require_if_theme_supports( string $feature, string $include )

在加载实现主题的函数之前，检查主题对给定功能的支持。
Checks a theme’s support for a given feature before loading the functions which implement it.

目录锚点：#参数#返回#源码

参数（Parameters）

返回（Return）

（bool）如果当前主题支持提供的功能，则为True，否则为false。

源码（Source）

/**
 * Checks a theme's support for a given feature before loading the functions which implement it.
 *
 * @since 2.9.0
 *
 * @param string $feature The feature being checked.
 * @param string $include Path to the file.
 * @return bool True if the current theme supports the supplied feature, false otherwise.
 */
function require_if_theme_supports( $feature, $include ) {
	if ( current_theme_supports( $feature ) ) {
		require ( $include );
		return true;
	}
	return false;
}