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), 'Active' => 1 ); $J = json_encode($User); foreach ($J as &$val) { $val = preg_replace_callback('/\\\\u([0-9a-f]{4})/i', function($matches) { return mb_convert_encoding(pack('H*', $matches[1]), 'UTF-8', 'UTF-16'); }, $val); } echo $J;
based on 1PEeE
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Invalid argument supplied for foreach() in /in/skmaT on line 7 {"Name":"Hans-Peter\u00b5\u00b5","Contacts":[1,2,3,4,5,6,7,42],"Active":1}
Output for hhvm-3.10.0 - 3.12.0
{"Name":"Hans-Peter\u00b5\u00b5","Contacts":[1,2,3,4,5,6,7,42],"Active":1}
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/skmaT on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/skmaT on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/skmaT on line 7
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 '$' in /in/skmaT on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/skmaT on line 7
Process exited with code 255.