PHP Classes

File: src/Filter/StrictArrayFilter.php

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  Classes of Scott Arciszewski  >  Ionizer PHP Filter Input  >  src/Filter/StrictArrayFilter.php  >  Download  
File: src/Filter/StrictArrayFilter.php
Role: Class source
Content type: text/plain
Description: Class source
Class: Ionizer PHP Filter Input
Filter input values by chaining filter objects
Author: By
Last change:
Date: 1 year ago
Size: 2,453 bytes
 

Contents

Class file image Download
<?php
declare(strict_types=1);
namespace
ParagonIE\Ionizer\Filter;

use
ParagonIE\Ionizer\Contract\FilterInterface;
use
ParagonIE\Ionizer\InvalidDataException;
use
ParagonIE\Ionizer\Util;

/**
 * Class StrictArrayFilter
 * @package ParagonIE\Ionizer\Filter
 */
class StrictArrayFilter extends ArrayFilter implements FilterInterface
{
   
/** @var string */
   
protected $keyType;

   
/** @var string */
   
protected $valueType;

    public function
__construct(string $keyType, string $valueType)
    {
        if (!\
in_array($keyType, ['int', 'string'], true)) {
            throw new \
RuntimeException('Cannot accept key types other than "int" or "string".');
        }
       
$this->keyType = $keyType;
       
$this->valueType = $valueType;
    }

   
/**
     * Apply all of the callbacks for this filter.
     *
     * @param mixed|null $data
     * @param int $offset
     * @return mixed
     * @throws \TypeError
     * @throws InvalidDataException
     */
   
public function applyCallbacks($data = null, int $offset = 0)
    {
        if (
$offset === 0) {
            if (\
is_null($data)) {
                return
parent::applyCallbacks([], 0);
            } elseif (!\
is_array($data)) {
                throw new \
TypeError(
                    \
sprintf('Expected an array (%s).', $this->index)
                );
            }
           
$data = (array) $data;
           
/**
             * @var array<mixed, mixed> $data
             * @var string|int|float|bool|array|null $value
             */
           
foreach ($data as $key => $value) {
               
$keyType = Util::getType($key);
               
$valType = Util::getType($value);
                if (
$keyType !== $this->keyType || $valType !== $this->valueType) {
                    throw new \
TypeError(
                        \
sprintf(
                           
'Expected an array<%s, %s>. At least one element of <%s, %s> was found (%s[%s] == %s).',
                           
$this->keyType,
                           
$this->valueType,
                           
$keyType,
                           
$valType,
                           
$this->index,
                            \
json_encode($key),
                            \
json_encode($value)
                        )
                    );
                }
            }

            return
parent::applyCallbacks($data, 0);
        }
        return
parent::applyCallbacks($data, $offset);
    }
}