3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set("precision", 30); var_dump(round(-1)); var_dump(+round(-1)); var_dump(round(-1e-99)); var_dump(+round(-1e-99)); var_dump(-round(-1e-99));

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)
8.3.70.0150.00318.43
8.3.60.0100.01016.88
8.3.50.0130.00821.97
8.3.40.0040.01118.92
8.3.30.0110.00418.92
8.3.20.0030.00620.53
8.3.10.0040.00423.65
8.3.00.0050.00517.63
8.2.190.0060.01518.41
8.2.180.0070.00716.88
8.2.170.0070.00722.96
8.2.160.0040.01122.36
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00017.75
8.2.110.0040.00722.50
8.2.100.0090.00318.15
8.2.90.0040.00419.34
8.2.80.0030.00517.97
8.2.70.0050.00317.75
8.2.60.0040.00418.16
8.2.50.0000.00918.07
8.2.40.0040.00421.44
8.2.30.0070.00020.88
8.2.20.0000.00717.70
8.2.10.0040.00418.26
8.2.00.0030.00318.13
8.1.280.0070.01025.92
8.1.270.0050.00523.95
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.00022.64
8.1.230.0070.00417.66
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0080.00017.48
8.1.190.0000.00817.22
8.1.180.0000.00818.10
8.1.170.0040.00419.21
8.1.160.0070.00022.03
8.1.150.0080.00318.90
8.1.140.0000.00719.62
8.1.130.0050.00217.82
8.1.120.0050.00317.61
8.1.110.0040.00417.53
8.1.100.0000.00717.52
8.1.90.0000.00817.52
8.1.80.0000.00717.46
8.1.70.0000.00717.50
8.1.60.0080.00017.69
8.1.50.0030.00517.50
8.1.40.0000.00817.63
8.1.30.0030.00617.57
8.1.20.0030.00617.56
8.1.10.0040.00417.66
8.1.00.0040.00417.45
8.0.300.0080.00018.77
8.0.290.0030.00616.88
8.0.280.0030.00318.55
8.0.270.0070.00017.40
8.0.260.0030.00317.43
8.0.250.0040.00417.11
8.0.240.0000.00617.09
8.0.230.0070.00017.05
8.0.220.0030.00316.98
8.0.210.0000.00716.88
8.0.200.0050.00316.92
8.0.190.0000.00717.05
8.0.180.0040.00416.96
8.0.170.0000.00716.87
8.0.160.0050.00316.87
8.0.150.0050.00316.85
8.0.140.0000.00816.85
8.0.130.0060.00013.36
8.0.120.0080.00016.93
8.0.110.0070.00017.02
8.0.100.0070.00017.01
8.0.90.0000.00716.83
8.0.80.0100.01316.93
8.0.70.0030.00516.84
8.0.60.0040.00417.08
8.0.50.0030.00517.00
8.0.30.0110.00817.03
8.0.20.0120.01017.40
8.0.10.0050.00316.92
8.0.00.0130.00416.88
7.4.330.0030.00315.14
7.4.320.0000.00616.62
7.4.300.0030.00316.71
7.4.290.0000.00716.57
7.4.280.0050.00616.58
7.4.270.0030.00316.72
7.4.260.0050.00216.56
7.4.250.0040.00416.52
7.4.240.0060.00116.60
7.4.230.0070.00016.66
7.4.220.0120.00616.68
7.4.210.0120.00716.61
7.4.200.0030.00316.57
7.4.160.0100.00716.38
7.4.150.0090.00917.40
7.4.140.0070.01117.86
7.4.130.0100.00616.56
7.4.120.0100.00716.48
7.4.110.0100.00716.49
7.4.100.0120.00616.55
7.4.90.0080.00816.58
7.4.80.0170.00019.39
7.4.70.0130.00316.73
7.4.60.0100.00616.69
7.4.50.0040.00416.60
7.4.40.0060.01016.71
7.4.30.0110.00616.48
7.4.00.0080.01115.14
7.3.330.0000.00513.13
7.3.320.0000.00513.31
7.3.310.0040.00416.43
7.3.300.0000.00716.45
7.3.290.0000.00716.30
7.3.280.0090.01116.38
7.3.270.0030.01517.40
7.3.260.0070.01016.46
7.3.250.0090.00816.41
7.3.240.0110.00916.51
7.3.230.0140.00616.50
7.3.210.0120.00616.50
7.3.200.0100.00616.66
7.3.190.0130.00316.67
7.3.180.0120.00816.49
7.3.170.0140.00316.60
7.3.160.0090.00616.64
7.3.120.0030.01015.10
7.3.110.0050.01015.21
7.3.100.0070.01014.98
7.3.90.0060.00615.05
7.3.80.0050.00615.02
7.3.70.0050.00615.08
7.3.60.0030.00914.99
7.3.50.0030.00615.07
7.3.40.0060.00615.08
7.3.30.0110.00414.96
7.3.20.0080.00416.81
7.3.10.0080.01016.86
7.3.00.0060.00716.69
7.2.330.0090.00916.45
7.2.320.0120.00616.77
7.2.310.0000.02016.58
7.2.300.0070.01016.62
7.2.290.0080.01616.74
7.2.250.0040.01515.40
7.2.240.0060.00815.06
7.2.230.0090.00515.35
7.2.220.0060.00715.20
7.2.210.0060.00815.13
7.2.200.0040.00715.05
7.2.190.0080.00615.09
7.2.180.0070.00815.23
7.2.170.0090.00615.23
7.2.160.0030.00915.08
7.2.150.0060.01017.23
7.2.140.0040.00817.18
7.2.130.0040.01517.04
7.2.120.0090.00617.01
7.2.110.0040.00916.83
7.2.100.0030.01416.85
7.2.90.0050.00517.00
7.2.80.0070.00617.11
7.2.70.0030.01317.09
7.2.60.0050.01017.07
7.2.50.0090.00916.98
7.2.40.0060.00916.97
7.2.30.0060.01217.06
7.2.20.0060.00616.76
7.2.10.0130.00316.97
7.2.00.0060.00818.43
7.1.330.0080.00615.99
7.1.320.0040.00915.97
7.1.310.0060.00716.05
7.1.300.0070.00515.89
7.1.290.0070.00916.11
7.1.280.0060.00615.90
7.1.270.0060.00916.02
7.1.260.0070.00715.99
7.1.250.0070.01015.76
7.1.200.0040.00816.00
7.1.100.0080.00518.54
7.1.70.0000.01217.36
7.1.60.0040.02519.43
7.1.50.0070.01417.30
7.1.00.0070.07322.75
7.0.200.0300.00415.16
7.0.60.0170.03020.19
7.0.50.0130.07318.06
7.0.40.0070.08020.21
7.0.30.0270.07720.21
7.0.20.0230.08020.34
7.0.10.0100.08720.58
7.0.00.0100.06320.29
5.6.280.0130.04321.16
5.6.210.0170.05020.90
5.6.200.0070.08718.36
5.6.190.0200.07720.70
5.6.180.3700.04320.82
5.6.170.0300.06020.72
5.6.160.0070.07320.71
5.6.150.0100.06318.37
5.6.140.0130.06718.41
5.6.130.0070.04018.37
5.6.120.0030.07321.33
5.6.110.0130.05721.31
5.6.100.0070.08321.34
5.6.90.0100.04021.39
5.6.80.0130.07020.66
5.5.350.0270.07320.58
5.5.340.0100.07718.19
5.5.330.0100.07720.54
5.5.320.0300.04320.40
5.5.310.0200.06020.73
5.5.300.0030.07718.27
5.5.290.0030.09018.26
5.5.280.0070.09021.13
5.5.270.0200.07021.13
5.5.260.0030.08320.96
5.5.250.0070.04720.75
5.5.240.0200.07320.53
5.4.450.0200.07719.60
5.4.440.0230.06319.89
5.4.430.0270.06319.82
5.4.420.0430.05319.66
5.4.410.0270.04719.30
5.4.400.0230.07719.48
5.4.390.0400.06319.33
5.4.380.0400.05719.45
5.4.370.0300.07319.25
5.4.360.0270.04719.11
5.4.350.0230.04719.49
5.4.340.0400.06719.34
5.4.320.0270.07319.47
5.4.310.0330.04719.04
5.4.300.0270.03319.35
5.4.290.0300.06319.46
5.4.280.0270.06019.45
5.4.270.0330.07019.46
5.4.260.0300.05019.34
5.4.250.0270.05319.12
5.4.240.0400.05019.17
5.4.230.0430.06719.26
5.4.220.0300.03319.33
5.4.210.0300.07319.32
5.4.200.0330.06719.34
5.4.190.0500.06319.09
5.4.180.0200.08319.41
5.4.170.0230.05019.32
5.4.160.0270.06319.46
5.4.150.0370.07319.49
5.4.140.0270.03716.69
5.4.130.0230.05316.68
5.4.120.0570.04716.73
5.4.110.0370.05716.73
5.4.100.0270.05316.73
5.4.90.0400.05016.50

preferences:
54.96 ms | 401 KiB | 5 Q