small_img']) ? true : false, $og_image['og:image'], $og_image['og:image:width'], $og_image['og:image:height'], $size_name, $post_id);
// make sure the image width and height are large enough
if ($attr_name == 'src' && $accept_img_size || $attr_name == 'src' && $size_info['crop'] && ($is_sufficient_width && $is_sufficient_height) || $attr_name == 'src' && !$size_info['crop'] && ($is_sufficient_width || $is_sufficient_height) || $attr_name == 'data-share-src') {
// data-share-src attribute used and/or image size is acceptable
// check for relative urls, just in case
$og_image['og:image'] = $this->p->util->fix_relative_url($og_image['og:image']);
} else {
if ($this->p->debug->enabled) {
$this->p->debug->log('content image rejected: ' . 'width / height missing or too small for ' . $size_name);
}
if (is_admin()) {
$short = $this->p->cf['plugin'][$this->p->cf['lca']]['short'];
$size_label = $this->p->util->get_image_size_label($size_name);
$msg_id = 'content_' . $og_image['og:image'] . '_' . $size_name . '_rejected';
if (!$content_provided) {
$data_wp_pid_msg = ' ' . sprintf(__('%1$s includes an additional \'data-wp-pid\' attribute for images from the Media Library to supplement the width / height information — if this image was selected from the Media Library before %2$s was first activated, try removing and adding the image back to your content.', 'nextgen-facebook'), $short, $short);
} else {
$data_wp_pid_msg = '';
}
$this->p->notice->err(sprintf(__('Content image %1$s has been ignored — the image width / height attributes are missing or too small for the %2$s image dimensions.', 'nextgen-facebook'), $og_image['og:image'], $size_label . ' (' . $size_name . ')') . $data_wp_pid_msg, false, true, $msg_id, true);
}
$og_image = array();
}
break;
}
if (!empty($og_image['og:image']) && ($check_dupes === false || $this->p->util->is_uniq_url($og_image['og:image'], $size_name))) {
if ($this->p->util->push_max($og_ret, $og_image, $num)) {
return $og_ret;
}
}
}
return $og_ret;
}
if ($this->p->debug->enabled) {
$this->p->debug->log('no matching <' . $img_preg['html_tag'] . '/> html tag(s) found');
}
return $og_ret;
}
public function get_meta_image($num = 0, $size_name = 'thumbnail', $id, $check_dupes = true, $force_regen = false, $meta_pre = 'og', $tag_pre = 'og')
{
if ($this->p->debug->enabled) {
$this->p->debug->args(array('num' => $num, 'size_name' => $size_name, 'id' => $id, 'check_dupes' => $check_dupes, 'force_regen' => $force_regen, 'meta_pre' => $meta_pre, 'tag_pre' => $tag_pre), get_class($this));
}
$meta_ret = array();
$meta_image = SucomUtil::meta_image_tags($tag_pre);
if (empty($id)) {
return $meta_ret;
}
foreach (array_unique(array($meta_pre, 'og')) as $prefix) {
$pid = $this->get_options($id, $prefix . '_img_id');
$pre = $this->get_options($id, $prefix . '_img_id_pre');
$url = $this->get_options($id, $prefix . '_img_url');
if ($pid > 0) {
$pid = $pre === 'ngg' ? 'ngg-' . $pid : $pid;
if ($this->p->debug->enabled) {
$this->p->debug->log('using custom ' . $prefix . ' image id = "' . $pid . '"', get_class($this));
}
// log extended class name
list($meta_image[$tag_pre . ':image'], $meta_image[$tag_pre . ':image:width'], $meta_image[$tag_pre . ':image:height'], $meta_image[$tag_pre . ':image:cropped'], $meta_image[$tag_pre . ':image:id']) = $this->p->media->get_attachment_image_src($pid, $size_name, $check_dupes, $force_regen);
}
if (empty($meta_image[$tag_pre . ':image']) && !empty($url)) {
if ($this->p->debug->enabled) {
$this->p->debug->log('using custom ' . $prefix . ' image url = "' . $url . '"', get_class($this));
}
// log extended class name
list($meta_image[$tag_pre . ':image'], $meta_image[$tag_pre . ':image:width'], $meta_image[$tag_pre . ':image:height'], $meta_image[$tag_pre . ':image:cropped'], $meta_image[$tag_pre . ':image:id']) = array($url, -1, -1, -1, -1);
}
if (!empty($meta_image[$tag_pre . ':image']) && $this->p->util->push_max($meta_ret, $meta_image, $num)) {
return $meta_ret;
}
}
return $meta_ret;
}
