From 2fd038f7c9d12d468130c6e1b3ce06e4160a7dbb Mon Sep 17 00:00:00 2001 From: Benjamin Morel Date: Fri, 1 Sep 2023 23:10:07 +0200 Subject: [PATCH] Remove outdated PHP < 7.3 docs --- README.md | 57 ------------------------------------------------------- 1 file changed, 57 deletions(-) diff --git a/README.md b/README.md index 69daeb9..9d162b6 100644 --- a/README.md +++ b/README.md @@ -97,63 +97,6 @@ array ( Note: unlike `var_export()`, `export()` always returns the exported variable, and never outputs it. -## Exporting stdClass objects - -You come across a `stdClass` object every time you cast an array to an object, or use `json_decode()` with the second argument set to `false` (which is the default). - -While the output of `var_export()` for `stdClass` is syntactically valid PHP code: - -```php -var_export(json_decode(' - { - "foo": "bar", - "baz": { - "hello": "world" - } - } -')); -``` - -```php -stdClass::__set_state(array( - 'foo' => 'bar', - 'baz' => - stdClass::__set_state(array( - 'hello' => 'world', - )), -)) -``` - -it is totally useless as it assumes that `stdClass` has a static `__set_state()` method, when it doesn't: - -> Error: Call to undefined method stdClass::__set_state() - -### What does `VarExporter` do instead? - -It outputs an array to object cast, which is syntactically valid, readable **and** executable: - -```php -echo VarExporter::export(json_decode(' - { - "foo": "bar", - "baz": { - "hello": "world" - } - } -')); -``` - -```php -(object) [ - 'foo' => 'bar', - 'baz' => (object) [ - 'hello' => 'world' - ] -] -``` - -**Note: since PHP 7.3, `var_export()` now exports an array to object cast like `VarExporter::export()` does.** - ## Exporting custom objects As we've seen above, `var_export()` assumes that every object has a static [__set_state()](https://www.php.net/manual/en/language.oop5.magic.php#object.set-state) method that takes an associative array of property names to values, and returns a object.