WordPress开发函数allow_subdirectory_install()，允许安装子目录。

用法：

allow_subdirectory_install()

返回

(bool) 是否允许子目录安装

来源：

文件: wp-admin/includes/network.php

function allow_subdirectory_install() {

global $wpdb;

/**

* Filters whether to enable the subdirectory installation feature in Multisite.

*

* @since 3.0.0

*

* @param bool $allow Whether to enable the subdirectory installation feature in Multisite.

* Default false.

*/

if ( apply_filters( ‘allow_subdirectory_install’, false ) ) {

return true;

}

if ( defined( ‘ALLOW_SUBDIRECTORY_INSTALL’ ) && ALLOW_SUBDIRECTORY_INSTALL ) {

return true;

}

$post = $wpdb->get_row( “SELECT ID FROM $wpdb->posts WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = ‘publish’” );

if ( empty( $post ) ) {

return true;

}

return false;

}

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