Block Editor: Remove repetitive calls to `file_get_contents()` in block editor settings.
The `get_default_block_editor_settings()` function used to repeatedly get the `default-editor-styles.css` file contents without any implementation to avoid this. This commit utilizes a static variable to remove repetitive calls made during the same request. In tests ran on the front page of a site using Xdebug & Webgrind, the total `file_get_contents()` invocation count goes down from 181 to 93, and total self cost (the time that the function is responsible for) goes down from 160 ms to 93 ms. Follow-up to [52042]. Props aristath, mukesh27. Fixes #56637. Built from https://develop.svn.wordpress.org/trunk@54291 git-svn-id: http://core.svn.wordpress.org/trunk@53850 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -192,12 +192,17 @@ function get_default_block_editor_settings() {
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// These styles are used if the "no theme styles" options is triggered or on
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// themes without their own editor styles.
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$default_editor_styles_file = ABSPATH . WPINC . '/css/dist/block-editor/default-editor-styles.css';
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if ( file_exists( $default_editor_styles_file ) ) {
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static $default_editor_styles_file_contents = false;
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if ( ! $default_editor_styles_file_contents && file_exists( $default_editor_styles_file ) ) {
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$default_editor_styles_file_contents = file_get_contents( $default_editor_styles_file );
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}
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$default_editor_styles = array();
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if ( $default_editor_styles_file_contents ) {
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$default_editor_styles = array(
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array( 'css' => file_get_contents( $default_editor_styles_file ) ),
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array( 'css' => $default_editor_styles_file_contents ),
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);
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} else {
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$default_editor_styles = array();
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}
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$editor_settings = array(
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@ -16,7 +16,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '6.1-beta1-54290';
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$wp_version = '6.1-beta1-54291';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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