PHP code example of codesvault / validator

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

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

    

codesvault / validator example snippets

$validator = Validator::validate(
    [
		'username'	=> 'uired|min:8',
		'email'		=> '

$validator = Validator::validate(
	[
		'username'	=> ''	=> 'abmsourav',
		'full_name'	=> 'Keramot UL Islam'
	]
);

$validator = Validator::validate(
    ['username' => 'nvalid examples:
// ['username' => '']         // ❌ Empty string
// ['username' => null]       // ❌ Null value
// []                         // ❌ Missing field

$validator = Validator::validate(
    ['email' => 'email'],
    ['email' => '[email protected]']  // ✅ Valid
);

// Invalid examples:
// ['email' => 'invalid-email']     // ❌ Invalid format
// ['email' => '@example.com']      // ❌ Missing username
// ['email' => 'user@']             // ❌ Missing domain

$validator = Validator::validate(
    ['website' => 'url'],
    ['website' => 'https://example.com']  // ✅ Valid
);

// Also valid:
// ['website' => 'http://example.com']
// ['website' => 'ftp://files.example.com']

// Invalid examples:
// ['website' => 'not-a-url']       // ❌ Invalid format
// ['website' => 'example.com']     // ❌ Missing protocol

$validator = Validator::validate(
    ['name' => 'stringOnly'],
    ['name' => 'John']  // ✅ Valid
);

// Invalid examples:
// ['name' => 'John123']            // ❌ Contains numbers
// ['name' => 'John Doe']           // ❌ Contains space
// ['name' => 'John-Doe']           // ❌ Contains dash

$validator = Validator::validate(
    ['full_name' => 'stringWithSpace'],
    ['full_name' => 'John Doe']  // ✅ Valid
);

// Also valid:
// ['full_name' => 'Mary Jane Watson']

// Invalid examples:
// ['full_name' => 'John123']       // ❌ Contains numbers
// ['full_name' => 'John-Doe']      // ❌ Contains dash

$validator = Validator::validate(
    ['username' => 'stringWithNumber'],
    ['username' => 'user123']  // ✅ Valid
);

// Also valid:
// ['username' => 'JohnDoe456']

// Invalid examples:
// ['username' => 'user 123']       // ❌ Contains space
// ['username' => 'user-123']       // ❌ Contains dash

$validator = Validator::validate(
    ['slug' => 'stringWithDash'],
    ['slug' => 'hello-world_page']  // ✅ Valid
);

// Also valid:
// ['slug' => 'my_awesome_post']
// ['slug' => 'hello-world']

// Invalid examples:
// ['slug' => 'hello world']        // ❌ Contains space
// ['slug' => 'hello123']           // ❌ Contains numbers

// Uppercase only
$validator = Validator::validate(
    ['code' => 'uppercase'],
    ['code' => 'HELLO']  // ✅ Valid
);

// Lowercase only
$validator = Validator::validate(
    ['tag' => 'lowercase'],
    ['tag' => 'hello']  // ✅ Valid
);

// Mixed case (both upper and lower case 

$validator = Validator::validate(
    ['password' => 'stringWithSymbols'],
    ['password' => 'Pass@123!']  // ✅ Valid
);

// Also valid:
// ['password' => 'My$ecur3#Pass']

// String minimum length
$validator = Validator::validate(
    ['password' => 'min:8'],
    ['password' => 'mypassword']  // ✅ Valid (10 characters)
);

// Number minimum value
$validator = Validator::validate(
    ['age' => 'min:18'],
    ['age' => 25]  // ✅ Valid
);

// Array minimum items
$validator = Validator::validate(
    ['tags' => 'min:2'],
    ['tags' => ['php', 'javascript', 'html']]  // ✅ Valid (3 items)
);

// String maximum length
$validator = Validator::validate(
    ['title' => 'max:100'],
    ['title' => 'Short Title']  // ✅ Valid
);

// Number maximum value
$validator = Validator::validate(
    ['score' => 'max:100'],
    ['score' => 85]  // ✅ Valid
);

// Array maximum items
$validator = Validator::validate(
    ['categories' => 'max:5'],
    ['categories' => ['tech', 'news']]  // ✅ Valid (2 items)
);

$validator = Validator::validate(
    ['age' => 'integer'],
    ['age' => 25]  // ✅ Valid
);

// Also valid:
// ['age' => '30']              // ✅ String numbers are valid

// Invalid examples:
// ['age' => 25.5]              // ❌ Float value
// ['age' => 'twenty']          // ❌ Text value

$validator = Validator::validate(
    ['tags' => 'array'],
    ['tags' => ['php', 'javascript']]  // ✅ Valid
);

// Invalid examples:
// ['tags' => 'php,javascript']     // ❌ String value
// ['tags' => 123]                  // ❌ Number value

$validator = Validator::validate(
    ['confirmation' => 'sameValue:yes'],
    ['confirmation' => 'yes']  // ✅ Valid
);

// For password confirmation:
$validator = Validator::validate(
    [
        'password' => '

// Validate each email in an array
$validator = Validator::validate(
    ['emails' => 'each:email'],
    ['emails' => ['[email protected]', '[email protected]']]  // ✅ Valid
);

// Validate each item with multiple rules (`&` [AND] operator)
$validator = Validator::validate(
    ['usernames' => 'each:

$validator = Validator::validate(
    [
        'username'	=> 'equired|min:8|mixedCase',
        'age'		=> 'username'	=> 'johndoe',
        'email'		=> '[email protected]',
        'password'	=> 'MySecure123',
        'age'		=> 25,
        'tags'		=> ['php', 'javascript'],
        'skills'	=> ['programming', 'design']
    ]
);

$data = $validator->getData();

$validator = Validator::validate(
    [
        'username' => 'name' => 'ab',  // Too short
        'email' => 'invalid-email'  // Invalid format
    ]
);

$errors = $validator->error();
if ($errors) {
    // Handle validation errors
    foreach ($errors as $field => $message) {
        echo "Error in {$field}: {$message[0]}\n";
    }
}

$data = $validator->getData();