3v4l.org

run code in 300+ PHP versions simultaneously
<?php function stringFactory($len){ return "feed SET status_msg = '".str_repeat('a', $len)."\n[...]' WHERE feedname = 'some'"; } function stringCheck($len){ $str = stringFactory($len); var_dump(strlen($str)); $str = preg_replace("/'(?:[^'\\\\]|\\\\.)*'/", '?', $str); var_dump($str); echo PHP_EOL; } stringCheck(5); stringCheck(50); stringCheck(500); stringCheck(5000); stringCheck(50000); stringCheck(500000);

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)
8.5.30.0130.00620.61
8.5.20.0140.00919.14
8.5.10.0080.00918.89
8.5.00.0200.00817.80
8.4.180.0180.01220.88
8.4.170.0110.01225.10
8.4.160.0130.01124.37
8.4.150.0260.01720.87
8.4.140.0400.00718.96
8.4.130.0370.00718.91
8.4.120.0340.01319.03
8.4.110.0400.01418.86
8.4.100.0440.01119.04
8.4.90.0410.01019.03
8.4.80.0400.01018.97
8.4.70.0400.00719.05
8.4.60.0360.01319.06
8.4.50.0380.01119.04
8.4.40.0380.01118.95
8.4.30.0390.00918.75
8.4.20.0370.01318.94
8.4.10.0430.00718.88
8.3.300.0110.01122.05
8.3.290.0140.00721.79
8.3.280.0340.00819.69
8.3.270.0390.00517.97
8.3.260.0370.00817.91
8.3.250.0350.01017.94
8.3.240.0390.00817.92
8.3.230.0350.00917.78
8.3.220.0390.00717.98
8.3.210.0370.00917.87
8.3.200.0340.01217.93
8.3.190.0350.01017.77
8.3.180.0340.01117.93
8.3.170.0370.01217.65
8.3.160.0430.00717.79
8.3.150.0490.01017.95
8.3.140.0450.00717.93
8.3.130.0360.01017.76
8.3.120.0330.01017.89
8.3.110.0310.01117.79
8.3.100.0410.00717.78
8.3.90.0420.00717.92
8.3.80.0410.00717.70
8.3.70.0410.00717.77
8.3.60.0400.00817.71
8.3.50.0390.00917.66
8.3.40.0380.00819.34
8.3.30.0280.00919.22
8.3.20.0290.01019.17
8.3.10.0310.01019.02
8.3.00.0180.01119.29
8.2.300.0120.01119.37
8.2.290.0340.00417.61
8.2.280.0300.01017.80
8.2.270.0350.00617.73
8.2.260.0310.00917.61
8.2.250.0340.00817.88
8.2.240.0380.00717.66
8.2.230.0310.00917.62
8.2.220.0330.00917.69
8.2.210.0300.01017.59
8.2.200.0280.01217.60
8.2.190.0290.01017.89
8.2.180.0280.01017.75
8.2.170.0320.00919.32
8.2.160.0320.00519.34
8.2.150.0350.00919.07
8.2.140.0360.00619.09
8.2.130.0300.00919.21
8.2.120.0290.01219.11
8.2.110.0330.00519.28
8.2.100.0280.01019.05
8.2.90.0320.01019.04
8.2.80.0290.01019.05
8.2.70.0300.00719.02
8.2.60.0320.00818.98
8.2.50.0300.00819.09
8.2.40.0290.00919.08
8.2.30.0290.01018.93
8.2.20.0290.00919.09
8.2.10.0310.00718.99
8.2.00.0290.00819.00
8.1.340.0120.00918.73

preferences:
29.63 ms | 403 KiB | 5 Q