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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web28/html/wp-content/plugins/autodescription/inc/classes/meta/image/ |
| Current File : //var/www/web28/html/wp-content/plugins/autodescription/inc/classes/meta/image/generator.class.php |
<?php
/**
* @package The_SEO_Framework\Classes\Meta\Image
* @subpackage The_SEO_Framework\Meta\Image
*/
namespace The_SEO_Framework\Meta\Image;
\defined( 'THE_SEO_FRAMEWORK_PRESENT' ) or die;
use \The_SEO_Framework\{
Data,
Helper\Query,
Helper\Format,
};
/**
* The SEO Framework plugin
* Copyright (C) 2023 - 2024 Sybre Waaijer, CyberWire B.V. (https://cyberwire.nl/)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Generates images.
*
* @since 5.0.0
* @access private
*/
final class Generator {
/**
* @since 4.1.4
* @var int MAX_CONTENT_IMAGES The maximum number of images to get from the content.
*/
private const MAX_CONTENT_IMAGES = 5;
/**
* Generates image URLs and IDs from the attachment page entry.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @generator
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @param string $size The size of the image to get.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_attachment_image_details( $args = null, $size = 'full' ) {
$id = $args['id'] ?? Query::get_the_real_id();
$url = $id ? \wp_get_attachment_image_url( $id, $size ) : '';
if ( $url )
yield [
'url' => $url,
'id' => $id,
];
}
/**
* Generates image URLs and IDs from the featured image input.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @generator
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @param string $size The size of the image to get.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_featured_image_details( $args = null, $size = 'full' ) {
$id = \get_post_thumbnail_id( $args['id'] ?? Query::get_the_real_id() );
$url = $id ? \wp_get_attachment_image_url( $id, $size ) : '';
if ( $url )
yield [
'url' => $url,
'id' => $id,
];
}
/**
* Generates image URLs and IDs from the content.
*
* @since 4.0.0
* @since 4.0.5 1. Now strips tags before looking for images.
* 2. Now only yields at most 5 images.
* @since 4.2.0 1. Fixed OB1 error causing the first image to be ignored.
* 2. Now supports the `$args['pta']` index.
* @since 4.2.7 1. No longer accidentally matches `<imganything` or `<img notsrc="source">`.
* 2. Can no longer use images from `datalist`, `dialog`, `hgroup`, `menu`, `ol`, `object`, `output`, and `template` elements.
* 3. No longer expect images from `dd`, `dt`, `figcaption`, `li`, `tfoot`, `br`, `hr`, `link`, `meta`, `option`, `samp`.
* @generator
* @TODO consider matching these images with wp-content/uploads items via database calls, which is heavy...
* Combine query, instead of using WP API? Only do that for the first image, instead?
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_content_image_details( $args = null ) {
if ( isset( $args ) ) {
if ( empty( $args['tax'] ) && empty( $args['pta'] ) && empty( $args['uid'] ) ) {
$content = Data\Post::get_content( $args['id'] );
}
} elseif ( Query::is_singular() ) {
// $GLOBALS['pages'] isn't populated here -- let's not try pagination to conserve CPU usage.
$content = Data\Post::get_content();
}
if ( empty( $content ) ) return;
// \strlen( '<img src=a>' ) === 11; yes, that's a valid self-closing tag with a relative source.
if ( \strlen( $content ) > 10 && false !== stripos( $content, '<img ' ) ) {
// Clear what might have unfavourable images.
$content = Format\HTML::strip_tags_cs(
$content,
[
'space' => [],
'clear' =>
[ 'address', 'aside', 'blockquote', 'button', 'canvas', 'code', 'datalist', 'dialog', 'dl', 'fieldset', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hgroup', 'iframe', 'input', 'label', 'map', 'menu', 'nav', 'noscript', 'ol', 'object', 'output', 'pre', 'script', 'select', 'style', 'svg', 'table', 'template', 'textarea', 'ul', 'var', 'video' ],
'strip' => false,
],
);
// TODO can we somehow limit this search to static::MAX_CONTENT_IMAGES?
// -> We could, via preg_match() and strip content, but the function overhead won't help.
preg_match_all(
'/<img\b[^>]+?\bsrc=(["\'])?([^"\'>\s]+)\1?[^>]*?>/mi',
$content,
$matches,
\PREG_SET_ORDER,
);
}
$yielded_images = 0;
foreach ( $matches ?? [] as $match ) {
// A relative image URL of '0' is so uncommon it's not worth dealing with that. Skip.
if ( empty( $match[2] ) ) continue;
yield [
'url' => $match[2],
'id' => 0,
];
if ( ++$yielded_images > static::MAX_CONTENT_IMAGES ) break;
}
}
/**
* Generates image URLs and IDs from the fallback image options.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @generator
*
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_fallback_image_details() {
$url = Data\Plugin::get_option( 'social_image_fb_url' );
if ( $url )
yield [
'url' => $url,
'id' => Data\Plugin::get_option( 'social_image_fb_id' ) ?: 0,
];
}
/**
* Generates image URLs and IDs from the theme header defaults or options.
*
* N.B. This output may be randomized.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @since 5.0.1 No longer uses `get_custom_header()`, which tried to generate images.
* @generator
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @param string $size The size of the image to get.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_theme_header_image_details( $args = null, $size = 'full' ) {
$image = \get_theme_mod(
'header_image_data',
\get_theme_support( 'custom-header', 'default-image' )
);
if ( \is_string( $image ) && $image ) {
yield [
'url' => $image,
'id' => 0,
];
} elseif ( \is_object( $image ) && ! empty( $image->url ) ) {
if ( empty( $image->attachment_id ) ) { // This property isn't stored by default.
yield [
'url' => $image->url,
'id' => 0,
];
} else {
$url = \wp_get_attachment_image_url( $image->attachment_id, $size );
if ( $url )
yield [
'url' => $url,
'id' => $image->attachment_id,
];
}
}
}
/**
* Generates image URLs and IDs from the logo modification.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @generator
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @param string $size The size of the image to get.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_site_logo_image_details( $args = null, $size = 'full' ) {
// WP's _override_custom_logo_theme_mod() sets this to get_option( 'site_icon' ) instead.
$id = \get_theme_mod( 'custom_logo' );
$url = $id ? \wp_get_attachment_image_url( $id, $size ) : '';
if ( $url )
yield [
'url' => $url,
'id' => $id,
];
}
/**
* Generates image URLs and IDs from site icon options.
*
* @since 4.0.0
* @since 5.0.0 No longer yields if there's obviously no URL.
* @generator
*
* @param array|null $args The query arguments. Accepts 'id', 'tax', 'pta', and 'uid'.
* Leave null to autodetermine query.
* @param string $size The size of the image to get.
* @yield array {
* The image details.
*
* @type string $url The image URL.
* @type int $id The image ID.
* }
*/
public static function generate_site_icon_image_details( $args = null, $size = 'full' ) {
$id = \get_option( 'site_icon' );
$url = $id ? \wp_get_attachment_image_url( $id, $size ) : '';
if ( $url )
yield [
'url' => $url,
'id' => $id,
];
}
}
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