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run code in 150+ php & hhvm versions
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<?php class Test { public static $transport = array(); public function do_stuff() { $test = self::get_transport(); return $test->do_stuff(); } protected static function get_transport(){ $tests = array( 'Test_this', 'Test_that' ); foreach( $tests as $class ) { $result = call_user_func(array($class, 'test')); if ($result) { self::$transport[] = $class; break; } } return new self::$transport[0](); } } class Test_this { public function do_stuff(){ return "this"; } public static function test(){ return false; } } class Test_that { public function do_stuff(){ return "that"; } public static function test(){ return true; } } $a = new Test; var_dump( $a->do_stuff() );
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(4) "that"
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/UeFGd 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/UeFGd 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/UeFGd on line 4
Process exited with code 255.