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run code in 150+ php & hhvm versions
Bugs & Features
<?php $encoding = mb_internal_encoding(); $unicode = '00f0'; $test = mb_convert_encoding( pack('H*', $unicode), $encoding, 'UTF-16BE' ); var_dump(json_encode($test), json_last_error(), JSON_ERROR_NONE);
Output for 5.6.0 - 7.1.0
string(8) ""\u00f0"" int(0) int(0)
Output for 5.5.0 - 5.5.38
bool(false) int(5) int(0)
Output for 5.3.1 - 5.3.13, 5.3.15 - 5.4.45
string(4) "null" int(5) int(0)
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/GmUHp on line 11 bool(false) int(5) int(0)
Output for 5.3.0
string(4) "null" int(0) int(0)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function json_last_error() in /in/GmUHp on line 11
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/GmUHp on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/GmUHp on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/GmUHp on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/GmUHp on line 11