3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(http_parse_headers('HTTP/1.1 304 Not Modified Server: nginx Date: Thu, 19 Nov 2015 14:50:12 GMT Set-Cookie: _ga=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0 _gat=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0 Strict-Transport-Security: max-age=31536000 content-security-policy-report-only: default-src 'none'; script-src 'self' cdn.jsdelivr.net www.google-analytics.com blob: 'unsafe-inline'; child-src 'self' cdn.jsdelivr.net blob:; connect-src 'self'; img-src 'self' www.google-analytics.com data:; style-src 'self' 'unsafe-inline'; frame-src 'self' cdn.jsdelivr.net blob:; report-uri /cspReport Cache-Control: public Last-Modified: Thu, 19 Nov 2015 14:50:12 GMT Expires: Thu, 19 Nov 2015 14:50:57 GMT X-Firefox-Spdy: 3.1 '));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.6.150.0100.04318.23
5.6.140.0100.07318.18
5.6.130.0030.08318.14
5.6.120.0070.05321.14
5.6.110.0100.08021.01
5.6.100.0070.07721.11
5.6.90.0100.08021.09
5.6.80.0100.07320.36
5.5.300.0170.05018.04
5.5.290.0100.06718.08
5.5.280.0200.07320.89
5.5.270.0100.08020.67
5.5.260.0030.06320.87
5.5.250.0070.08320.66
5.5.240.4270.03320.15

preferences:
138.24 ms | 1394 KiB | 7 Q