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9bf6faff7c
`_wp_array_get()` is an expensive function, and it's called thousands of times on each page view on the front end. While the function performance was slightly improved in #58376, it is still called more times than it should be. This commit aims to further optimize its usage: * In many cases, `_wp_array_get()` can be replaced with a much simpler and faster `isset()` check. * The `isset()` function is capable of checking nested arrays, so `isset( $foo['a']['b']['c'] )` will return false even if `$foo['a']` is unset, without throwing any errors or warnings. * When `_wp_array_get()` cannot be directly replaced with `isset()`, it would be good practice to wrap it in an `isset()` function so that `_wp_array_get()` only runs when it needs to. Original PR from Gutenberg repository: * [https://github.com/WordPress/gutenberg/pull/51116 #51116 Performance improvement: Reduce the use of the _wp_array_get() function] Follow-up to [55851], [56382]. Props aristath, jrf, spacedmonkey, mukesh27, swissspidy, hellofromTonya. Fixes #59405. Built from https://develop.svn.wordpress.org/trunk@56709 git-svn-id: http://core.svn.wordpress.org/trunk@56221 1a063a9b-81f0-0310-95a4-ce76da25c4cd
94 lines
2.8 KiB
PHP
94 lines
2.8 KiB
PHP
<?php
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/**
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* Dimensions block support flag.
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*
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* This does not include the `spacing` block support even though that visually
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* appears under the "Dimensions" panel in the editor. It remains in its
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* original `spacing.php` file for compatibility with core.
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*
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* @package WordPress
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* @since 5.9.0
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*/
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/**
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* Registers the style block attribute for block types that support it.
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*
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* @since 5.9.0
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* @access private
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*
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* @param WP_Block_Type $block_type Block Type.
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*/
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function wp_register_dimensions_support( $block_type ) {
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// Setup attributes and styles within that if needed.
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if ( ! $block_type->attributes ) {
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$block_type->attributes = array();
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}
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// Check for existing style attribute definition e.g. from block.json.
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if ( array_key_exists( 'style', $block_type->attributes ) ) {
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return;
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}
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$has_dimensions_support = block_has_support( $block_type, 'dimensions', false );
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if ( $has_dimensions_support ) {
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$block_type->attributes['style'] = array(
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'type' => 'object',
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);
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}
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}
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/**
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* Adds CSS classes for block dimensions to the incoming attributes array.
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* This will be applied to the block markup in the front-end.
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*
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* @since 5.9.0
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* @since 6.2.0 Added `minHeight` support.
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* @access private
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*
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* @param WP_Block_Type $block_type Block Type.
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* @param array $block_attributes Block attributes.
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* @return array Block dimensions CSS classes and inline styles.
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*/
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function wp_apply_dimensions_support( $block_type, $block_attributes ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
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if ( wp_should_skip_block_supports_serialization( $block_type, 'dimensions' ) ) {
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return array();
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}
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$attributes = array();
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// Width support to be added in near future.
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$has_min_height_support = block_has_support( $block_type, array( 'dimensions', 'minHeight' ), false );
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$block_styles = isset( $block_attributes['style'] ) ? $block_attributes['style'] : null;
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if ( ! $block_styles ) {
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return $attributes;
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}
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$skip_min_height = wp_should_skip_block_supports_serialization( $block_type, 'dimensions', 'minHeight' );
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$dimensions_block_styles = array();
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$dimensions_block_styles['minHeight'] = null;
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if ( $has_min_height_support && ! $skip_min_height ) {
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$dimensions_block_styles['minHeight'] = isset( $block_styles['dimensions']['minHeight'] )
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? $block_styles['dimensions']['minHeight']
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: null;
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}
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$styles = wp_style_engine_get_styles( array( 'dimensions' => $dimensions_block_styles ) );
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if ( ! empty( $styles['css'] ) ) {
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$attributes['style'] = $styles['css'];
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}
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return $attributes;
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}
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// Register the block support.
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WP_Block_Supports::get_instance()->register(
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'dimensions',
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array(
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'register_attribute' => 'wp_register_dimensions_support',
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'apply' => 'wp_apply_dimensions_support',
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)
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);
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