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run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = "\xB1\x31"; $json = json_encode(array(21, 'ok', $text)); $error = json_last_error(); var_dump($json, $error === JSON_ERROR_UTF8);
Output for 5.5.0 - 7.1.0
bool(false) bool(true)
Output for 5.3.3 - 5.3.13, 5.3.15 - 5.4.45
string(14) "[21,"ok",null]" bool(true)
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/5HIQn on line 4 bool(false) bool(true)
Output for 5.3.0 - 5.3.2
Notice: Use of undefined constant JSON_ERROR_UTF8 - assumed 'JSON_ERROR_UTF8' in /in/5HIQn on line 7 string(14) "[21,"ok",null]" bool(false)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function json_last_error() in /in/5HIQn on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/5HIQn on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/5HIQn on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/5HIQn on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/5HIQn on line 4