PHP Blog
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4 min readIn Oracle, you can split a value using the SUBSTR function. This function allows you to extract a portion of a string based on a specified starting position and length. For example, if you have a string 'HelloWorld' and you want to extract the first 5 characters, you would use the SUBSTR function like this:SELECT SUBSTR('HelloWorld', 1, 5) FROM dual;This SQL query would return 'Hello', which is the first 5 characters of the original string.
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5 min readIn Laravel, you can pluck multiple columns from a collection or query result using the pluck method. This method allows you to retrieve specific columns from a collection of objects and return them as a single-dimensional array. To pluck multiple columns, you can pass an array of column names as arguments to the pluck method. This will return a collection containing the values of the specified columns.
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6 min readTo connect FuelPHP with Oracle, you will first need to update the database configuration in the fuel/app/config/db.php file. You will need to specify the Oracle database driver in the type parameter and provide the necessary connection details such as hostname, port, database name, username, and password.Next, you will need to ensure that the Oracle driver is enabled in your PHP configuration. You can do this by uncommenting the extension=oci8 line in your php.ini file.
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4 min readTo show custom login validation in Laravel, you can create a custom validation rule by extending the Validator facade and adding the custom rule in the boot() method of the AppServiceProvider class. You can then use this custom rule in your login validation logic in the controller by adding it to the validation rules array. If the validation fails, you can display the custom error message to the user.
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5 min readTo install Oracle in Mac using Docker, you first need to have Docker installed on your Mac. Once Docker is installed, you can pull the Oracle container image from the Docker Hub repository.You can start the Oracle container by running the docker run command, specifying the container image you pulled from the repository. You can also specify the environment variables required for setting up Oracle, such as the database name, password, and port mapping.
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5 min readIn Laravel, you can send an email using the built-in Mail feature. First, you need to create a new Mailable class by running the command php artisan make:mail MyMail. This will create a new class in the App\Mail directory.Inside the Mailable class, you can define the email subject, view, and any data that needs to be passed to the view. Next, you need to create a view for the email content.To send the email, you can use the Mail::to method and pass in the recipient's email address.
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6 min readIn Oracle, you can use the SELECT statement in joins to retrieve data from multiple tables based on a common column. To do this, you can specify the columns you want to retrieve from each table in the SELECT clause, and use the JOIN keyword to specify the tables you want to combine. You can also use WHERE clause to specify the conditions for joining the tables.
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5 min readTo extend Laravel query builder, you can create a custom query builder extension by creating a new class that extends the base query builder class provided by Laravel. This custom query builder class can contain additional custom methods that you want to add to the query builder.You can then use this custom query builder in your application by using it as a replacement for the default query builder provided by Laravel.
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4 min readTo call a scheduler in Oracle from Java, you can use the OracleScheduler class from the oracle.jdbc.driver package. First, you need to establish a connection to the database using the DriverManager class and the appropriate JDBC URL, username, and password. Then, you can create an instance of the OracleScheduler class and use its methods to interact with the scheduler. This includes creating, modifying, and deleting jobs, job classes, and schedules.
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7 min readWhen using Laravel Models, it is important to understand their purpose and how to properly utilize them in your application. Models in Laravel represent the data in your database and define the relationship between data.To properly use Laravel Models, you should first create a model file using the artisan command php artisan make:model ModelName. This will generate a new model file in the app/Models directory.
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4 min readTo remove non-numeric values from a SELECT query in Oracle, you can use regular expressions in combination with the REGEXP_LIKE function. By specifying a regular expression pattern that matches only numeric values, you can filter out any non-numeric characters from the results of your query.