198 lines
8.2 KiB
PHP
198 lines
8.2 KiB
PHP
<?php
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/**
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* 车辆库(v24 第 16 批 用户第 8 条)。
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*
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* 用户原话:「增加一个设置按钮,用来设置车辆管理、出行方式、节点类型。
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* 注意,我们在财务中,已经把车辆添加进去了,所以这里不用重复添加
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* 那里面的车辆,直接读取就可以,但是可以添加其他的车辆,
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* 比如租的车,借别人的车。」
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*
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* ⚠️ 车辆有**两个来源**,这里刻意**不合并**(合并 = 同一台车两处维护):
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* ① 财务里的车子 —— `ledger_entries.kind='car'` 的那些**账目**。
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* 它记的是"这台车值多少钱"(一台车的资产),**没有车牌、没有车型名**,
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* 严格说不是"一辆能挑来出行的车"。用户说"直接读取就可以",
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* 所以这里把它作为**只读候选**列出来(标成「来自财务」),
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* 选中时只记一个名字,不往 vehicles 表里复制。
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* ② vehicles 表 —— 真正"出行用的车":有车牌、车型名、是自家/租的/借的。
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* 自家车在这里**可以**录(录了就干净、好挑),但**不强制**。
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*
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* 为什么不给两者加外键:账目随时可能被改名或删除(财务那边是它自己的节奏),
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* 硬绑会让车辆记录跟着消失 —— 而出行的车不该因为"这台车在财务里被删了"就没了。
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* 真要对上就靠车型名(人工),这是有意的松耦合。
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*/
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declare(strict_types=1);
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namespace App;
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final class Vehicle
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{
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/** 车辆来源:自家 / 租的 / 借别人的 */
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public const TYPES = [
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'own' => '自家的',
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'rental' => '租的',
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'borrowed' => '借的',
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];
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/** 一个家的车(vehicles 表里的) */
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public static function all(int $familyId): array
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{
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$st = Database::get()->prepare(
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'SELECT * FROM vehicles WHERE family_id = ?
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ORDER BY is_default DESC, vtype, id'
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);
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$st->execute([$familyId]);
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return $st->fetchAll();
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}
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/**
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* 财务里已登记的车子(**只读引用**,不复制进 vehicles)。
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*
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* 取的是所有账本里 kind='car' 的账目 —— 用户说"直接读取就可以"。
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* 返回结构与自有车辆**同形**(id 用负数区分:`-账目id`,`from` 标来源),
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* 这样模板里画下拉、画配置列表都能用同一套代码。
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*/
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public static function fromLedger(int $familyId): array
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{
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// ⚠️ 表可能还不存在(极老库 / 升级中途)→ 宽容返回空,别把"选车"整块炸掉
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try {
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$st = Database::get()->prepare(
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"SELECT e.id, e.title, e.note FROM ledger_entries e
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JOIN ledgers l ON l.id = e.ledger_id
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WHERE l.family_id = ? AND e.kind = 'car'
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ORDER BY e.id"
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);
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$st->execute([$familyId]);
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} catch (\Throwable $ex) {
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return [];
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}
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$out = [];
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foreach ($st->fetchAll() as $r) {
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$out[] = [
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// 负数 id:与 vehicles 表的正数 id 天然不撞;选车表单提交负数即"来自财务"
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'id' => -((int)$r['id']),
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'ledger_id' => (int)$r['id'],
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'name' => (string)$r['title'],
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'plate' => '',
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'vtype' => 'own',
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'vendor' => null,
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'order_no' => null,
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'is_default'=> 0,
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'note' => (string)($r['note'] ?? ''),
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'from' => 'ledger', // 模板据此标「来自财务」并且不给改/删
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];
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}
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return $out;
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}
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/**
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* 选车下拉用的合并列表:财务的车子在前(用户已经录好了),自家车辆在后。
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*
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* @return array 每项都带 `from` = 'ledger' | 'local'
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*/
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public static function pickable(int $familyId): array
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{
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$out = [];
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foreach (self::fromLedger($familyId) as $v) {
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$out[] = $v;
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}
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foreach (self::all($familyId) as $v) {
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$v['from'] = 'local';
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$out[] = $v;
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}
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return $out;
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}
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public static function find(int $familyId, int $id): ?array
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{
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if ($id <= 0) {
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return null; // 负数/0 是"来自财务的引用",不是本表的行
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}
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$st = Database::get()->prepare('SELECT * FROM vehicles WHERE id = ? AND family_id = ?');
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$st->execute([$id, $familyId]);
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$r = $st->fetch();
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return $r ?: null;
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}
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/** 「走到哪都显示得出来」的一行字:车牌 + 车型 */
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public static function label(array $v): string
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{
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$plate = trim((string)($v['plate'] ?? ''));
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$name = trim((string)($v['name'] ?? ''));
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if ($plate !== '' && $name !== '') {
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return $plate . ' ' . $name;
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}
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return $plate !== '' ? $plate : $name;
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}
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/** @return array{ok:bool,id?:int,error?:string} */
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public static function save(int $familyId, array $d, ?int $id = null): array
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{
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$name = mb_substr(trim((string)($d['name'] ?? '')), 0, 100, 'UTF-8');
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if ($name === '') {
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return ['ok' => false, 'error' => '车型名不能为空'];
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}
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$vtype = isset(self::TYPES[(string)($d['vtype'] ?? '')]) ? (string)$d['vtype'] : 'own';
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$row = [
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mb_substr(trim((string)($d['plate'] ?? '')), 0, 20, 'UTF-8'),
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$name,
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$vtype,
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self::txt($d['vendor'] ?? '', 100),
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self::txt($d['order_no'] ?? '', 50),
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(int)($d['is_default'] ?? 0) > 0 ? 1 : 0,
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self::txt($d['note'] ?? '', 500),
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];
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$db = Database::get();
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// ⚠️ 默认车**只能有一台**:把别的都清掉再设,否则"默认"就失去意义
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// (新建行程时默认选中的是哪一台,取决于 SQL 的排序运气)。
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if ($row[5] === 1) {
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$db->prepare('UPDATE vehicles SET is_default = 0 WHERE family_id = ?')->execute([$familyId]);
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}
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if ($id !== null && $id > 0) {
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if (!self::find($familyId, $id)) {
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return ['ok' => false, 'error' => '找不到这辆车'];
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}
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$db->prepare('UPDATE vehicles SET plate=?, name=?, vtype=?, vendor=?, order_no=?,
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is_default=?, note=? WHERE id=? AND family_id=?')
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->execute([...$row, $id, $familyId]);
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return ['ok' => true, 'id' => $id];
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}
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$db->prepare('INSERT INTO vehicles (family_id, plate, name, vtype, vendor, order_no,
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is_default, note) VALUES (?,?,?,?,?,?,?,?)')
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->execute([$familyId, ...$row]);
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return ['ok' => true, 'id' => (int)$db->lastInsertId()];
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}
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/**
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* 删一辆车。
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*
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* ⚠️ 只用**本表**的行能被删(负数 id 是财务的引用,删它等于动财务数据 —— 不干)。
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* ⚠️ 已被行程引用的车不许删:删了行程上的 `vehicle_id` 就成了悬空值
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* (外键是 SET NULL,数据不丢,但用户会看到"我明明选过车,现在没了")。
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* 给一句"还有 N 段行程在用",比静默清空好。
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*/
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public static function destroy(int $familyId, int $id): array
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{
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if ($id <= 0) {
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return ['ok' => false, 'error' => '来自财务的车子请到财务里改'];
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}
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if (!self::find($familyId, $id)) {
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return ['ok' => false, 'error' => '找不到这辆车'];
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}
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$st = Database::get()->prepare('SELECT COUNT(*) FROM trip_nodes WHERE vehicle_id = ?');
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$st->execute([$id]);
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$n = (int)$st->fetchColumn();
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if ($n > 0) {
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return ['ok' => false, 'error' => '还有 ' . $n . ' 段行程在用这辆车,先改掉它们再删'];
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}
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Database::get()->prepare('DELETE FROM vehicles WHERE id = ? AND family_id = ?')
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->execute([$id, $familyId]);
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return ['ok' => true];
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}
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private static function txt($v, int $max): ?string
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{
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$v = mb_substr(trim((string)$v), 0, $max, 'UTF-8');
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return $v !== '' ? $v : null;
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}
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}
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