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Informations about the package validation-my-php
ValidationMyPhp
Introduction
The Validation class is a PHP utility for performing data validation and error handling. It is designed to validate user-provided data against a set of rules and return error messages when validation fails.
Usage
Installation
Composer
You can easily install the Validation class and its dependencies using Composer. If you haven't already installed Composer globally, you can do so by following the instructions on the Composer website.
Once Composer is installed, you can add the validation-my-php package to your project by running the following command in your project's root directory:
Initialization
To use the Validation class, you first need to initialize it and set up your database connection parameters if needed. Here's an example of how to do it:
Data Validation
Once the Validation object is created, you can validate data using the validate method. You need to provide the data to validate, validation rules, and optional custom error messages. Here's an example of how to validate data:
In the example above, the validate method will return an array of error messages for fields that failed validation.
Validation Rules
You can specify various validation rules for each field in the fields array. Here are some common validation rules:
required: The field must not be empty.max:X: The field's length must not exceed X characters.min:X: The field's length must be at least X characters.between:X,Y: The field's length must be between X and Y characters.alphanumeric: The field must contain only alphanumeric characters.numeric: The field must contain only numeric characters.dunique:table,column: Check if the field value is unique in the specified database table and column.unique:table,column,soft_delete_col: Check if the field value is unique in the specified database table and column.exist:table,column: Check if the field value is exist in the specified database table and column.exist:table,column,soft_delete_col: Check if the field value is exist in the specified database table and column.email: Validate if the field is a valid email address.secure: Validate if the field contains a secure password (custom rule).same:field_name: Validate if the field is the same as another field (e.g., password confirmation).date:format: Validate if the field is the date in provided formate.url: Validate if the field is the valid URL.url:formate: Validate if the field is the valid URL in provided formate (such as http,https,ftp,custom,mailto,jdbc). Multiple formatcan be passed by saprting with ','.accepted: Validate if the field has yes, on, 1 and true value.after:time: Validate if the field has date after provided time.alpha: Validate if the field must contain only alphabetic characters.extension: Validates if the given File Extension is Valid.
Custom Error Messages
You can provide custom error messages for each validation rule. In the example, custom error messages are defined in the third argument of the validate method. You can use %s as a placeholder for the field name in error messages.
Conclusion
The Validation class simplifies the process of validating user input data in PHP applications. It allows you to define validation rules, apply them to data, and retrieve error messages for fields that fail validation. This helps improve the security and reliability of your application by ensuring that user input meets your criteria.
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