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<?php
/**
* Bootstraps collaborative editing.
*
* @package WordPress
* @since 7.0.0
*/
/**
* Determines whether real-time collaboration is enabled.
*
* If the WP_ALLOW_COLLABORATION constant is false,
* collaboration is always disabled regardless of the database option.
* Otherwise, falls back to the 'wp_collaboration_enabled' option.
*
* @since 7.0.0
*
* @return bool Whether real-time collaboration is enabled.
*/
function wp_is_collaboration_enabled() {
return (
wp_is_collaboration_allowed() &&
(bool) get_option( 'wp_collaboration_enabled' )
);
}
/**
* Determines whether real-time collaboration is allowed.
*
* If the WP_ALLOW_COLLABORATION constant is false,
* collaboration is not allowed and cannot be enabled.
* The constant defaults to true, unless the WP_ALLOW_COLLABORATION
* environment variable is set to string "false".
*
* @since 7.0.0
*
* @return bool Whether real-time collaboration is enabled.
*/
function wp_is_collaboration_allowed() {
if ( ! defined( 'WP_ALLOW_COLLABORATION' ) ) {
$env_value = getenv( 'WP_ALLOW_COLLABORATION' );
if ( false === $env_value ) {
// Environment variable is not defined, default to allowing collaboration.
define( 'WP_ALLOW_COLLABORATION', true );
} else {
/*
* Environment variable is defined, let's confirm it is actually set to
* "true" as it may still have a string value "false" – the preceeding
* `if` branch only tests for the boolean `false`.
*/
define( 'WP_ALLOW_COLLABORATION', 'true' === $env_value );
}
}
return WP_ALLOW_COLLABORATION;
}
/**
* Injects the real-time collaboration setting into a global variable.
*
* @since 7.0.0
*
* @access private
*
* @global string $pagenow The filename of the current screen.
*/
function wp_collaboration_inject_setting() {
global $pagenow;
if ( ! wp_is_collaboration_enabled() ) {
return;
}
// Disable real-time collaboration on the site editor.
$enabled = true;
if ( 'site-editor.php' === $pagenow ) {
$enabled = false;
}
wp_add_inline_script(
'wp-core-data',
'window._wpCollaborationEnabled = ' . wp_json_encode( $enabled ) . ';',
'after'
);
}