3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $baz = 42; function __debugInfo(){ return ['nope']; } } var_dump(new Foo); debug_zval_dump(new Foo);
Output for 5.6.0 - 5.6.40, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(Foo)#1 (1) { [0]=> string(4) "nope" } object(Foo)#1 (1) refcount(1){ [0]=> string(4) "nope" refcount(1) }
Output for 7.0.0 - 7.0.33
object(Foo)#1 (1) { [0]=> string(4) "nope" } object(Foo)#1 (1) refcount(1){ [0]=> string(4) "nope" refcount(2) }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
object(Foo)#1 (1) { ["baz":"Foo":private]=> int(42) } object(Foo)#1 (1) refcount(1){ ["baz":"Foo":private]=> long(42) refcount(2) }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/OoJkC on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/OoJkC on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/OoJkC on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/OoJkC on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/OoJkC on line 5
Process exited with code 255.

preferences:
151.26 ms | 415 KiB | 5 Q