3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = '' or null; var_dump($t);

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)
8.3.60.0120.00918.55
8.3.50.0070.00716.59
8.3.40.0100.01018.63
8.3.30.0120.00318.59
8.3.20.0080.00020.35
8.3.10.0080.00023.66
8.3.00.0080.00021.98
8.2.180.0200.00016.88
8.2.170.0100.00622.96
8.2.160.0100.00319.03
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00020.93
8.2.120.0000.00726.35
8.2.110.0040.00422.21
8.2.100.0060.00617.91
8.2.90.0050.00319.17
8.2.80.0000.00917.97
8.2.70.0000.00817.63
8.2.60.0050.00217.93
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0040.00419.18
8.2.20.0000.00717.95
8.2.10.0000.00718.02
8.2.00.0070.00017.92
8.1.270.0030.00522.19
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0060.00322.75
8.1.230.0110.00017.77
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0000.00817.35
8.1.190.0040.00417.36
8.1.180.0000.00718.10
8.1.170.0040.00418.91
8.1.160.0030.00318.87
8.1.150.0040.00418.87
8.1.140.0000.00819.48
8.1.130.0000.00718.86
8.1.120.0040.00417.36
8.1.110.0040.00417.37
8.1.100.0040.00417.32
8.1.90.0000.00817.47
8.1.80.0040.00417.40
8.1.70.0000.00717.35
8.1.60.0080.00017.50
8.1.50.0000.00817.54
8.1.40.0060.00317.40
8.1.30.0050.00217.65
8.1.20.0060.00317.57
8.1.10.0000.00817.41
8.1.00.0000.00717.38
8.0.300.0070.00018.77
8.0.290.0000.00916.75
8.0.280.0030.00318.54
8.0.270.0000.00717.16
8.0.260.0030.00316.83
8.0.250.0030.00316.91
8.0.240.0000.00816.84
8.0.230.0030.00317.04
8.0.220.0030.00316.82
8.0.210.0050.00316.98
8.0.200.0030.00317.04
8.0.190.0080.00016.94
8.0.180.0080.00216.90
8.0.170.0080.00016.96
8.0.160.0030.00316.84
8.0.150.0040.00416.74
8.0.140.0000.00716.92
8.0.130.0040.00413.41
8.0.120.0080.00016.96
8.0.110.0030.00516.93
8.0.100.0070.00016.99
8.0.90.0040.00416.90
8.0.80.0040.01216.90
8.0.70.0040.00416.90
8.0.60.0040.00416.88
8.0.50.0080.00016.77
8.0.30.0100.00717.11
8.0.20.0110.00817.40
8.0.10.0080.00016.95
8.0.00.0120.00616.70
7.4.330.0030.00315.55
7.4.320.0030.00316.59
7.4.300.0060.00016.48
7.4.290.0070.00016.39
7.4.280.0000.00816.49
7.4.270.0060.00016.45
7.4.260.0000.00716.61
7.4.250.0040.00416.38
7.4.240.0000.00716.63
7.4.230.0000.00716.54
7.4.220.0110.00616.61
7.4.210.0100.00316.63
7.4.200.0070.00016.67
7.4.160.0050.01116.41
7.4.150.0170.00017.40
7.4.140.0090.01117.86
7.4.130.0080.00916.41
7.4.120.0120.00516.42
7.3.330.0000.00812.94
7.3.320.0000.00512.93
7.3.310.0000.00716.27
7.3.300.0040.00416.18
7.3.290.0070.00716.21
7.3.280.0080.00916.19
7.3.270.0070.01117.40
7.3.260.0160.02016.46
7.3.250.0120.00716.33
7.3.240.0090.00816.13

preferences:
56.62 ms | 400 KiB | 5 Q