masterstudy-fix-curriculum-after-upgrade-3.0.0.php

<?php

$courses_ids = get_posts( 'post_type=stm-courses&numberposts=-1&fields=ids' );

$fixed_curriculums = [];
foreach ( $courses_ids as $course_id ) {
	$curriculum = get_post_meta( $course_id, 'curriculum', true );
	$items      = explode( ',', $curriculum );

	if ( ! empty( $items ) && is_numeric( reset( $items ) ) ) {
		$curriculum = "Lezioni,$curriculum";
		update_post_meta( $course_id, 'curriculum', $curriculum );

		$fixed_curriculums[] = $course_id;
	}
}

if ( ! empty( $fixed_curriculums ) && is_callable( '\stmLms\Classes\Vendor\LmsUpdateCallbacks::lms_migrate_course_data' ) ) {
	\stmLms\Classes\Vendor\LmsUpdateCallbacks::lms_migrate_course_data();
}