3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = true; $b !!= $a;

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)
8.4.10.0310.01317.59
8.3.140.0310.01616.77
8.3.130.0310.01216.73
8.3.120.0450.00616.31
8.3.110.0420.00316.20
8.3.100.0320.01416.47
8.3.90.0390.00716.54
8.3.80.0390.00816.71
8.3.70.0430.00416.35
8.3.60.0240.00716.50
8.3.50.0350.00716.37
8.3.40.0190.00819.12
8.3.30.0190.01021.08
8.3.20.0250.01417.53
8.3.10.0200.01017.59
8.3.00.0190.00317.59
8.2.260.0340.00616.48
8.2.250.0300.01016.27
8.2.240.0340.00616.47
8.2.230.0330.00716.44
8.2.220.0270.01116.36
8.2.210.0320.00616.28
8.2.200.0340.00516.55
8.2.190.0270.01116.67
8.2.180.0330.00716.60
8.2.170.0420.00617.84
8.2.160.0310.00717.57
8.2.150.0390.00317.52
8.2.140.0290.01317.29
8.2.130.0340.00717.34
8.2.120.0290.00417.49
8.2.110.0270.01217.25
8.2.100.0320.01117.25
8.2.90.0410.00317.18
8.2.80.0200.02017.59
8.2.70.0330.00717.41
8.2.60.0300.01117.26
8.2.50.0300.01017.32
8.2.40.0110.00918.06
8.2.30.0280.01217.10
8.2.20.0230.01417.30
8.2.10.0330.00317.35
8.2.00.0310.00317.21
8.1.310.0230.00416.04
8.1.300.0190.00315.91
8.1.290.0150.01115.95
8.1.280.0210.01316.07
8.1.270.0170.00317.10
8.1.260.0230.01617.11
8.1.250.0330.00717.04
8.1.240.0250.01117.08
8.1.230.0280.00717.15
8.1.220.0180.01817.31
8.1.210.0270.00916.90
8.1.200.0280.00317.10
8.1.190.0120.01916.97
8.1.180.0280.00716.86
8.1.170.0240.00716.97
8.1.160.0240.00616.93
8.1.150.0290.00617.14
8.1.140.0260.00417.13
8.1.130.0290.01017.03
8.1.120.0350.00317.32
8.1.110.0220.00617.10
8.1.100.0230.00817.17
8.1.90.0220.00617.11
8.1.80.0200.01517.26
8.1.70.0300.00417.07
8.1.60.0350.00317.02
8.1.50.0310.00717.19
8.1.40.0340.00517.32
8.1.30.0310.00817.24
8.1.20.0250.01117.10
8.1.10.0090.00717.26
8.1.00.0110.00517.22
8.0.300.0270.00417.10
8.0.290.0310.00616.64
8.0.280.0310.00316.57
8.0.270.0240.01016.59
8.0.260.0190.01516.53
8.0.250.0340.00016.52
8.0.240.0270.00716.72
8.0.230.0170.01416.52
8.0.220.0300.00416.45
8.0.210.0280.00616.37
8.0.200.0200.01416.52
8.0.190.0220.00716.68
8.0.180.0320.00616.66
8.0.170.0260.00616.40
8.0.160.0140.00316.42
8.0.150.0160.00016.75
8.0.140.0060.00616.65
8.0.130.0080.00716.78
8.0.120.0100.00416.67
8.0.110.0080.00616.72
8.0.100.0090.00516.64
8.0.90.0100.00416.73
8.0.80.0110.00316.72
8.0.70.0100.00516.76
8.0.60.0110.00316.73
8.0.50.0100.00416.82
8.0.30.0090.00416.70
8.0.20.0080.00616.78
8.0.10.0070.00816.75
7.4.330.0210.00616.67
7.4.320.0270.00716.13
7.4.300.0290.00616.18
7.4.290.0270.00916.16
7.4.280.0280.01715.93
7.4.270.0100.00416.25
7.4.260.0090.00516.29
7.4.250.0110.00216.26
7.4.240.0090.00416.35
7.4.230.0100.00416.23
7.4.220.0070.00616.28
7.4.210.0100.00416.26
7.4.200.0070.00616.33
7.4.190.0080.00516.35
7.4.180.0070.00616.35
7.4.160.0090.00516.31
7.4.150.0090.00416.20
7.4.140.0090.00416.15
7.4.130.0080.00516.14
7.4.120.0110.00416.09
7.4.110.0120.00216.18
7.4.100.0100.00416.22
7.4.90.0090.00516.11
7.4.80.0100.00316.02
7.4.70.0070.00616.17
7.4.60.0080.00516.10
7.4.50.0070.00616.03
7.4.40.0070.00616.04
7.4.30.0080.00516.07
7.4.20.0080.00516.12
7.4.10.0100.00316.12
7.4.00.0080.00616.10

preferences:
134.22 ms | 995 KiB | 7 Q