PHP img_caption_shortcode函数代码示例

 function test_new_img_caption_shortcode_new_format_and_linked_image_with_newline()
 {
     $linked_image = "<a href='#'>{$this->img_content}</a>";
     $result = img_caption_shortcode(array('width' => 20), $linked_image . "\n\n" . $this->html_content);
     $img_preg = preg_quote($linked_image);
     $content_preg = preg_quote($this->html_content);
     $this->assertEquals(1, preg_match_all("~{$img_preg}.*wp-caption-text~", $result, $_r));
     $this->assertEquals(1, preg_match_all("~wp-caption-text.*{$content_preg}~", $result, $_r));
 }

/**
 * Output a formatted attachment image.
 *
 * @since  1.0.0
 * @access public
 * @return string
 */
function carelib_get_attachment_image()
{
    if (!wp_attachment_is_image()) {
        return false;
    }
    $image = wp_get_attachment_image(get_the_ID(), 'full', false, array('class' => 'aligncenter'));
    if (has_excerpt()) {
        $src = wp_get_attachment_image_src(get_the_ID(), 'full');
        $image = img_caption_shortcode(array('align' => 'aligncenter', 'width' => esc_attr($src[1]), 'caption' => get_the_excerpt()), wp_get_attachment_image(get_the_ID(), 'full', false));
    }
    return apply_filters("{$GLOBALS['carelib_prefix']}_carelib_attachment_image", $image);
}

/**
 * Output a formatted attachment image.
 *
 * @since  1.0.0
 * @access public
 * @return void
 */
function alpha_attachment_image()
{
    if (!wp_attachment_is_image()) {
        return;
    }
    alpha_null_the_content();
    $image = wp_get_attachment_image(get_the_ID(), 'full', false, array('class' => 'aligncenter'));
    if (has_excerpt()) {
        $src = wp_get_attachment_image_src(get_the_ID(), 'full');
        $image = img_caption_shortcode(array('align' => 'aligncenter', 'width' => esc_attr($src[1]), 'caption' => get_the_excerpt()), wp_get_attachment_image(get_the_ID(), 'full', false));
    }
    echo $image;
}

/**
 * Display Attachment Image with caption if available.
 * @since 0.1.0
 */
function tamatebako_attachment_image($mime = '', $file = '')
{
    /* If image has excerpt / caption. */
    if (has_excerpt()) {
        /* Image URL */
        $src = wp_get_attachment_image_src(get_the_ID(), 'full');
        /* Display image with caption */
        return img_caption_shortcode(array('align' => 'aligncenter', 'width' => esc_attr($src[1]), 'caption' => get_the_excerpt()), wp_get_attachment_image(get_the_ID(), 'full', false));
    } else {
        /* Display image without caption. */
        return wp_get_attachment_image(get_the_ID(), 'full', false, array('class' => 'aligncenter'));
    }
}

if (is_attachment(get_the_ID())) {
    // If viewing a single attachment.
    ?>

		<?php 
    if (has_excerpt()) {
        // If the image has an excerpt/caption.
        ?>

			<?php 
        $src = wp_get_attachment_image_src(get_the_ID(), 'full');
        ?>

			<div class="featured-media">
				<?php 
        echo img_caption_shortcode(array('align' => 'aligncenter', 'width' => esc_attr($src[1]), 'caption' => get_the_excerpt()), wp_get_attachment_image(get_the_ID(), 'saga-large', false));
        ?>
			</div><!-- .featured-media -->

		<?php 
    } else {
        // If the image doesn't have a caption.
        ?>

			<div class="featured-media">
				<?php 
        echo wp_get_attachment_image(get_the_ID(), 'saga-large', false, array('class' => 'aligncenter'));
        ?>
			</div><!-- .featured-media -->

		<?php 

 public static function shortcode($atts, $content = '', $tag = 'cn_thumb')
 {
     // Grab an instance of the Connections object.
     $instance = Connections_Directory();
     $permitted = array('attachment', 'featured', 'path', 'url', 'logo', 'photo');
     $defaults = array('type' => 'url', 'source' => NULL, 'align' => 'alignnone', 'height' => 0, 'width' => 0, 'negate' => FALSE, 'grayscale' => FALSE, 'brightness' => 0, 'colorize' => NULL, 'contrast' => 0, 'detect_edges' => FALSE, 'emboss' => FALSE, 'gaussian_blur' => FALSE, 'blur' => FALSE, 'sketchy' => FALSE, 'sharpen' => FALSE, 'smooth' => NULL, 'opacity' => 100, 'crop_mode' => 1, 'crop_focus' => array(0.5, 0.5), 'crop_only' => FALSE, 'canvas_color' => '#FFFFFF', 'quality' => 90);
     $defaults = apply_filters('cn_thumb_shortcode_atts', $defaults);
     $atts = shortcode_atts($defaults, $atts, $tag);
     if (!in_array($atts['type'], $permitted)) {
         return __('Valid image source type not supplied.', 'connections');
     }
     /*
      * Convert some of the $atts values in the array to boolean because the Shortcode API passes all values as strings.
      */
     cnFormatting::toBoolean($atts['negate']);
     cnFormatting::toBoolean($atts['grayscale']);
     cnFormatting::toBoolean($atts['detect_edges']);
     cnFormatting::toBoolean($atts['emboss']);
     cnFormatting::toBoolean($atts['gaussian_blur']);
     cnFormatting::toBoolean($atts['blur']);
     cnFormatting::toBoolean($atts['sketchy']);
     cnFormatting::toBoolean($atts['sharpen']);
     // cnFormatting::toBoolean( $atts['crop'] );
     cnFormatting::toBoolean($atts['crop_only']);
     switch ($atts['type']) {
         case 'attachment':
             $source = wp_get_attachment_url(absint($atts['source']));
             break;
         case 'featured':
             $source = wp_get_attachment_url(get_post_thumbnail_id());
             break;
         case 'path':
             $source = $atts['source'];
             break;
         case 'url':
             $source = esc_url($atts['source']);
             break;
         case 'logo':
             $result = $instance->retrieve->entry(absint($atts['source']));
             $entry = new cnEntry($result);
             $meta = $entry->getImageMeta(array('type' => 'logo'));
             if (is_wp_error($meta)) {
                 // Display the error messages.
                 return implode(PHP_EOL, $meta->get_error_messages());
             }
             $source = $meta['url'];
             break;
         case 'photo':
             $result = $instance->retrieve->entry(absint($atts['source']));
             $entry = new cnEntry($result);
             $meta = $entry->getImageMeta(array('type' => 'photo'));
             if (is_wp_error($meta)) {
                 // Display the error messages.
                 return implode(PHP_EOL, $meta->get_error_messages());
             }
             $source = $meta['url'];
             break;
     }
     // Unset $atts['source'] because passing that $atts to cnImage::get() extracts and overwrite the $source var.
     unset($atts['source']);
     $image = cnImage::get($source, $atts, 'data');
     if (is_wp_error($image)) {
         // Display the error messages.
         return implode(PHP_EOL, $image->get_error_messages());
     } elseif ($image === FALSE) {
         return __('An error has occured while creating the thumbnail.', 'connections');
     }
     $out = img_caption_shortcode(array('align' => $atts['align'], 'width' => $image['width']), '<img class="cn-image" src="' . $image['url'] . '" width="' . $image['width'] . '" height="' . $image['height'] . '" />' . $content);
     if (defined('WP_DEBUG') && WP_DEBUG === TRUE) {
         $out = $out . '<pre>' . $image['log'] . '</pre>';
     }
     return $out;
 }

function daysinjapan_fixed_img_caption_shortcode($attr, $content = null)
{
    $caption = img_caption_shortcode($attr, $content);
    $caption = str_replace('class="wp-caption', 'class="wp-caption entry-image', $caption);
    return $caption;
}

 /**
  * Formats the image HTML.  This method is only called if the `$image` property isn't set.  It uses
  * the `$image_args` property to set up the image.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function format_image()
 {
     /* If there is no image URL, return false. */
     if (empty($this->image_args['src'])) {
         return;
     }
     /* Check against min. width. If the image width is too small return. */
     if (0 < $this->args['min_width'] && isset($this->image_args['width']) && $this->image_args['width'] < $this->args['min_width']) {
         return;
     }
     /* Check against min. height. If the image height is too small return. */
     if (0 < $this->args['min_height'] && isset($this->image_args['height']) && $this->image_args['height'] < $this->args['min_height']) {
         return;
     }
     /* Empty classes array. */
     $classes = array();
     /* If there is alt text, set it.  Otherwise, default to the post title. */
     $image_alt = !empty($this->image_args['alt']) ? $this->image_args['alt'] : get_post_field('post_title', $this->args['post_id']);
     /* If there's a width/height for the image. */
     if (isset($this->image_args['width']) && isset($this->image_args['height'])) {
         /* Set a class based on the orientation. */
         $classes[] = $this->image_args['height'] > $this->image_args['width'] ? 'portrait' : 'landscape';
         /* If an explicit width/height is not set, use the info from the image. */
         if (empty($this->args['width']) && empty($this->args['height'])) {
             $this->args['width'] = $this->image_args['width'];
             $this->args['height'] = $this->image_args['height'];
         }
     }
     /* If there is a width or height, set them as HMTL-ready attributes. */
     $width = $this->args['width'] ? ' width="' . esc_attr($this->args['width']) . '"' : '';
     $height = $this->args['height'] ? ' height="' . esc_attr($this->args['height']) . '"' : '';
     /* Add the meta key(s) to the classes array. */
     if (!empty($this->args['meta_key'])) {
         $classes = array_merge($classes, (array) $this->args['meta_key']);
     }
     /* Add the $size to the class. */
     $classes[] = $this->args['size'];
     /* Get the custom image class. */
     if (!empty($this->args['image_class'])) {
         if (!is_array($this->args['image_class'])) {
             $this->args['image_class'] = preg_split('#\\s+#', $this->args['image_class']);
         }
         $classes = array_merge($classes, $this->args['image_class']);
     }
     /* Sanitize all the classes. */
     $classes = $this->sanitize_class($classes);
     /* Join all the classes into a single string and make sure there are no duplicates. */
     $class = join(' ', $classes);
     /* Add the image attributes to the <img /> element. */
     $html = sprintf('<img src="%s" alt="%s" class="%s"%s itemprop="image" />', esc_attr($this->image_args['src']), esc_attr(strip_tags($image_alt)), $class, $width . $height);
     /* If $link_to_post is set to true, link the image to its post. */
     if ($this->args['link_to_post']) {
         $html = '<a href="' . get_permalink($this->args['post_id']) . '" title="' . esc_attr(get_post_field('post_title', $this->args['post_id'])) . '">' . $html . '</a>';
     }
     /* If there is a $post_thumbnail_id, apply the WP filters normally associated with get_the_post_thumbnail(). */
     if (!empty($this->image_args['post_thumbnail_id'])) {
         $html = apply_filters('post_thumbnail_html', $html, $this->args['post_id'], $this->image_args['post_thumbnail_id'], $this->args['size'], '');
     }
     /* If we're showing a caption. */
     if (true === $this->args['caption'] && !empty($this->image_args['caption'])) {
         $html = img_caption_shortcode(array('caption' => $this->image_args['caption'], 'width' => $this->args['width']), $html);
     }
     $this->image = $html;
 }

/**
 * Formats an image with appropriate alt text and class.  Adds a link to the post if argument is set.  Should 
 * only be called if there is an image to display, but will handle it if not.
 *
 * @since 0.7.0
 * @access private
 * @param array $args Arguments for how to load and display the image.
 * @param array $image Array of image attributes ($image, $classes, $alt, $caption).
 * @return string $image Formatted image (w/link to post if the option is set).
 */
function get_the_image_format($args = array(), $image = false)
{
    /* If there is no image URL, return false. */
    if (empty($image['src'])) {
        return false;
    }
    /* Extract the arguments for easy-to-use variables. */
    extract($args);
    /* If there is alt text, set it.  Otherwise, default to the post title. */
    $image_alt = !empty($image['alt']) ? $image['alt'] : get_post_field('post_title', $post_id);
    /* If there is a width or height, set them as HMTL-ready attributes. */
    $width = $width ? ' width="' . esc_attr($width) . '"' : '';
    $height = $height ? ' height="' . esc_attr($height) . '"' : '';
    /* Loop through the custom field keys and add them as classes. */
    if (is_array($meta_key)) {
        foreach ($meta_key as $key) {
            $classes[] = $key;
        }
    }
    /* Add the $size to the class. */
    $classes[] = $size;
    /* Get the custom image class. */
    if (!empty($image_class)) {
        if (!is_array($image_class)) {
            $image_class = preg_split('#\\s+#', $image_class);
        }
        $classes = array_merge($classes, $image_class);
    }
    /* Sanitize all the classes. */
    $classes = array_map('sanitize_html_class', $classes);
    /* Join all the classes into a single string and make sure there are no duplicates. */
    $class = join(' ', array_unique($classes));
    /* Add the image attributes to the <img /> element. */
    $html = '<img src="' . $image['src'] . '" alt="' . esc_attr(strip_tags($image_alt)) . '" class="' . esc_attr($class) . '"' . $width . $height . ' />';
    /* If $link_to_post is set to true, link the image to its post. */
    if ($link_to_post) {
        $html = '<a href="' . get_permalink($post_id) . '" title="' . esc_attr(get_post_field('post_title', $post_id)) . '">' . $html . '</a>';
    }
    /* If there is a $post_thumbnail_id, apply the WP filters normally associated with get_the_post_thumbnail(). */
    if (!empty($image['post_thumbnail_id'])) {
        $html = apply_filters('post_thumbnail_html', $html, $post_id, $image['post_thumbnail_id'], $size, '');
    }
    /* If we're showing a caption. */
    if (true === $args['caption'] && !empty($image['caption'])) {
        $html = img_caption_shortcode(array('caption' => $image['caption'], 'width' => $args['width']), $html);
    }
    return $html;
}

/**
 * This function filters the attachment markup to be prepended to the post content.
 *
 * @author Justin Tadlock <justin@justintadlock.com>
 * @author Cherry Team <support@cherryframework.com>
 * @since  4.0.0
 * @param  string $p The attachment HTML output.
 */
function cherry_attachment_content($p)
{
    if (is_attachment()) {
        $attr = array('align' => 'aligncenter', 'width' => '', 'caption' => '');
        $post_id = get_the_ID();
        if (wp_attachment_is_image($post_id)) {
            $src = wp_get_attachment_image_src(get_the_ID(), 'full');
            if (is_array($src) && !empty($src)) {
                $attr['width'] = esc_attr($src[1]);
                $content = wp_get_attachment_image(get_the_ID(), 'full', false, array('class' => 'aligncenter'));
            }
        } elseif (cherry_attachment_is_audio($post_id) || cherry_attachment_is_video($post_id)) {
            $attr['width'] = cherry_get_content_width();
            $content = $p;
        } else {
            return $p;
        }
        if (!has_excerpt()) {
            return $content;
        }
        $attr['caption'] = get_the_excerpt();
        $output = img_caption_shortcode($attr, $content);
        return $output;
    }
    return $p;
}

 function filtered_caption_shortcode($attr, $content = null)
 {
     if (isset($attr['caption']) && strpos($attr['caption'], '<') !== false) {
         $attr['caption'] = wp_kses($attr['caption'], 'post');
     }
     return img_caption_shortcode($attr, $content);
 }

/**
 * Modified Caption shortcode.
 *
 * Fixes the new style caption shortcode parsing and then calls the stock
 * shortcode function.
 *
 * @param array $attr Attributes attributed to the shortcode.
 * @param string $content Optional. Shortcode content.
 * @return string
 */
function media_credit_caption_shortcode($attr, $content = null)
{
    // New-style shortcode with the caption inside the shortcode with the link and image tags.
    if (!isset($attr['caption'])) {
        if (preg_match('#((?:\\[media-credit[^\\]]+\\]\\s*)(?:<a [^>]+>\\s*)?<img [^>]+>(?:\\s*</a>)?(?:\\s*\\[/media-credit\\])?)(.*)#is', $content, $matches)) {
            $content = $matches[1];
            $attr['caption'] = trim($matches[2]);
        }
    }
    return img_caption_shortcode($attr, $content);
}

 /**
  * Add the new class to the caption.
  *
  * @param  array  $attr    Shortcode attributes
  * @param  string $content Caption text
  * @return string
  */
 static function wpse_74735_caption_shortcode($attr, $content = NULL)
 {
     $caption = img_caption_shortcode($attr, $content);
     $caption = str_replace('a href="', 'a class="mp-item" href="', $caption);
     return $caption;
 }

 /**
  * Formats the image HTML.  This method is only called if the `$image` property isn't set.  It uses
  * the `$image_args` property to set up the image.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function format_image()
 {
     // If there is no image URL, return false.
     if (empty($this->image_args['src'])) {
         return;
     }
     // Check against min. width. If the image width is too small return.
     if (0 < $this->args['min_width'] && isset($this->image_args['width']) && $this->image_args['width'] < $this->args['min_width']) {
         return;
     }
     // Check against min. height. If the image height is too small return.
     if (0 < $this->args['min_height'] && isset($this->image_args['height']) && $this->image_args['height'] < $this->args['min_height']) {
         return;
     }
     // Empty classes array.
     $classes = array();
     // If there is alt text, set it.  Otherwise, default to the post title.
     $image_alt = !empty($this->image_args['alt']) ? $this->image_args['alt'] : get_post_field('post_title', $this->args['post_id']);
     // If there's a width/height for the image.
     if (isset($this->image_args['width']) && isset($this->image_args['height'])) {
         // Set a class based on the orientation.
         $classes[] = $this->image_args['height'] > $this->image_args['width'] ? 'portrait' : 'landscape';
         // Set class based on the content width (defined by theme).
         if (0 < $GLOBALS['content_width']) {
             if ($GLOBALS['content_width'] == $this->image_args['width']) {
                 $classes[] = 'cw-equal';
             } elseif ($GLOBALS['content_width'] <= $this->image_args['width']) {
                 $classes[] = 'cw-lesser';
             } elseif ($GLOBALS['content_width'] >= $this->image_args['width']) {
                 $classes[] = 'cw-greater';
             }
         }
         // If an explicit width/height is not set, use the info from the image.
         if (empty($this->args['width']) && empty($this->args['height'])) {
             $this->args['width'] = $this->image_args['width'];
             $this->args['height'] = $this->image_args['height'];
         }
     }
     // If there is a width or height, set them as HMTL-ready attributes.
     $width = $this->args['width'] ? ' width="' . esc_attr($this->args['width']) . '"' : '';
     $height = $this->args['height'] ? ' height="' . esc_attr($this->args['height']) . '"' : '';
     // srcset attribute
     $srcset = !empty($this->srcsets) ? sprintf(' srcset="%s"', esc_attr(join(', ', $this->srcsets))) : '';
     // Add the meta key(s) to the classes array.
     if (!empty($this->args['meta_key'])) {
         $classes = array_merge($classes, (array) $this->args['meta_key']);
     }
     // Add the $size to the class.
     $classes[] = $this->args['size'];
     // Get the custom image class.
     if (!empty($this->args['image_class'])) {
         if (!is_array($this->args['image_class'])) {
             $this->args['image_class'] = preg_split('#\\s+#', $this->args['image_class']);
         }
         $classes = array_merge($classes, $this->args['image_class']);
     }
     // Sanitize all the classes.
     $classes = $this->sanitize_class($classes);
     // Join all the classes into a single string and make sure there are no duplicates.
     $class = join(' ', $classes);
     // Add the image attributes to the <img /> element.
     $html = sprintf('<img src="%s"%s alt="%s" class="%s"%s itemprop="image" />', esc_attr($this->image_args['src']), $srcset, esc_attr(strip_tags($image_alt)), $class, $width . $height);
     // If $link is set to true, link the image to its post.
     if (false !== $this->args['link']) {
         if ('post' === $this->args['link'] || true === $this->args['link']) {
             $url = get_permalink($this->args['post_id']);
         } elseif ('file' === $this->args['link']) {
             $url = $this->image_args['src'];
         } elseif ('attachment' === $this->args['link'] && isset($this->image_args['id'])) {
             $url = get_permalink($this->image_args['id']);
         }
         if (!empty($url)) {
             $link_class = $this->args['link_class'] ? sprintf(' class="%s"', esc_attr($this->args['link_class'])) : '';
             $html = sprintf('<a href="%s"%s>%s</a>', esc_url($url), $link_class, $html);
         }
     }
     // If there is a $post_thumbnail_id, apply the WP filters normally associated with get_the_post_thumbnail().
     if (!empty($this->image_args['post_thumbnail_id'])) {
         $html = apply_filters('post_thumbnail_html', $html, $this->args['post_id'], $this->image_args['post_thumbnail_id'], $this->args['size'], '');
     }
     // If we're showing a caption.
     if (true === $this->args['caption'] && !empty($this->image_args['caption'])) {
         $html = img_caption_shortcode(array('caption' => $this->image_args['caption'], 'width' => $this->args['width']), $html);
     }
     $this->image = $html;
 }

function wpse_138126_thumbnail_caption($html, $post_id, $post_thumbnail_id, $size, $attr)
{
    if ($post = get_post($post_thumbnail_id)) {
        if ($size = wp_get_attachment_image_src($post->ID, $size)) {
            $width = $size[1];
        } else {
            $width = 0;
        }
        $html = img_caption_shortcode(array('caption' => trim("{$post->post_excerpt} {$post->post_content}"), 'align' => 'alignright', 'width' => $width), $html);
    }
    return $html;
}