3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $User = array( 'Name' => "Hans-Peterµµ", 'Contacts' => array(1, 2, 3, 4, 5, 6, 7, 42), 'Seen' => array(array('UserID' => 2, 'Timestamp' => 5046), array('UserID' => 3, 'Timestamp' => 789456)), 'Active' => 1 ); $J = json_encode(array_utf8_encode($User)); var_dump($J);die(); function array_utf8_encode($Array) { foreach($Array as &$Val) { if(is_array($Val)) { $Val = array_utf8_encode($Val); } elseif(is_string($Val)) { $Val = mb_convert_encoding(htmlentities($Val), 'UTF-8'); } } return $Array; }
based on 3QoKs
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(147) "{"Name":"Hans-Peter&micro;&micro;","Contacts":[1,2,3,4,5,6,7,42],"Seen":[{"UserID":2,"Timestamp":5046},{"UserID":3,"Timestamp":789456}],"Active":1}"
Output for 5.2.0 - 5.3.29
string(161) "{"Name":"Hans-Peter&Acirc;&micro;&Acirc;&micro;","Contacts":[1,2,3,4,5,6,7,42],"Seen":[{"UserID":2,"Timestamp":5046},{"UserID":3,"Timestamp":789456}],"Active":1}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/MFXVh on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/MFXVh on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/MFXVh on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/MFXVh on line 14
Process exited with code 255.