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Improve theme file caching in class-wp-theme-json.php #6707

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Improve theme file caching in class-wp-theme-json.php #6707

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bde7afe
Improve theme file caching in class-wp-theme-json.php
spacedmonkey Jun 2, 2024
96ac25b
Optimize path_string generation in class-wp-theme-json.php
spacedmonkey Jun 2, 2024
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Improve theme file caching in class-wp-theme-json.php 
Minor changes have been made to class-wp-theme-json.php to better cache the theme files. This includes adding an 'update_cache' functionality that sets 'str_start_with' and 'str_start_with_cache', and removing redundant checks for empty or non-numerical values. These improvements aim to optimize performance by updating cache when necessary.
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@spacedmonkey
spacedmonkey committed Jun 2, 2024
commit bde7afe3e228c493c8c9ba8712e7dd1d08b67571
25 changes: 17 additions & 8 deletions src/wp-includes/class-wp-theme-json.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2194,13 +2194,20 @@ protected static function compute_style_properties( $styles, $settings = array()
}

$root_variable_duplicates = array();
$update_cache = false;
$str_start_with_cache = (array) wp_cache_get( 'str_start_with', 'theme_files' );
$str_len_root = strlen( '--wp--style--root--' );

foreach ( $properties as $css_property => $value_path ) {
$value = static::get_property_value( $styles, $value_path, $theme_json );

if ( str_starts_with( $css_property, '--wp--style--root--' ) && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) {
if ( ! isset( $str_start_with_cache[ $css_property ] ) ) {
$str_start_with_cache[ $css_property ] = str_starts_with( $css_property, '--wp--style--root--' );
$update_cache = true;
}
if ( $str_start_with_cache[ $css_property ] && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) {
continue;
}

$value = static::get_property_value( $styles, $value_path, $theme_json );
/*
* Root-level padding styles don't currently support strings with CSS shorthand values.
* This may change: https://github.com/WordPress/gutenberg/issues/40132.
Expand All @@ -2209,8 +2216,8 @@ protected static function compute_style_properties( $styles, $settings = array()
continue;
}

if ( str_starts_with( $css_property, '--wp--style--root--' ) && $use_root_padding ) {
$root_variable_duplicates[] = substr( $css_property, strlen( '--wp--style--root--' ) );
if ( $str_start_with_cache[ $css_property ] && $use_root_padding ) {
$root_variable_duplicates[] = substr( $css_property, $str_len_root );
}

/*
Expand All @@ -2233,9 +2240,7 @@ protected static function compute_style_properties( $styles, $settings = array()
$value = isset( $background_styles['declarations'][ $css_property ] ) ? $background_styles['declarations'][ $css_property ] : $value;
}

// Skip if empty and not "0" or value represents array of longhand values.
$has_missing_value = empty( $value ) && ! is_numeric( $value );
if ( $has_missing_value || is_array( $value ) ) {
if ( '' === $value || is_array( $value ) ) {
continue;
}

Expand Down Expand Up @@ -2267,6 +2272,10 @@ protected static function compute_style_properties( $styles, $settings = array()
);
}

if ( $update_cache ) {
wp_cache_set( 'str_start_with', $str_start_with_cache, 'theme_files' );
}

// If a variable value is added to the root, the corresponding property should be removed.
foreach ( $root_variable_duplicates as $duplicate ) {
$discard = array_search( $duplicate, array_column( $declarations, 'name' ), true );
Expand Down