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run code in 150+ php & hhvm versions
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<?php $a = function(){echo 'hi';}; $a = (array) $a; var_dump($a); var_export($a); print_r($a); echo json_encode($a);
Output for 5.3.3 - 5.6.28, 7.0.0 - 7.1.0
array(1) { [0]=> object(Closure)#1 (0) { } } array ( 0 => Closure::__set_state(array( )), )Array ( [0] => Closure Object ( ) ) [{}]
Output for hhvm-3.12.0
array(1) { [0]=> object(Closure$;43826574$980c88263e981d34246e9761aefad03$)#1 (0) { } } array ( 0 => 'Closure$;43826574$980c88263e981d34246e9761aefad03$', )Array ( [0] => Closure$;43826574$980c88263e981d34246e9761aefad03$ Object ( ) ) [{}]
Output for hhvm-3.10.0
array(1) { [0]=> object(Closure$;43826574$7bd08a37d0df3cf4cdf564081e1ff19a$)#1 (0) { } } array ( 0 => 'Closure$;43826574$7bd08a37d0df3cf4cdf564081e1ff19a$', )Array ( [0] => Closure$;43826574$7bd08a37d0df3cf4cdf564081e1ff19a$ Object ( ) ) [{}]
Output for 5.3.0 - 5.3.2
array(0) { } array ( )Array ( ) []
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/tngt0 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/tngt0 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tngt0 on line 3
Process exited with code 255.