Online PHP editor | output for oEL6a

@ 2016-01-23T13:32:50Z

<?php

$properties = [
    'name'  =>  ['f'],
    'name2' =>  ['relation->g'],                    # one possibility
    'name3' =>  ['relation', 'g'],                  # another possibility, (could just be an explode('->'))
    'name4' =>  ['relation', ['format', 'd-m-Y']],  # chaining a 2nd method call
];

class BasicModel
{
    public $f = 123;
    
    public function relation()
    {
        return new RelatedModel;
    }
    
    public function __get($name)
    {
        if (method_exists($this, $name))
        {
            return $this->$name();
        }
    }
    
    public function __call($name, $arguments)
    {
        if (method_exists($this, $name))
        {
            return call_user_func_array ([$this, $name], $arguments);
        }
    }
}

class RelatedModel extends BasicModel   # extends to get __get, __call functionality
{
    public $g = 567;
    
    public function format($format)
    {
        return $format; # tbi
    }
}

# here is implementation

$model = new BasicModel;

foreach ($properties as $name => $_)
{
    // match
    $method = $_[0];
    
    // call
    $data[$name] = consume($model, $method);          # here, is there an easy way to support all above? or something very close?
}

function consume($model, $methods)
{
    var_dump(count($methods));
    if (count($methods) == 1)
    {
        if (strpos($methods[0], '->') !== false)
        {
            // there are '->', so explode and repeat
            return consume($model, explode('->', $methods));    # second case
        }
        
        return $model->$methods;    # first case
    }
    else
    {
        var_dump('not one', $methods);
        $part = $model;
        foreach ($methods as $chainCall)
        {
            var_dump($part);
            $part = $part->$chainCall;
        }
        
        return $part;
    }
}

var_dump($data);

Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/oEL6a:61 Stack trace: #0 /in/oEL6a(56): consume(Object(BasicModel), 'f') #1 {main} thrown in /in/oEL6a on line 61
Process exited with code 255.
Output for 8.0.0 - 8.0.9: Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, string given in /in/oEL6a:61 Stack trace: #0 /in/oEL6a(56): consume(Object(BasicModel), 'f') #1 {main} thrown in /in/oEL6a on line 61
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 61 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 62 Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 61 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 62 Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 61 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 62 Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 61 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/oEL6a on line 62 array(4) { ["name"]=> int(123) ["name2"]=> NULL ["name3"]=> object(RelatedModel)#2 (2) { ["g"]=> int(567) ["f"]=> int(123) } ["name4"]=> object(RelatedModel)#3 (2) { ["g"]=> int(567) ["f"]=> int(123) } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33: int(1) int(1) int(1) int(1) array(4) { ["name"]=> int(123) ["name2"]=> NULL ["name3"]=> object(RelatedModel)#2 (2) { ["g"]=> int(567) ["f"]=> int(123) } ["name4"]=> object(RelatedModel)#3 (2) { ["g"]=> int(567) ["f"]=> int(123) } }

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