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<?php $test = array ( 0 => array ( ) ); mb_convert_variables('utf-8', 'cp1251', $test); var_dump($test); mb_convert_variables('utf-8', 'utf-8', $test); var_dump($test);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.26, 7.0.0 - 7.0.11, 7.3.0 - 7.3.24, 7.4.0 - 7.4.13, 8.0.0
array(1) { [0]=> array(0) { } } array(1) { [0]=> array(0) { } }
Output for 7.0.12 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
array(1) { [0]=> array(0) { } } array(1) { [0]=> *RECURSION* }
Output for 5.6.27 - 5.6.38
array(1) { [0]=> *RECURSION* } Warning: mb_convert_variables(): Cannot handle recursive references in /in/LK5DY on line 12 array(1) { [0]=> *RECURSION* }