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<?php function &testfunction() { global $testglobal; return ($testglobal=1); } $testglobal_link=&call_user_func_array("testfuncti on",array('testparam-1','testparam-2')); // $testglobal_link must be link to $testglobal at this stage print $testglobal_link; // trying to assign new value to $testglobal thru link $testglobal_link=2; // in theory we will get "2" as result print $testglobal; // but unfortunatly we will have "1" as result print $testglobal_link;
Output for 7.0.0 - 7.1.0
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'testfuncti on' not found or invalid function name in /in/LS0jv on line 10 Notice: Only variables should be assigned by reference in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid argument: function: method 'testfuncti on' not found in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 5.3.0 - 5.6.28
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'testfuncti on' not found or invalid function name in /in/LS0jv on line 10 Strict Standards: Only variables should be assigned by reference in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 5.0.5 - 5.2.17
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Strict Standards: Only variables should be assigned by reference in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 5.0.4
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 5.0.0 - 5.0.3
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 4.4.0 - 4.4.9
Warning: call_user_func_array(): First argumented is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Notice: Only variables should be assigned by reference in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 4.3.2 - 4.3.11
Warning: call_user_func_array(): First argumented is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2
Output for 4.3.0 - 4.3.1
Warning: call_user_func_array() [http://www.php.net/function.call-user-func-array]: First argumented is expected to be a valid callback, 'testfuncti on' was given in /in/LS0jv on line 10 Notice: Undefined variable: testglobal in /in/LS0jv on line 16 2