TinyValidator.php

<?php

namespace TinyLara\TinyValidator;

class TinyValidator {

  public $success = true;
  public $errors = [];

  private $reasons = [];
  private $data;
  private $rules;

  public function __construct($data, $rules)
  {
    $this->data = $data;
    $this->rules = $rules;
    $this->reasons = require __DIR__.'/reasons.php';

    $this->fire();
  }

  public function fire()
  {
    foreach ($this->rules as $attribute => $rule) {
      foreach (explode('|', $rule) as $item) {
        $detial = explode(':', $item);
        if ( count( $detial ) > 1 ) {
          $reason = $this->$detial[0]($this->data[$attribute], $detial[1]);
        } else {
          $reason = $this->$item($this->data[$attribute]);
        }
        if ( $reason !== true ) {
          $this->errors[] = str_replace(':attribute', $attribute, $reason);
        }
      }
    }
    if ( count($this->errors) ) {
      $this->success = false;
    }
  }

  protected function required($value)
  {
    return !$value ? $this->reasons['required'] : true;
  }
  protected function email($value)
  {
    return filter_var($value, FILTER_VALIDATE_EMAIL) ? true : $this->reasons['email'];
  }
  protected function min($value, $min)
  {
    return mb_strlen($value, 'UTF-8') >= $min ? true : str_replace(':min', $min, $this->reasons['min']);
  }
  protected function max($value, $max)
  {
    return mb_strlen($value, 'UTF-8') <= $max ? true : str_replace(':max', $max, $this->reasons['max']);
  }
  protected function numeric($value)
  {
    return is_numeric($value) ? true : $this->reasons['numeric'];
  }
  protected function integer($value)
  {
    return filter_var($value, FILTER_VALIDATE_INT) !== false ? true : $this->reasons['integer'];
  }

  public function __call($method, $parameters)
  {
    throw new \UnexpectedValueException("Validate rule [$method] does not exist!");
  }
}