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<?php class A { var $p; } $a = new A; $b = $a; debug_zval_dump($a, $b); var_dump($a === $b); // bool(true) $b->p = 1; debug_zval_dump($a, $b); var_dump($a === $b); // bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(A)#1 (1) refcount(4){ ["p"]=> NULL } object(A)#1 (1) refcount(4){ ["p"]=> NULL } bool(true) object(A)#1 (1) refcount(4){ ["p"]=> int(1) } object(A)#1 (1) refcount(4){ ["p"]=> int(1) } bool(true)
Output for 5.1.3 - 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 - 5.6.25
object(A)#1 (1) refcount(4){ ["p"]=> NULL refcount(2) } object(A)#1 (1) refcount(4){ ["p"]=> NULL refcount(2) } bool(true) object(A)#1 (1) refcount(4){ ["p"]=> long(1) refcount(1) } object(A)#1 (1) refcount(4){ ["p"]=> long(1) refcount(1) } bool(true)
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/b6UcS on line 4 object(A)#1 (1) refcount(4){ ["p"]=> NULL refcount(2) } object(A)#1 (1) refcount(4){ ["p"]=> NULL refcount(2) } bool(true) object(A)#1 (1) refcount(4){ ["p"]=> long(1) refcount(1) } object(A)#1 (1) refcount(4){ ["p"]=> long(1) refcount(1) } bool(true)
Output for 5.1.0
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/b6UcS on line 4 Fatal error: fatal flex scanner internal error--end of buffer missed in /in/b6UcS on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(a)(1) refcount(4){ ["p"]=> NULL refcount(2) } object(a)(1) refcount(4){ ["p"]=> NULL refcount(2) } bool(true) object(a)(1) refcount(2){ ["p"]=> NULL refcount(2) } object(a)(1) refcount(2){ ["p"]=> long(1) refcount(1) } bool(false)
preferences:
258.37 ms | 402 KiB | 353 Q