3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php //echo count(str_split(json_decode('" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000"'))); echo strlen(json_decode('"\u2002\u2003\u2004\u2005\u2006"'));
based on IlsV1
Output for 5.2.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
15
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.1
30
Output for 5.2.0
0
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/PUqtf on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/PUqtf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/PUqtf on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/PUqtf on line 3