This is a custom validator for phalcon framework to validate each entry inside a array

phalcon-array-validator.php

<?php
namespace greatshot\system\validation\validator;
use Phalcon\Validation;
use Phalcon\Validation\Message;
use Phalcon\Validation\Validator;
use Phalcon\Validation\ValidatorInterface;

/**
 * This class aims to apply a validator to a list of values
 *
 * Usage: new ArrayValidator([
 *     'message' => 'The given value is not a list',
 *     'validator' => new Email(['message' => 'Invalid email'])
 * ])
 *
 * @package greatshot\system\validation\validator
 */
class ArrayValidator extends Validator implements ValidatorInterface {

	/**
	 * Executes the validation
	 *
	 * @param mixed $validation
	 * @param string $attribute
	 * @return bool
	 */
	public function validate(Validation $validation, $attribute) {
		$list = $validation->getValue($attribute);
		$validator = $this->getOption('validator');
		$message = $this->getOption('notAnArrayMessage') ?: '';
		// Check if the value is empty or is not an array or doesn't contain id or name
		if (empty($list) || !is_array($list)) {
			$validation->appendMessage(new Message($message, $attribute, 'array'));
			return false;
		}
		// Add validator for each list entry
		$listValidation = new Validation();
		foreach ($list as $index => $value) {
			$listValidation->add($index, $validator);
		}
		// Validate the list
		$messages = $listValidation->validate($list);
		if (count($messages)) {
			// Add error messages to parent validation
			foreach ($messages as $message) {
				$message->setField($attribute . '[' . $message->getField() . ']');
				$validation->appendMessage($message);
			}
			return false;
		}

		return true;
	}
}

Usage: $this->validator->add("field_name", new ArrayValidator([
"message" => "Value is not an Array",
"validator" => new PresenceOf([
"message" => "Field Name is missing"
])
]));

public function validate($validation, $attribute) {
    $list = $validation->getValue($attribute);
    $validator = $this->getOption('validator');
    $message = $this->getOption('notAnArrayMessage') ?: '';
    if (empty($list) || !is_array($list)) {
        $validation->appendMessage(new Message($message, $attribute, "array"));
        return false;
    }
    // Add validator for each $list element
    $listValidation = new Validation();
    foreach ($list as $index => $value) {
        $listValidation->add($index, $validator);
    }

    //Validate $list
    $messages = $listValidation->validate($list);
    if (count($messages)) {
        foreach ($messages as $message) {
            $message->setField($attribute . '[' . $message->getField() . ']');
            $validation->appendMessage($message);
        }
        return false;
    }
    return true;
}