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Editing: class-fl-builder-css-vars.php
<?php /** * Handles working with CSS variables. * * @since 2.9 */ final class FLBuilderCSSVars { /** * An array of registered CSS vars to output. * * @since 2.9 * @var array $registry */ static private $registry = []; /** * Initialize hooks. * * @since 2.9 * @return void */ static public function init() { add_action( 'wp_head', __CLASS__ . '::render' ); } /** * Render CSS vars into the head tag. * * @since 2.9 * @return void */ static public function render() { $output = ''; if ( empty( self::$registry ) ) { return; } foreach ( self::$registry as $key => $value ) { $output .= "\t$key: $value;\n"; } echo "<style>\n:root {\n{$output}}\n</style>"; } /** * Add a CSS var to the registry. * * @since 2.9 * @param string $key * @param string $value * @return void */ static public function register( $key, $value ) { if ( ! isset( self::$registry[ $key ] ) ) { self::$registry[ $key ] = $value; } } } FLBuilderCSSVars::init();
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