在factory()
内部的Laravel factory()->create()->each()
功能给出了非常意外的结果。该函数返回一个充满字符串和子数组的巨大数组,当var_dumping它在控制台内时,我必须ctrl + c来阻止它呈现结果,否则它继续运行(没有看到数组的结尾) 。执行php artisan DB:seed
时,我会得到以下结果:Segmentation fault (Core dumped)
。
数组中的内容看起来像Faker库中的数据。
有没有人知道这可能来自哪里?
$factory->define()
函数中的所有内容。下面的代码给了我永无止境的数组。
factory(App\SubscriptionGroup::class, 3)
->create()
->each(function ($subscriptionGroup)
{
$test = factory(App\Subscription::class);
var_dump($test);
});
下面的代码是我的SubscriptionFactory php文件。
use Faker\Generator as Faker;
$factory->define(App\Subscription::class, function (Faker $faker)
{
$minAge = null;
if (rand(0, 100) > 75) {
$minAge = $faker->randomElement([12, 16, 18]);
}
$maxAge = null;
if (rand(0, 100) > 75) {
$maxAge = $faker->randomElement([21, 35, 50]);
}
$duration = 1;
if (rand(0, 100) > 25) {
$duration = $faker->randomElement([1, 6, 12, 24]);
}
$paidByMember = null;
if (rand(0, 100) > 90) {
$paidByMember = true;
} elseif (rand(0, 100) > 90) {
$paidByMember = false;
}
$tokenPeriod = \App\TokenPeriod::find(rand(1, 7));
$directDebitPeriod = \App\DirectDebitPeriod::find(rand(1, 3));
$unlimitedAccess = $faker->boolean(10);
$periodicTokens = 0;
$transferableTokenPeriod = 0;
if ( ! $unlimitedAccess) {
$periodicTokens = $faker->randomElement([1, 2, 4]);
$transferableTokenPeriod = rand(0, 4);
}
$name = implode(' ', $faker->words(rand(1, 2)));
return [
'status' => 'published',
'name' => $name,
'min_age' => $minAge,
'max_age' => $maxAge,
'membership_duration' => $duration,
'membership_duration_in' => 'months',
'available_date' => \Carbon\Carbon::now(),
'withdraw_date' => null,
'visibility_order' => 1,
'paid_by_member' => $paidByMember,
'unlimited_access' => $unlimitedAccess,
'periodic_tokens' => $periodicTokens,
'transferable_token_period' => $transferableTokenPeriod,
'check_in_access_type_id' => 1,
'token_period_id' => $tokenPeriod->id,
'direct_debit_period_id' => $directDebitPeriod->id
];
});
SubscriptionGroup工厂按预期运行并相应地填充数据库。但是,Subscription工厂正在给出错误的结果。请参阅下面的结果数组。
...
["de schuitjes"]=>
array(1) {
[0]=>
string(3) "van"
}
["schuitjes van"]=>
array(1) {
[0]=>
string(3) "den"
}
["den ponton-steiger"]=>
array(1) {
[0]=>
string(3) "bij"
}
["ponton-steiger bij"]=>
array(1) {
[0]=>
string(9) "Nijmegen."
}
["bij Nijmegen."]=>
array(1) {
[0]=>
string(2) "En"
}
["Nijmegen. En"]=>
array(1) {
[0]=>
string(2) "nu"
}
["nu spraken"]=>
array(1) {
[0]=>
string(2) "ze"
}
["ze over"]=>
array(2) {
[0]=>
string(3) "z'n"
[1]=>
string(2) "'t"
}
...
下面的代码似乎也导致Segmentation fault (core dumped)
错误。所以似乎错误不是来自factory(App\Subscription::class)
,而是来自SubscriptionGroup内的subscriptions()关系。这使得它更加陌生,因为这只是一个简单的hasMany关系。
factory(App\SubscriptionGroup::class)
->create()
->each(function ($subscriptionGroup)
{
$subscriptionGroup->subscriptions();
});
SubscriptionGroup
类中的subscriptions()关系:
/**
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
public function subscriptions()
{
return $this->hasMany('App\Subscription');
}
我找到了自己问题的答案。
对于某些模型,我创建了一个带有$ scope属性的抽象类。该属性的默认值为“public”。从此属性中删除默认值后,一切正常。
我已将此属性的默认值移动到构造函数方法。