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wp_can_install_language_pack()

Check if WordPress has access to the filesystem without asking for credentials.

Return

(bool) Returns true on success, false on failure.

Source

File: wp-admin/includes/translation-install.php 

function wp_can_install_language_pack() {
	if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) {
		return false;
	}

	require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	$skin     = new Automatic_Upgrader_Skin;
	$upgrader = new Language_Pack_Upgrader( $skin );
	$upgrader->init();

	$check = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) );

	if ( ! $check || is_wp_error( $check ) ) {
		return false;
	}

	return true;
}

Uses

Uses Description
wp-includes/load.php: wp_is_file_mod_allowed()

Determines whether file modifications are allowed.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.

Changelog

Version Description
4.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_can_install_language_pack