Re: Set object properties inline

On 6/1/2016 5:47 PM, Ryan Pallas wrote: > On Wed, Jun 1, 2016 at 9:37 AM, Matt Fonda <matthewfonda@gmail.com> wrote: >> >> >> Hi Jesse, >> >> It's fairly straightforward to implement a function that does this in >> userland, for example something like the following: >> >> function f($fqcn, $args) { >> $instance = new $fqcn; >> foreach ($args as $key => $value) { >> $instance->$key = $value; >> } >> return $instance; >> } >> ... >> $this->fooMethod( >> $arg1, >> $arg2, >> f('FooParams', [ >> 'prop1' => ..., >> 'prop2' => ..., >> 'prop3' => f('Obj1', [ >> 'prop1' => ..., >> 'prop2' => ..., >> ], >> ]) >> ); >> >> You may also use the approach Peter suggested. As such, I don't think >> introducing a new syntax for it is necessary. >> > > I disagree here. This lets you add dynamic properties accidentally (by > putting too many entries in the array or misspelling a property as a key), > this method does not let IDEs help you with the construction of the array, > or even what's valid for each value in that array and doesn't provide any > language level protection against misspelled properties. Of course, for the > last point, I'm assuming that this idea works like the following: > > class Foo { > public $prop1; > } > > new Foo () { > porp1 = 'foo' // undefined property error of some sort > }; > > >> Best, >> --Matt >> > Still generically solvable in userland with creativity. :) trait ObjectFromArray { public static function fromArray(array $array, ...$params) { $object = new static(...$params); foreach ($array as $k => $v) { if (property_exists($object, $k)) { $object->{$k} = $v; } else { trigger_error('fubar', E_USER_ERROR); } } return $object; } } class SomeObject { use ObjectFromArray; private $foo; } SomeObject::fromArray(['foo' => 'bar', 'bar' => 'foo']); -- Richard "Fleshgrinder" Fussenegger

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