<?php
// coverage is used in tests and removed in compilation
if (extension_loaded("xdebug") && file_exists(sys_get_temp_dir() . "/adminer_coverage.ser")) {
    function save_coverage() {
        $coverage_filename = sys_get_temp_dir() . "/adminer_coverage.ser";
        $coverage = unserialize(file_get_contents($coverage_filename));
        foreach (xdebug_get_code_coverage() as $filename => $lines) {
            foreach ($lines as $l => $val) {
                if (!$coverage[$filename][$l] || $val > 0) {
                    $coverage[$filename][$l] = $val;
                }
            }
            file_put_contents($coverage_filename, serialize($coverage));
        }
    }
    xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
    register_shutdown_function('save_coverage');
}