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run code in 150+ php & hhvm versions
Bugs & Features
<?php function &testfunction() { global $testglobal; return ($testglobal=1); } $testglobal_link=&call_user_func_array("testfunction",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
Notice: Only variable references should be returned by reference in /in/SA7OJ on line 7 112
Output for 5.6.7 - 5.6.28
Notice: Only variable references should be returned by reference in /in/SA7OJ on line 7 Strict Standards: Only variables should be assigned by reference in /in/SA7OJ on line 10 112
Output for 5.0.5 - 5.5.35
Strict Standards: Only variables should be assigned by reference in /in/SA7OJ on line 10 112
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
112
Output for 4.4.0 - 4.4.9
Notice: Only variables should be assigned by reference in /in/SA7OJ on line 10 112