True if snippets were evaluated, false if safe mode is active.
	 */
	public function evaluate_early(): bool {
		if ( $this->is_safe_mode_active() ) {
			return false;
		}

		if ( Snippet_Files::is_active() ) {
			return $this->evaluate_file_snippets();
		}

		return $this->evaluate_db_snippets();
	}

	public function evaluate_db_snippets(): bool {
		$scopes = [ 'global', 'single-use', is_admin() ? 'admin' : 'front-end' ];
		$active_snippets = $this->db->fetch_active_snippets( $scopes );
		$edit_snippet = $this->get_currently_editing_snippet();

		foreach ( $active_snippets as $snippet ) {
			$snippet_id = $snippet['id'];
			$code = $snippet['code'];
			$table_name = $snippet['table'];

			// If the snippet is a single-use snippet, deactivate it before execution to ensure that the process always happens.
			if ( 'single-use' === $snippet['scope'] ) {
				$this->quick_deactivate_snippet( $snippet_id, $table_name );
			}

			if ( apply_filters( 'code_snippets/allow_execute_snippet', true, $snippet_id, $table_name ) &&
			     ( is_null( $edit_snippet ) || $edit_snippet['id'] !== $snippet_id || $edit_snippet['table'] !== $table_name ) ) {
				execute_snippet( $code, $snippet_id );
			}
		}

		return true;
	}

	private function evaluate_file_snippets(): bool {
		$type = 'php';
		$scopes = [ 'global', 'single-use', is_admin() ? 'admin' : 'front-end' ];
		$snippets = Snippet_Files::get_active_snippets_from_flat_files( $scopes, $type );
		$edit_snippet = $this->get_currently_editing_snippet();

		foreach ( $snippets as $snippet ) {
			$table_name = Snippet_Files::get_hashed_table_name( $snippet['table'] );
			$base_path = Snippet_Files::get_base_dir( $table_name, $type );
			$file = $base_path . '/' . $snippet['id'] . '.' . $type;

			$this->evaluate_snippet_flat_file( $snippet, $file, $edit_snippet );
		}

		return true;
	}
}