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<?php $test = '1234'; try{ $testcopy = $test; $testcopy = str_replace( '1' ); $test = $testcopy; }catch(Exception $e){ unset($e); } var_dump ($test);
Output for 5.6.30, hhvm-3.15.4 - 3.21.3, 7.0.0 - 7.2.9
Warning: str_replace() expects at least 3 parameters, 1 given in /in/Ns6uj on line 5 NULL
Output for hhvm-3.22.0
Warning: str_replace() expects at least 3 parameters, 1 given in /in/Ns6uj on line -1 NULL