Wordpress Snippets

README.md

Some of my favorites wordpress snippets

• Custom Post Types query
• Remove WP gallery shortcode from a post
• Get shortcode gallery pictures ids
• Embed video content from youtube vimeo URLs
• Import customs theme styles/scripts

custom-post-types-query.php

<?php
$args = array(
  'order' => 'DESC',
  'posts_per_page' => 10,
  'post_type' => 'slides',
  'post_status' => 'publish',
);
$my_query = new WP_Query($args);
?>

<!-- STARTOF #main -->
<div id="main">
  <div class="slides">
    <?php if($my_query->have_posts()) : while($my_query->have_posts()) : $my_query->the_post();
    $id = get_the_ID();
    $imgSize = 'wide-size';
    $dates = get_post_meta($id, 'slides_dates', true) || false;
    ?>
    <div class="item slide">
      <figure class="item-cover">
        <img src="<?php the_post_thumbnail_url($imgSize); ?>">
      </figure>
      <h2>
        <span><?php the_title(); ?></span>
        <?php if ($dates) : ?>
        <span class="date"><?php echo $dates; ?></span>
        <?php endif; ?>
      </h2>
    </div>
    <?php endwhile; endif; ?>
  </div>
</div>
<!-- ENDOF #main -->

<?php
wp_reset_postdata();
?>

embed-video-content-youtube-vimeo.php

<?php

function get_post_vimeo_id ($url_teaser) {
  $regex = '/(http|https)?:\/\/(www\.)?vimeo.com\/(?:channels\/(?:\w+\/)?|groups\/([^\/]*)\/videos\/|)(\d+)(?:|\/\?)/';
  preg_match($regex, $url_teaser, $ids);
  return $ids[4];
}

function get_post_youtube_id ($url_teaser) {
  $regex = '/(youtu\.be\/|youtube\.com\/(watch\?(.*&)?v=|(embed|v)\/))([^\?&"\'>]+)/';
  preg_match($regex, $url_teaser, $ids);
  return $ids[5];
}

?>



<!-- STARTOF #teaser -->
<?php if (isset($teaser) && !empty($teaser)) : ?>
<div class="teaser-wrapper">
  <div class="teaser">
    <?php if (strpos($teaser, 'vimeo') !== false) : ?>
      <?php $url = get_post_vimeo_id($teaser); ?>
      <?php $url = 'https://player.vimeo.com/video/'.$url.'?title=0&byline=0&portrait=0'; ?>
    <?php elseif (strpos($teaser, 'youtube') !== false) : ?>
      <?php $url = get_post_youtube_id($teaser); ?>
      <?php $url = 'https://www.youtube.com/embed/'.$url.'?rel=0'; ?>
    <?php endif; ?>
    <iframe
      src="<?php echo $url; ?>"
      width="100%"
      height="100%"
      frameborder="0"
      webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
  </div>
</div>
<?php endif; ?>
<!-- ENDOF #teaser -->

get-shortcode-pictures-ids.php

<?php

/**
 * Returns an array of image ID
 * @param  [type] $shortcode [description]
 * @return [type]            [description]
 */
function get_shortcode_pictures_ids ($shortcode) {
  preg_match('/\[gallery.*ids=.(.*).\]/', $shortcode, $ids);
  $valid = $ids && is_array($ids) && !empty($ids);
  if (!$valid) {
    return array();
  }
  $array_id = explode(",", $ids[1]);
  return $array_id;
}

?>

import-custom-theme-styles-scripts.php

<?php
function my_theme_styles () {
  $slug = 'my_theme';
  $path = (get_template_directory_uri() . '/style.css');
  wp_register_style($slug, $path, array(), '1.0', 'all');
  // Enqueue it!
  wp_enqueue_style($slug);
}

function my_theme_scripts () {
  $theme = 'my_theme';
  $path = (get_template_directory_uri() . '/js/scripts.js');
  wp_enqueue_script($theme, $path, array(), '1.0', 'all');
}


add_action('wp_enqueue_scripts', 'my_theme_styles');
add_action('wp_enqueue_scripts', 'my_theme_scripts');
?>

remove-gallery-shortcode-content.php

<?php

/**
 * Remove gallery shortcode form content
 * [gallery ids="5,6,7,8"]-
 * @param $types - embed|wp_caption|caption|gallery|playlist|audio|video
 */
function get_post_raw_content ($types='') {
  // $shortcode_regex = get_shortcode_regex();
  $shortcode_regex = array(
    '\[(\[?)(gallery)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*+(?:\[(?!\/\2\])[^\[]*+)*+)\[\/\2\])?)(\]?)'
  );
  global $post;
  $content = get_the_content();
  $pattern = join($types, $shortcode_regex);
  $content = preg_replace('/'. $pattern .'/s', '', $content);
  return $content;
}

?>