<?php
/**
* Background block support flag.
*
* @package WordPress
* @since 6.4.0
*/
/**
* Registers the style block attribute for block types that support it.
*
* @since 6.4.0
* @access private
*
* @param WP_Block_Type $block_type Block Type.
*/
function wp_register_background_support( $block_type ) {
// Setup attributes and styles within that if needed.
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
// Check for existing style attribute definition e.g. from block.json.
if ( array_key_exists( 'style', $block_type->attributes ) ) {
return;
}
$has_background_support = block_has_support( $block_type, array( 'background' ), false );
if ( $has_background_support ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
}
/**
* Renders the background styles to the block wrapper.
* This block support uses the `render_block` hook to ensure that
* it is also applied to non-server-rendered blocks.
*
* @since 6.4.0
* @since 6.5.0 Added support for `backgroundPosition` and `backgroundRepeat` output.
* @since 6.6.0 Removed requirement for `backgroundImage.source`. A file/url is the default.
* @since 6.7.0 Added support for `backgroundAttachment` output.
*
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_render_background_support( $block_content, $block ) {
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
$block_attributes = ( isset( $block['attrs'] ) && is_array( $block['attrs'] ) ) ? $block['attrs'] : array();
$has_background_image_support = block_has_support( $block_type, array( 'background', 'backgroundImage' ), false );
if (
! $has_background_image_support ||
wp_should_skip_block_supports_serialization( $block_type, 'background', 'backgroundImage' ) ||
! isset( $block_attributes['style']['background'] )
) {
return $block_content;
}
$background_styles = array();
$background_styles['backgroundImage'] = $block_attributes['style']['background']['backgroundImage'] ?? null;
$background_styles['backgroundSize'] = $block_attributes['style']['background']['backgroundSize'] ?? null;
$background_styles['backgroundPosition'] = $block_attributes['style']['background']['backgroundPosition'] ?? null;
$background_styles['backgroundRepeat'] = $block_attributes['style']['background']['backgroundRepeat'] ?? null;
$background_styles['backgroundAttachment'] = $block_attributes['style']['background']['backgroundAttachment'] ?? null;
if ( ! empty( $background_styles['backgroundImage'] ) ) {
$background_styles['backgroundSize'] = $background_styles['backgroundSize'] ?? 'cover';
// If the background size is set to `contain` and no position is set, set the position to `center`.
if ( 'contain' === $background_styles['backgroundSize'] && ! $background_styles['backgroundPosition'] ) {
$background_styles['backgroundPosition'] = '50% 50%';
}
}
$styles = wp_style_engine_get_styles( array( 'background' => $background_styles ) );
if ( ! empty( $styles['css'] ) ) {
// Inject background styles to the first element, presuming it's the wrapper, if it exists.
$tags = new WP_HTML_Tag_Processor( $block_content );
if ( $tags->next_tag() ) {
$existing_style = $tags->get_attribute( 'style' );
$updated_style = '';
if ( ! empty( $existing_style ) ) {
$updated_style = $existing_style;
if ( ! str_ends_with( $existing_style, ';' ) ) {
$updated_style .= ';';
}
}
$updated_style .= $styles['css'];
$tags->set_attribute( 'style', $updated_style );
$tags->add_class( 'has-background' );
}
return $tags->get_updated_html();
}
return $block_content;
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'background',
array(
'register_attribute' => 'wp_register_background_support',
)
);
add_filter( 'render_block', 'wp_render_background_support', 10, 2 );
ما بقاش الذكاء الاصطناعي مجرد خيال علمي أو تطور مستنيينه في المستقبل… لأ، ده بقى واقع عايشينه كل يوم، وبيأثر بشكل مباشر على شغلنا، ومهاراتنا، وحتى على الوظايف نفسها. في الفيديو ده، هنتكلم عن إزاي الذكاء الاصطناعي قلب موازين سوق العمل، إيه المهن اللي بدأت تختفي، وإيه اللي طلع جديد، وإزاي نجهز نفسنا للمستقبل اللي بدأ خلاص.