- var_dump: documentation ( source)
- json_decode: documentation ( source)
<?php
$schema = <<<'HERE'
{
"properties": {
"foo": {"$ref": "#"}
},
"additionalProperties": false
}
HERE;
$schema = json_decode($schema);
// unset the ref
unset($schema->properties->foo);
// replace it with a closure that returns the schema when accessed.
$schema->properties->foo = function () use ($schema) { return $schema; };
// If you find a closure, it's a lazy proxy. Execute it to get the value.
$ref = $schema->properties->foo;
$referencedValue = $ref();
// You would stop recursing if 1.) you run out of nested data or 2.) you reach the max depth.
var_dump($referencedValue->properties);