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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { public function __construct() { $header = null; var_dump(get_class($header), get_class_methods($header), method_exists($header, 'column')); $header->column(); } public function column() { echo 1; } } new Foo;
Output for 7.0.0 - 7.1.0
string(3) "Foo" NULL bool(false) Fatal error: Uncaught Error: Call to a member function column() on null in /in/XgrLO:8 Stack trace: #0 /in/XgrLO(17): Foo->__construct() #1 {main} thrown in /in/XgrLO on line 8
Process exited with code 255.
Output for hhvm-3.12.0
string(3) "Foo" NULL bool(false) Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function column() on a non-object (null)' in /in/XgrLO:8 Stack trace: #0 /in/XgrLO(17): Foo->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.8 - 5.6.28
string(3) "Foo" NULL bool(false) Fatal error: Call to a member function column() on null in /in/XgrLO on line 8
Process exited with code 255.
Output for 5.3.1 - 5.5.35
string(3) "Foo" NULL bool(false) Fatal error: Call to a member function column() on a non-object in /in/XgrLO on line 8
Process exited with code 255.
Output for 5.3.0
Warning: get_class() expects parameter 1 to be object, null given in /in/XgrLO on line 7 bool(false) NULL bool(false) Fatal error: Call to a member function column() on a non-object in /in/XgrLO on line 8
Process exited with code 255.
Output for 5.0.0 - 5.2.17
bool(false) NULL bool(false) Fatal error: Call to a member function column() on a non-object in /in/XgrLO on line 8
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/XgrLO on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XgrLO on line 4
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/XgrLO on line 4
Process exited with code 255.