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<?php class foo { } $foo = new foo(); $foo->bar = 'baz'; $blah = $foo; debug_zval_dump($foo); $blah = 'bazbaz'; debug_zval_dump($foo); debug_zval_dump($blah);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property foo::$bar is deprecated in /in/VCRlk on line 6 object(foo)#1 (1) refcount(3){ ["bar"]=> string(3) "baz" interned } object(foo)#1 (1) refcount(2){ ["bar"]=> string(3) "baz" interned } string(6) "bazbaz" interned
Output for 8.1.0 - 8.1.28
object(foo)#1 (1) refcount(3){ ["bar"]=> string(3) "baz" interned } object(foo)#1 (1) refcount(2){ ["bar"]=> string(3) "baz" interned } string(6) "bazbaz" interned
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
object(foo)#1 (1) refcount(3){ ["bar"]=> string(3) "baz" refcount(1) } object(foo)#1 (1) refcount(2){ ["bar"]=> string(3) "baz" refcount(1) } string(6) "bazbaz" refcount(1)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
object(foo)#1 (1) refcount(3){ ["bar"]=> string(3) "baz" refcount(1) } object(foo)#1 (1) refcount(2){ ["bar"]=> string(3) "baz" refcount(1) } string(6) "bazbaz" refcount(2)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(foo)(1) refcount(3){ ["bar"]=> string(3) "baz" refcount(1) } object(foo)(1) refcount(2){ ["bar"]=> string(3) "baz" refcount(1) } string(6) "bazbaz" refcount(2)

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267.23 ms | 402 KiB | 460 Q