The module where the positioning function is located

定位函数所在模块

$function_name = $argv[1];
$modules = get_loaded_extensions();
foreach($modules as $m){
    $funcs = get_extension_funcs($m);
        if(in_array($function_name, $funcs)){
                printf("%s was defined in Module: %sn", $function_name, $m);
                exit;
        }
}
print $function_name ." Must be defined in user defined PHP script filesn";