get_var("SELECT $field FROM $table WHERE $field REGEXP '{$prefix}[0-9]{{$length}}' ORDER BY $field DESC");
if($var){
return $prefix . substr( str_repeat('0', $length) . ((int)substr($var, - $length) + 1), - $length );
} else {
return $prefix . str_repeat('0', $length - 1) . 1;
}
}
function esc_field($str){
//Penambahan @ untuk menghilangkan !get_magic_quotes_gpc
//!get_magic_quotes_gpc tidak digunakan di php versi 7 keatas
//jika php dibawah versi 7 maka hapus @
if (@!get_magic_quotes_gpc())
return addslashes($str);
else
return $str;
}
function get_option($option_name){
global $db;
return $db->get_var("SELECT option_value FROM tb_options WHERE option_name='$option_name'");
}
function update_option($option_name, $option_value){
global $db;
return $db->query("UPDATE tb_options SET option_value='$option_value' WHERE option_name='$option_name'");
}
function redirect_js($url){
echo '';
}
function alert($url){
echo '';
}
function print_msg($msg, $type = 'danger'){
echo('