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<?php
/**
* Setup function that used for checking latest version of the core.
* It creates `$chery_core_version` global variable and writes the latest core version
* and it's path into it.
*
* @package Cherry_Framework
* @author Cherry Team <cherryframework@gmail.com>
* @copyright Copyright (c) 2012 - 2016, Cherry Team
* @link http://www.cherryframework.com/
* @license http://www.gnu.org/licenses/gpl-3.0.en.html
*/
return create_function( '', '
global $chery_core_version;
$path = trailingslashit( dirname( __FILE__ ) ) . \'cherry-core.php\';
$data = get_file_data( $path, array(
\'version\' => \'Version\'
) );
if ( isset( $data[\'version\'] ) ) {
$version = $data[\'version\'];
}
$old_versions = null;
if ( null !== $chery_core_version ) {
$old_versions = array_keys( $chery_core_version );
}
if ( is_array( $old_versions ) && isset( $old_versions[0] ) ) {
$compare = version_compare( $old_versions[0], $version, \'<\' );
if ( $compare ) {
$chery_core_version = array();
$chery_core_version[ $version ] = $path;
}
} else {
$chery_core_version = array();
$chery_core_version[ $version ] = $path;
}
' );