Class Illuminate\Database\Eloquent\Relations\HasOne

`<TRelatedModel is Model, TDeclaringModel is Model>`

`extends`	`HasOneOrMany<TRelatedModel, TDeclaringModel, ?TRelatedModel>`
`implements`	`SupportsPartialRelations`
`uses`	`ComparesRelatedModels, CanBeOneOfMany, SupportsDefaultModels`

Illuminate\Database\Eloquent\Relations\Relation implements Builder uses ForwardsCalls, Macroable
- Illuminate\Database\Eloquent\Relations\HasOneOrMany uses InteractsWithDictionary, SupportsInverseRelations
  - Illuminate\Database\Eloquent\Relations\HasOne implements SupportsPartialRelations uses ComparesRelatedModels, CanBeOneOfMany, SupportsDefaultModels

Methods
`public`	`getResults()` Get the results of the relationship. Get the results of the relationship. Implements `Illuminate\Database\Eloquent\Relations\Relation::getResults()`	#
`public`	`initRelation(array $models, $relation)` Initialize the relation on a set of models. Initialize the relation on a set of models. Implements `Illuminate\Database\Eloquent\Relations\Relation::initRelation()`	#
`public`	`match(array $models, Collection $results, $relation)` Match the eagerly loaded results to their parents. Match the eagerly loaded results to their parents. Implements `Illuminate\Database\Eloquent\Relations\Relation::match()`	#
`public`	`getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])` Add the constraints for an internal relationship existence query. Add the constraints for an internal relationship existence query. Essentially, these queries compare on column names like whereColumn. Overrides `Illuminate\Database\Eloquent\Relations\HasOneOrMany::getRelationExistenceQuery()`	#
`public`	`addOneOfManySubQueryConstraints( Builder<TRelatedModel> $query, string\|null $column = null, string\|null $aggregate = null, ): void` Add constraints for inner join subselect for one of many relationships. Add constraints for inner join subselect for one of many relationships.	#
`public`	`getOneOfManySubQuerySelectColumns(): array\|string` Get the columns that should be selected by the one of many subquery. Get the columns that should be selected by the one of many subquery.	#
`public`	`addOneOfManyJoinSubQueryConstraints(JoinClause $join): void` Add join query constraints for one of many relationships. Add join query constraints for one of many relationships.	#
`public`	`newRelatedInstanceFor(TDeclaringModel $parent): TRelatedModel` Make a new related instance for the given model. Make a new related instance for the given model.	#
`protected`	`getRelatedKeyFrom(TRelatedModel $model): int\|string` Get the value of the model's foreign key. Get the value of the model's foreign key.	#

Methods inherited from Illuminate\Database\Eloquent\Relations\HasOneOrMany
__construct(), make(), makeMany(), addConstraints(), addEagerConstraints(), matchOne(), matchMany(), matchOneOrMany(), getRelationValue(), buildDictionary(), findOrNew(), firstOrNew(), firstOrCreate(), createOrFirst(), updateOrCreate(), upsert(), save(), saveQuietly(), saveMany(), saveManyQuietly(), create(), createQuietly(), forceCreate(), forceCreateQuietly(), createMany(), createManyQuietly(), setForeignAttributesForCreate(), getRelationExistenceQueryForSelfRelation(), take(), limit(), getExistenceCompareKey(), getParentKey(), getQualifiedParentKeyName(), getForeignKeyName(), getQualifiedForeignKeyName(), getLocalKeyName()

Methods inherited from Illuminate\Database\Eloquent\Relations\HasOneOrMany

__construct(), make(), makeMany(), addConstraints(), addEagerConstraints(), matchOne(), matchMany(), matchOneOrMany(), getRelationValue(), buildDictionary(), findOrNew(), firstOrNew(), firstOrCreate(), createOrFirst(), updateOrCreate(), upsert(), save(), saveQuietly(), saveMany(), saveManyQuietly(), create(), createQuietly(), forceCreate(), forceCreateQuietly(), createMany(), createManyQuietly(), setForeignAttributesForCreate(), getRelationExistenceQueryForSelfRelation(), take(), limit(), getExistenceCompareKey(), getParentKey(), getQualifiedParentKeyName(), getForeignKeyName(), getQualifiedForeignKeyName(), getLocalKeyName()

Methods inherited from Illuminate\Database\Eloquent\Relations\Relation
`noConstraints(), getEager(), sole(), get(), touch(), rawUpdate(), getRelationExistenceCountQuery(), getRelationCountHash(), getKeys(), getRelationQuery(), getQuery(), getBaseQuery(), toBase(), getParent(), getRelated(), createdAt(), updatedAt(), relatedUpdatedAt(), whereInEager(), whereInMethod(), requireMorphMap(), requiresMorphMap(), enforceMorphMap(), morphMap(), buildMorphMapFromModels(), getMorphedModel(), getMorphAlias(), __call(), __clone()`

Methods inherited from Illuminate\Database\Eloquent\Relations\Relation

noConstraints(), getEager(), sole(), get(), touch(), rawUpdate(), getRelationExistenceCountQuery(), getRelationCountHash(), getKeys(), getRelationQuery(), getQuery(), getBaseQuery(), toBase(), getParent(), getRelated(), createdAt(), updatedAt(), relatedUpdatedAt(), whereInEager(), whereInMethod(), requireMorphMap(), requiresMorphMap(), enforceMorphMap(), morphMap(), buildMorphMapFromModels(), getMorphedModel(), getMorphAlias(), __call(), __clone()

Methods used from Illuminate\Support\Traits\ForwardsCalls
`forwardCallTo(), forwardDecoratedCallTo(), throwBadMethodCallException()`

Methods used from Illuminate\Support\Traits\Macroable
`macro(), mixin(), hasMacro(), flushMacros(), __callStatic(),`

Methods used from Illuminate\Database\Eloquent\Relations\Concerns\InteractsWithDictionary
`getDictionaryKey()`

Methods used from Illuminate\Database\Eloquent\Relations\Concerns\SupportsInverseRelations
`inverse(), chaperone(), guessInverseRelation(), getPossibleInverseRelations(), applyInverseRelationToCollection(), applyInverseRelationToModel(), getInverseRelationship(), withoutInverse(), withoutChaperone()`

Methods used from Illuminate\Database\Eloquent\Relations\Concerns\ComparesRelatedModels
`is(), isNot(), getParentKey(), compareKeys()`

Methods used from Illuminate\Database\Eloquent\Relations\Concerns\CanBeOneOfMany
`ofMany(), latestOfMany(), oldestOfMany(), getDefaultOneOfManyJoinAlias(), newOneOfManySubQuery(), addOneOfManyJoinSubQuery(), mergeOneOfManyJoinsTo(), getRelationQuery(), getOneOfManySubQuery(), qualifySubSelectColumn(), qualifyRelatedColumn(), guessRelationship(), isOneOfMany(), getRelationName()`

Methods used from Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels
`withDefault(), getDefaultFor()`

Properties inherited from Illuminate\Database\Eloquent\Relations\HasOneOrMany
`$foreignKey, $localKey`

Properties inherited from Illuminate\Database\Eloquent\Relations\Relation
`$query, $parent, $related, $eagerKeysWereEmpty, $constraints, $morphMap, $requireMorphMap, $selfJoinCount`

Properties used from Illuminate\Support\Traits\Macroable
`$macros`

Properties used from Illuminate\Database\Eloquent\Relations\Concerns\SupportsInverseRelations
`$inverseRelationship`

Properties used from Illuminate\Database\Eloquent\Relations\Concerns\CanBeOneOfMany
`$isOneOfMany, $relationName, $oneOfManySubQuery`

Properties used from Illuminate\Database\Eloquent\Relations\Concerns\SupportsDefaultModels
`$withDefault`

Namespaces

Classes

Class Illuminate\Database\Eloquent\Relations\HasOne

`<TRelatedModel is Model, TDeclaringModel is Model>`

Implements

Implements

Implements

Overrides