Online PHP editor | output for bDRq5

@ 2018-02-11T20:10:43Z

<?php

$config = [
    'legendaryName' => [
        'column' => 'legendary_name',
        'type' => 'string',
    ]
];

$data = ['legendary_name' => 'The Hammer'];

class Warrior {
    use DbHydrate;
    
    private $legendaryName;
}

trait DbHydrate {
    
    public function extract($config)
    {
        $row = [];
        foreach($config as $attributeName => $column)
        {
            if(property_exists($this, $attributeName)) {
                $columnName = $attributeConfig['column'];
                $row[$columnName] = $this->{$attributeName};
            } else {
                throw new \Exception(sprintf('The property %s does not exists in %s', $attributeName, self::class));
            }
        }
        return $row;
    }
    
    public function hydrate($config, $data)
    {
        foreach($config as $attributeName => $attributeConfig)
        {
            if(property_exists($this, $attributeName)) {
                $columnName = $attributeConfig['column'];
                $value = $data[$columnName];
                if ($attributeConfig['type'] === 'string' && is_string($value)) {
                    $this->{$attributeName} = $value;
                }
            } else {
                throw new \Exception(sprintf('The property %s does not exists in %s', $attributeName, self::class));
            }
         }
    }
    
}

$legendaryWarrior = new Warrior;
$legendaryWarrior->hydrate($config, $data);
var_dump($legendaryWarrior->extract($config));
var_dump($legendaryWarrior);
/*
$config = ['classicalName' => 'classical_name'];

$data = ['classical_name' => 'John'];

$testWarrior = new Warrior;
$testWarrior->hydrate($config, $data);
var_dump($testWarrior);*/

Output for 8.3.0 - 8.3.4, 8.3.6: Warning: Undefined variable $attributeConfig in /in/bDRq5 on line 26 Warning: Trying to access array offset on null in /in/bDRq5 on line 26 array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $attributeConfig in /in/bDRq5 on line 26 Warning: Trying to access array offset on null in /in/bDRq5 on line 26 array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18: Warning: Undefined variable $attributeConfig in /in/bDRq5 on line 26 Warning: Trying to access array offset on value of type null in /in/bDRq5 on line 26 array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }
Output for 7.4.0 - 7.4.33: Notice: Undefined variable: attributeConfig in /in/bDRq5 on line 26 Notice: Trying to access array offset on value of type null in /in/bDRq5 on line 26 array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }
Output for 7.3.32 - 7.3.33: array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31: Notice: Undefined variable: attributeConfig in /in/bDRq5 on line 26 array(1) { [""]=> string(10) "The Hammer" } object(Warrior)#1 (1) { ["legendaryName":"Warrior":private]=> string(10) "The Hammer" }

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