Online PHP editor | output for XT7Tt

@ 2015-04-29T08:24:32Z

<?php

class User {
    private $id;
    private $username;
}

class Hydrator
{
    private $propertyMap = array();
    private $valueFilters = array();

    public function setPropertyMap(array $propertyMap)
    {
        $this->propertyMap = $propertyMap;
    }
    
    public function setValueFilters(array $filters)
    {
        $this->valueFilters = $filters;
    }

    public function generate()
    {
        $propertyMap  = $this->propertyMap;
        $valueFilters = $this->valueFilters;
        return function (array $row) use ($propertyMap, $valueFilters) {
            var_dump($this);
            foreach ($row as $k => $v) {
                $property = isset($propertyMap[$k]) ? $propertyMap[$k] : $k;
                $value    = isset($valueFilters[$k]) ? $valueFilters[$k]($v) : $v;
                $this->{$property} = $v;
            }
        };
    }
    
    public function hydrate($obj, array $data)
    {
        $fn = $this->generate()->bindTo($obj, $obj);
        $fn($data);
        return $obj;
    }
}

class MySqlUserMapper {
    public function fetchByUsername($username) {
        $row = array(
            'id'       => '1',
            'username' => $username,
        );
        $user = new User;
        $this->hydrate($user, $row);
        return $user;
    }
    
    private function hydrate(User $user, array $row) {
        static $hydrator;
        
        if (!$hydrator) {
            $hydrator = new Hydrator();
            $hydrator->setValueFilters(array(
                'id' => 'intval'
            ));
        }
        
        return $hydrator->hydrate($user, $row);
    }
}

$mapper = new MySqlUserMapper();
var_dump($mapper->fetchByUsername('mabe'));

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: object(User)#2 (2) { ["id":"User":private]=> NULL ["username":"User":private]=> NULL } object(User)#2 (2) { ["id":"User":private]=> string(1) "1" ["username":"User":private]=> string(4) "mabe" }
Output for 5.3.0 - 5.3.29: Fatal error: Call to undefined method Closure::bindTo() in /in/XT7Tt on line 39
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/XT7Tt on line 27
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/XT7Tt on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XT7Tt on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XT7Tt on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/XT7Tt on line 4
Process exited with code 255.

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