HasRelationships

trait HasRelationships (View source)

Properties

protected array $relations The loaded relationships for the model.
protected array $touches The relationships that should be touched on save.
static string[] $manyMethods The many to many relationship methods.
static protected array $relationResolvers The relation resolver callbacks.

Methods

static void resolveRelationUsing(string $name, Closure $callback)

Define a dynamic relation resolver.
HasOne hasOne(string $related, string|null $foreignKey = null, string|null $localKey = null)

Define a one-to-one relationship.
HasOne newHasOne(Builder $query, Model $parent, string $foreignKey, string $localKey)

Instantiate a new HasOne relationship.
HasOneThrough hasOneThrough(string $related, string $through, string|null $firstKey = null, string|null $secondKey = null, string|null $localKey = null, string|null $secondLocalKey = null)

Define a has-one-through relationship.
HasOneThrough newHasOneThrough(Builder $query, Model $farParent, Model $throughParent, string $firstKey, string $secondKey, string $localKey, string $secondLocalKey)

Instantiate a new HasOneThrough relationship.
MorphOne morphOne(string $related, string $name, string|null $type = null, string|null $id = null, string|null $localKey = null)

Define a polymorphic one-to-one relationship.
MorphOne newMorphOne(Builder $query, Model $parent, string $type, string $id, string $localKey)

Instantiate a new MorphOne relationship.
BelongsTo belongsTo(string $related, string|null $foreignKey = null, string|null $ownerKey = null, string|null $relation = null)

Define an inverse one-to-one or many relationship.
BelongsTo newBelongsTo(Builder $query, Model $child, string $foreignKey, string $ownerKey, string $relation)

Instantiate a new BelongsTo relationship.
MorphTo morphTo(string|null $name = null, string|null $type = null, string|null $id = null, string|null $ownerKey = null)

Define a polymorphic, inverse one-to-one or many relationship.
MorphTo morphEagerTo(string $name, string $type, string $id, string $ownerKey)

Define a polymorphic, inverse one-to-one or many relationship.
MorphTo morphInstanceTo(string $target, string $name, string $type, string $id, string $ownerKey)

Define a polymorphic, inverse one-to-one or many relationship.
MorphTo newMorphTo(Builder $query, Model $parent, string $foreignKey, string $ownerKey, string $type, string $relation)

Instantiate a new MorphTo relationship.
static string getActualClassNameForMorph(string $class)

Retrieve the actual class name for a given morph class.
string guessBelongsToRelation()

Guess the "belongs to" relationship name.
HasMany hasMany(string $related, string|null $foreignKey = null, string|null $localKey = null)

Define a one-to-many relationship.
HasMany newHasMany(Builder $query, Model $parent, string $foreignKey, string $localKey)

Instantiate a new HasMany relationship.
HasManyThrough hasManyThrough(string $related, string $through, string|null $firstKey = null, string|null $secondKey = null, string|null $localKey = null, string|null $secondLocalKey = null)

Define a has-many-through relationship.
HasManyThrough newHasManyThrough(Builder $query, Model $farParent, Model $throughParent, string $firstKey, string $secondKey, string $localKey, string $secondLocalKey)

Instantiate a new HasManyThrough relationship.
MorphMany morphMany(string $related, string $name, string|null $type = null, string|null $id = null, string|null $localKey = null)

Define a polymorphic one-to-many relationship.
MorphMany newMorphMany(Builder $query, Model $parent, string $type, string $id, string $localKey)

Instantiate a new MorphMany relationship.
BelongsToMany belongsToMany(string $related, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null, string|null $relation = null)

Define a many-to-many relationship.
BelongsToMany newBelongsToMany(Builder $query, Model $parent, string $table, string $foreignPivotKey, string $relatedPivotKey, string $parentKey, string $relatedKey, string|null $relationName = null)

Instantiate a new BelongsToMany relationship.
MorphToMany morphToMany(string $related, string $name, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null, bool $inverse = false)

Define a polymorphic many-to-many relationship.
MorphToMany newMorphToMany(Builder $query, Model $parent, string $name, string $table, string $foreignPivotKey, string $relatedPivotKey, string $parentKey, string $relatedKey, string|null $relationName = null, bool $inverse = false)

Instantiate a new MorphToMany relationship.
MorphToMany morphedByMany(string $related, string $name, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null)

Define a polymorphic, inverse many-to-many relationship.
string|null guessBelongsToManyRelation()

Get the relationship name of the belongsToMany relationship.
string joiningTable(string $related, Model|null $instance = null)

Get the joining table name for a many-to-many relation.
string joiningTableSegment()

Get this model's half of the intermediate table name for belongsToMany relationships.
bool touches(string $relation)

Determine if the model touches a given relation.
void touchOwners()

Touch the owning relations of the model.
array getMorphs(string $name, string $type, string $id)

Get the polymorphic relationship columns.
string getMorphClass()

Get the class name for polymorphic relations.
mixed newRelatedInstance(string $class)

Create a new model instance for a related model.
array getRelations()

Get all the loaded relations for the instance.
mixed getRelation(string $relation)

Get a specified relationship.
bool relationLoaded(string $key)

Determine if the given relation is loaded.
$this setRelation(string $relation, mixed $value)

Set the given relationship on the model.
$this unsetRelation(string $relation)

Unset a loaded relationship.
$this setRelations(array $relations)

Set the entire relations array on the model.
$this withoutRelations()

Duplicate the instance and unset all the loaded relations.
$this unsetRelations()

Unset all the loaded relations for the instance.
array getTouchedRelations()

Get the relationships that are touched on save.
$this setTouchedRelations(array $touches)

Set the relationships that are touched on save.

Details

static void resolveRelationUsing(string $name, Closure $callback)

Define a dynamic relation resolver.

Parameters

string $name
Closure $callback

Return Value

void

HasOne hasOne(string $related, string|null $foreignKey = null, string|null $localKey = null)

Define a one-to-one relationship.

Parameters

string $related
string|null $foreignKey
string|null $localKey

Return Value

HasOne

protected HasOne newHasOne(Builder $query, Model $parent, string $foreignKey, string $localKey)

Instantiate a new HasOne relationship.

Parameters

Builder $query
Model $parent
string $foreignKey
string $localKey

Return Value

HasOne

HasOneThrough hasOneThrough(string $related, string $through, string|null $firstKey = null, string|null $secondKey = null, string|null $localKey = null, string|null $secondLocalKey = null)

Define a has-one-through relationship.

Parameters

string $related
string $through
string|null $firstKey
string|null $secondKey
string|null $localKey
string|null $secondLocalKey

Return Value

HasOneThrough

protected HasOneThrough newHasOneThrough(Builder $query, Model $farParent, Model $throughParent, string $firstKey, string $secondKey, string $localKey, string $secondLocalKey)

Instantiate a new HasOneThrough relationship.

Parameters

Builder $query
Model $farParent
Model $throughParent
string $firstKey
string $secondKey
string $localKey
string $secondLocalKey

Return Value

HasOneThrough

MorphOne morphOne(string $related, string $name, string|null $type = null, string|null $id = null, string|null $localKey = null)

Define a polymorphic one-to-one relationship.

Parameters

string $related
string $name
string|null $type
string|null $id
string|null $localKey

Return Value

MorphOne

protected MorphOne newMorphOne(Builder $query, Model $parent, string $type, string $id, string $localKey)

Instantiate a new MorphOne relationship.

Parameters

Builder $query
Model $parent
string $type
string $id
string $localKey

Return Value

MorphOne

BelongsTo belongsTo(string $related, string|null $foreignKey = null, string|null $ownerKey = null, string|null $relation = null)

Define an inverse one-to-one or many relationship.

Parameters

string $related
string|null $foreignKey
string|null $ownerKey
string|null $relation

Return Value

BelongsTo

protected BelongsTo newBelongsTo(Builder $query, Model $child, string $foreignKey, string $ownerKey, string $relation)

Instantiate a new BelongsTo relationship.

Parameters

Builder $query
Model $child
string $foreignKey
string $ownerKey
string $relation

Return Value

BelongsTo

MorphTo morphTo(string|null $name = null, string|null $type = null, string|null $id = null, string|null $ownerKey = null)

Define a polymorphic, inverse one-to-one or many relationship.

Parameters

string|null $name
string|null $type
string|null $id
string|null $ownerKey

Return Value

MorphTo

protected MorphTo morphEagerTo(string $name, string $type, string $id, string $ownerKey)

Define a polymorphic, inverse one-to-one or many relationship.

Parameters

string $name
string $type
string $id
string $ownerKey

Return Value

MorphTo

protected MorphTo morphInstanceTo(string $target, string $name, string $type, string $id, string $ownerKey)

Define a polymorphic, inverse one-to-one or many relationship.

Parameters

string $target
string $name
string $type
string $id
string $ownerKey

Return Value

MorphTo

protected MorphTo newMorphTo(Builder $query, Model $parent, string $foreignKey, string $ownerKey, string $type, string $relation)

Instantiate a new MorphTo relationship.

Parameters

Builder $query
Model $parent
string $foreignKey
string $ownerKey
string $type
string $relation

Return Value

MorphTo

static string getActualClassNameForMorph(string $class)

Retrieve the actual class name for a given morph class.

Parameters

string $class

Return Value

string

protected string guessBelongsToRelation()

Guess the "belongs to" relationship name.

Return Value

string

HasMany hasMany(string $related, string|null $foreignKey = null, string|null $localKey = null)

Define a one-to-many relationship.

Parameters

string $related
string|null $foreignKey
string|null $localKey

Return Value

HasMany

protected HasMany newHasMany(Builder $query, Model $parent, string $foreignKey, string $localKey)

Instantiate a new HasMany relationship.

Parameters

Builder $query
Model $parent
string $foreignKey
string $localKey

Return Value

HasMany

HasManyThrough hasManyThrough(string $related, string $through, string|null $firstKey = null, string|null $secondKey = null, string|null $localKey = null, string|null $secondLocalKey = null)

Define a has-many-through relationship.

Parameters

string $related
string $through
string|null $firstKey
string|null $secondKey
string|null $localKey
string|null $secondLocalKey

Return Value

HasManyThrough

protected HasManyThrough newHasManyThrough(Builder $query, Model $farParent, Model $throughParent, string $firstKey, string $secondKey, string $localKey, string $secondLocalKey)

Instantiate a new HasManyThrough relationship.

Parameters

Builder $query
Model $farParent
Model $throughParent
string $firstKey
string $secondKey
string $localKey
string $secondLocalKey

Return Value

HasManyThrough

MorphMany morphMany(string $related, string $name, string|null $type = null, string|null $id = null, string|null $localKey = null)

Define a polymorphic one-to-many relationship.

Parameters

string $related
string $name
string|null $type
string|null $id
string|null $localKey

Return Value

MorphMany

protected MorphMany newMorphMany(Builder $query, Model $parent, string $type, string $id, string $localKey)

Instantiate a new MorphMany relationship.

Parameters

Builder $query
Model $parent
string $type
string $id
string $localKey

Return Value

MorphMany

BelongsToMany belongsToMany(string $related, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null, string|null $relation = null)

Define a many-to-many relationship.

Parameters

string $related
string|null $table
string|null $foreignPivotKey
string|null $relatedPivotKey
string|null $parentKey
string|null $relatedKey
string|null $relation

Return Value

BelongsToMany

protected BelongsToMany newBelongsToMany(Builder $query, Model $parent, string $table, string $foreignPivotKey, string $relatedPivotKey, string $parentKey, string $relatedKey, string|null $relationName = null)

Instantiate a new BelongsToMany relationship.

Parameters

Builder $query
Model $parent
string $table
string $foreignPivotKey
string $relatedPivotKey
string $parentKey
string $relatedKey
string|null $relationName

Return Value

BelongsToMany

MorphToMany morphToMany(string $related, string $name, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null, bool $inverse = false)

Define a polymorphic many-to-many relationship.

Parameters

string $related
string $name
string|null $table
string|null $foreignPivotKey
string|null $relatedPivotKey
string|null $parentKey
string|null $relatedKey
bool $inverse

Return Value

MorphToMany

protected MorphToMany newMorphToMany(Builder $query, Model $parent, string $name, string $table, string $foreignPivotKey, string $relatedPivotKey, string $parentKey, string $relatedKey, string|null $relationName = null, bool $inverse = false)

Instantiate a new MorphToMany relationship.

Parameters

Builder $query
Model $parent
string $name
string $table
string $foreignPivotKey
string $relatedPivotKey
string $parentKey
string $relatedKey
string|null $relationName
bool $inverse

Return Value

MorphToMany

MorphToMany morphedByMany(string $related, string $name, string|null $table = null, string|null $foreignPivotKey = null, string|null $relatedPivotKey = null, string|null $parentKey = null, string|null $relatedKey = null)

Define a polymorphic, inverse many-to-many relationship.

Parameters

string $related
string $name
string|null $table
string|null $foreignPivotKey
string|null $relatedPivotKey
string|null $parentKey
string|null $relatedKey

Return Value

MorphToMany

protected string|null guessBelongsToManyRelation()

Get the relationship name of the belongsToMany relationship.

Return Value

string|null

string joiningTable(string $related, Model|null $instance = null)

Get the joining table name for a many-to-many relation.

Parameters

string $related
Model|null $instance

Return Value

string

string joiningTableSegment()

Get this model's half of the intermediate table name for belongsToMany relationships.

Return Value

string

bool touches(string $relation)

Determine if the model touches a given relation.

Parameters

string $relation

Return Value

bool

void touchOwners()

Touch the owning relations of the model.

Return Value

void

protected array getMorphs(string $name, string $type, string $id)

Get the polymorphic relationship columns.

Parameters

string $name
string $type
string $id

Return Value

array

string getMorphClass()

Get the class name for polymorphic relations.

Return Value

string

protected mixed newRelatedInstance(string $class)

Create a new model instance for a related model.

Parameters

string $class

Return Value

mixed

array getRelations()

Get all the loaded relations for the instance.

Return Value

array

mixed getRelation(string $relation)

Get a specified relationship.

Parameters

string $relation

Return Value

mixed

bool relationLoaded(string $key)

Determine if the given relation is loaded.

Parameters

string $key

Return Value

bool

$this setRelation(string $relation, mixed $value)

Set the given relationship on the model.

Parameters

string $relation
mixed $value

Return Value

$this

$this unsetRelation(string $relation)

Unset a loaded relationship.

Parameters

string $relation

Return Value

$this

$this setRelations(array $relations)

Set the entire relations array on the model.

Parameters

array $relations

Return Value

$this

$this withoutRelations()

Duplicate the instance and unset all the loaded relations.

Return Value

$this

$this unsetRelations()

Unset all the loaded relations for the instance.

Return Value

$this

array getTouchedRelations()

Get the relationships that are touched on save.

Return Value

array

$this setTouchedRelations(array $touches)

Set the relationships that are touched on save.

Parameters

array $touches

Return Value

$this

© Taylor Otwell
Licensed under the MIT License.
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https://laravel.com/api/8.x/Illuminate/Database/Eloquent/Concerns/HasRelationships.html