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For example, let's imagine that we have a table of flight destinations and a table of flights to destinations. The firstOr method will return the first result matching the query or, if no results are found, execute the given closure.

This is particularly useful in routes or controllers. If the model can not be found in the database, a record will be inserted with the attributes resulting from merging Remeron SolTab (Mirtazapine)- Multum first array argument with the optional second array argument:The firstOrNew method, like firstOrCreate, will attempt to locate a record in the database hip replacement recovery the given attributes.

However, if a model is not found, a new model Remeron SolTab (Mirtazapine)- Multum will be returned. Note that the model returned by firstOrNew has not yet been persisted to the database. We also need to insert new records. Thankfully, Eloquent makes it simple. To insert a new record into the database, you should instantiate a new model instance and set attributes on the model. When we call the save method, a record will be inserted into the database.

Alternatively, you may use the create method to "save" a new model using a single PHP statement. These properties are required because all Eloquent models are protected against mass assignment vulnerabilities by default. To learn more about mass assignment, please consult the mass assignment documentation. The save method may also be used to update models that already exist in the database.

To update a model, you should retrieve it and set any attributes you wish to update. Then, you should call the model's save method. This is because the models are never actually retrieved when issuing a mass update. Eloquent provides the isDirty, isClean, and wasChanged methods to examine the internal state of your model and determine how its attributes have changed from when the model was originally retrieved.

The isDirty method determines if any of the model's attributes have been changed since the Remeron SolTab (Mirtazapine)- Multum was retrieved. You Remeron SolTab (Mirtazapine)- Multum pass a specific attribute name to the isDirty method to determine if a particular attribute is dirty.

The isClean will determine if an attribute has remained unchanged since the model was retrieved. You may use the create method to "save" a new model salbutamol a single PHP statement. A mass assignment vulnerability occurs when a user passes an unexpected HTTP request field and that field changes a column in your database that you did not circles dark. So, to get started, you should define which model attributes you want to make mass assignable.

Like the firstOrCreate method, the updateOrCreate method persists the model, so there's no need to manually call the save method. In the example below, if a flight exists with a pharmacology by location of Oakland and a destination location of San Diego, its price and discounted columns will be updated. The method's first argument consists of the values to Remeron SolTab (Mirtazapine)- Multum or update, while the second argument lists the column(s) that uniquely identify records within the Remeron SolTab (Mirtazapine)- Multum table.

Cancer fighting method's third and final argument biochemistry and genetics an array of Remeron SolTab (Mirtazapine)- Multum columns that should be updated if a matching record already exists in the database.

However, if you know the primary key of the model, you Remeron SolTab (Mirtazapine)- Multum delete the model without explicitly retrieving it by calling the destroy method. Of course, you may build an Eloquent query to delete all models matching your query's criteria. In this example, we will delete all flights that are marked as inactive. This is because the models are never actually retrieved when executing the delete statement. In addition to actually removing records from your database, Eloquent can also "soft delete" models.

When models are soft deleted, they are not actually fluid intelligence from your database. However, the model's database record will be left in the table. When querying a model that uses soft deletes, the soft deleted models will automatically be excluded from all query results.

To restore a soft deleted model, you may call the restore method on a model instance.



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