PHP code example of aegisora / instanceof-rule-guardian

1. Go to this page and download the library: Download aegisora/instanceof-rule-guardian library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

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

aegisora / instanceof-rule-guardian example snippets


$guardian->check($value, InstanceofRule::create(User::class), new InvalidUserObjectException());


$instanceofRuleGuardian->check($value, User::class, new InvalidUserObjectException());


use Aegisora\Guardian\Exceptions\GuardianValidationException;
use Aegisora\Guardian\Guardian;
use Aegisora\RuleGuardians\InstanceofRule\InstanceofRuleGuardian;

class User {}

$guardian = new Guardian();

$instanceofRuleGuardian = new InstanceofRuleGuardian($guardian);

try {
    $instanceofRuleGuardian->check(new User(), User::class);
    // value is instance of User
} catch (GuardianValidationException $exception) {
    // value is not instance of User
}


use Aegisora\Guardian\Guardian;
use Aegisora\RuleGuardians\InstanceofRule\InstanceofRuleGuardian;
use App\Exceptions\InvalidUserObjectException;

class User {}

$guardian = new Guardian();

$instanceofRuleGuardian = new InstanceofRuleGuardian($guardian);

$instanceofRuleGuardian->check(new \stdClass(), User::class, new InvalidUserObjectException());


use Aegisora\RuleGuardians\InstanceofRule\InstanceofRuleGuardian;
use App\Exceptions\InvalidUserObjectException;

class User {}

final class UserService
{
    private InstanceofRuleGuardian $instanceofRuleGuardian;

    public function __construct(
        InstanceofRuleGuardian $instanceofRuleGuardian
    ) {
        $this->instanceofRuleGuardian = $instanceofRuleGuardian;
    }

    /**
     * @param mixed $value
     */
    public function process($value): void
    {
        $this->instanceofRuleGuardian->check($value, User::class, new InvalidUserObjectException());

        // business logic for valid User object
    }
}


use Aegisora\Guardian\Exceptions\GuardianException;

try {
    $instanceofRuleGuardian->check($value, User::class);
} catch (GuardianException $exception) {
    // handles GuardianValidationException and GuardianExecutingRuleException
}


use Aegisora\Guardian\Exceptions\GuardianValidationException;

try {
    $instanceofRuleGuardian->check(new \stdClass(), User::class);
} catch (GuardianValidationException $exception) {
    echo $exception->getRuleCode(); // "instanceof_rule"
}


/**
 * @param mixed $value
 */
public function check(
    $value,
    string $targetClassName,
    ?\Throwable $exception = null
): void


$instanceofRuleGuardian->check($value, User::class);


$instanceofRuleGuardian->check($value, User::class, new InvalidUserObjectException());