3v4l.org

run code in 300+ PHP versions simultaneously
<?php $User = array( 'Name' => "Hans-Peterµµ", 'Contacts' => array(1, 2, 3, 4, 5, 6, 7, 42), 'Active' => 1 ); $J = json_encode(array_utf8_encode($User)); echo $J; function array_utf8_encode($Array) { foreach($Array as &$Val) { if(is_array($Val)) { $Val = array_utf8_encode($Val); } elseif(is_string($Val)) { $Val = mb_convert_encoding($Val, 'UTF-8', 'HTML-ENTITIES'); } } return $Array; }
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
{"Name":"Hans-Peter\u00c2\u00b5\u00c2\u00b5","Contacts":[1,2,3,4,5,6,7,42],"Active":1}
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/lBZnm on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/lBZnm on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/lBZnm on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/lBZnm on line 15
Process exited with code 255.
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253.69 ms | 401 KiB | 414 Q