PHP code example of phpdevcommunity / php-validator

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

phpdevcommunity / php-validator example snippets

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Email;

// Instantiate Validation object for email validation
$validation = new Validation([
    'email' => [new NotNull(), new Email()]
]);

// Example data array
$data = ['email' => '[email protected]'];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Email is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['email']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Integer;

// Instantiate Validation object for age validation
$validation = new Validation([
    'age' => [new NotNull(), new Integer(['min' => 18])]
]);

// Example data array
$data = ['age' => 25];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Age is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['age']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Alphanumeric;
use PhpDevCommunity\Validator\Rules\StringLength;

// Instantiate Validation object for username validation
$validation = new Validation([
    'username' => [new NotNull(), new StringLength(['min' => 3]), new Alphanumeric()]
]);

// Example data array
$data = ['username' => 'john_doe123'];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Username is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['username']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Url;

// Instantiate Validation object for URL validation
$validation = new Validation([
    'website' => [new NotNull(), new Url()]
]);

// Example data array
$data = ['website' => 'https://example.com'];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Website URL is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['website']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Numeric;

// Instantiate Validation object for numeric value validation
$validation = new Validation([
    'price' => [new NotNull(), new Numeric()]
]);

// Example data array
$data = ['price' => 99.99];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Price is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['price']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Custom;

// Custom validation function to check if the value is a boolean
$isBoolean = function ($value) {
    return is_bool($value);
};

// Instantiate Validation object with a custom validation rule
$validation = new Validation([
    'active' => [new NotNull(), new Custom($isBoolean)]
]);

// Example data array
$data = ['active' => true];

// Validate the data
if ($validation->validateArray($data) === true) {
    echo "Value is valid!";
} else {
    $errors = $validation->getErrors();
    echo "Validation errors: " . implode(", ", $errors['active']);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Email;
use PhpDevCommunity\Validator\Rules\Integer;

// Define validation rules for each field
$validation = new Validation([
    'username' => [new NotNull()],
    'email' => [new NotNull(), new Email()],
    'password' => [new NotNull()],
    'age' => [new NotNull(), new Integer()]
]);

// Assume $request is the \Psr\Http\Message\ServerRequestInterface object containing form data
if ($validation->validate($request) === true) {
    // Validation passed, retrieve validated data
    $validatedData = $validation->getData();
    // Process registration logic here (e.g., save to database)
    // $username = $validatedData['username'];
    // $email = $validatedData['email'];
    // $password = $validatedData['password'];
    // $age = $validatedData['age'];
    echo "Registration successful!";
} else {
    // Validation failed, retrieve validation errors
    $errors = $validation->getErrors();
    // Handle validation errors (e.g., display error messages to the user)
    echo "Validation errors: " . implode(", ", $errors);
}

use PhpDevCommunity\Validator\Validation;
use PhpDevCommunity\Validator\Rules\NotNull;
use PhpDevCommunity\Validator\Rules\Numeric;

// Define validation rules for API input data
$validation = new Validation([
    'product_id' => [new NotNull(), new Numeric()],
    'quantity' => [new NotNull(), new Numeric()]
]);

// Assume $request is the \Psr\Http\Message\ServerRequestInterface object containing API input data
if ($validation->validate($request) === true) {
    // Validation passed, proceed with processing API request
    $validatedData = $validation->getData();
    // Extract validated data
    $productId = $validatedData['product_id'];
    $quantity = $validatedData['quantity'];
    echo "API request validated successfully!";
} else {
    // Validation failed, retrieve validation errors
    $errors = $validation->getErrors();
    // Handle validation errors (e.g., return error response to the client)
    echo "Validation errors: " . implode(", ", $errors);
}

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