3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ''; if (isset($foo)) print 'hello';

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)
8.3.60.0040.01118.31
8.3.50.0090.01122.05
8.3.40.0210.00018.48
8.3.30.0100.00318.59
8.3.20.0080.00018.79
8.3.10.0080.00021.13
8.3.00.0040.00423.41
8.2.180.0070.01018.07
8.2.170.0000.01422.96
8.2.160.0060.01320.43
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0140.00021.12
8.2.110.0060.00320.26
8.2.100.0070.00417.91
8.2.90.0040.00419.22
8.2.80.0000.00917.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0080.00318.07
8.2.40.0040.00418.04
8.2.30.0000.00821.09
8.2.20.0040.00417.55
8.2.10.0000.00717.48
8.2.00.0070.00317.67
8.1.280.0110.00325.92
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0070.00321.00
8.1.220.0050.00318.77
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0000.00817.41
8.1.180.0000.00918.10
8.1.170.0000.00718.72
8.1.160.0000.00718.84
8.1.150.0040.00418.60
8.1.140.0040.00417.28
8.1.130.0080.00017.73
8.1.120.0060.00317.39
8.1.110.0040.00417.39
8.1.100.0060.00317.38
8.1.90.0040.00417.37
8.1.80.0040.00417.33
8.1.70.0040.00417.36
8.1.60.0060.00317.49
8.1.50.0030.00517.22
8.1.40.0080.00017.47
8.1.30.0040.00417.54
8.1.20.0080.00017.45
8.1.10.0000.00717.50
8.1.00.0040.00817.47
8.0.300.0000.00719.97
8.0.290.0000.00817.30
8.0.280.0030.00318.47
8.0.270.0000.00717.24
8.0.260.0030.00316.79
8.0.250.0080.00016.80
8.0.240.0100.00016.86
8.0.230.0030.00616.74
8.0.220.0040.00416.72
8.0.210.0040.00416.74
8.0.200.0000.00716.77
8.0.190.0000.00816.86
8.0.180.0080.00016.72
8.0.170.0080.00016.74
8.0.160.0030.00516.89
8.0.150.0050.00316.79
8.0.140.0000.00916.68
8.0.130.0000.00513.29
8.0.120.0040.00416.78
8.0.110.0000.00716.84
8.0.100.0070.00016.81
8.0.90.0000.00716.70
8.0.80.0090.00616.81
8.0.70.0030.00516.80
8.0.60.0040.00416.79
8.0.50.0040.00416.64
8.0.30.0110.00717.09
8.0.20.0080.01117.40
8.0.10.0040.00416.96
8.0.00.0110.00616.60
7.4.330.0050.00016.75
7.4.320.0070.00016.36
7.4.300.0000.00716.53
7.4.290.0000.00716.49
7.4.280.0040.00416.37
7.4.270.0060.00016.45
7.4.260.0000.00613.12
7.4.250.0050.00316.44
7.4.240.0000.00816.52
7.4.230.0030.00316.45
7.4.220.0000.01716.43
7.4.210.0030.01116.53
7.4.200.0070.00016.60
7.4.190.0000.00716.40
7.4.160.0120.00316.22
7.4.150.0040.01517.40
7.4.140.0090.00817.86
7.4.130.0120.00716.53
7.4.120.0060.01216.24
7.4.110.0100.00716.48
7.4.100.0120.00416.47
7.4.90.0110.00716.35
7.4.80.0040.01219.39
7.4.70.0060.01216.44
7.4.60.0090.00616.32
7.4.50.0030.00616.14
7.4.40.0040.00722.77
7.4.30.0090.01316.46
7.4.00.0080.00614.73
7.3.330.0030.00313.06
7.3.320.0000.00513.05
7.3.310.0000.00716.14
7.3.300.0090.00016.02
7.3.290.0060.01316.09
7.3.280.0120.00716.17
7.3.270.0040.01517.40
7.3.260.0120.01018.24
7.3.250.0050.01216.44
7.3.240.0130.00316.45
7.3.230.0070.01316.42
7.3.210.0060.01016.44
7.3.200.0090.00619.39
7.3.190.0070.01016.35
7.3.180.0060.00916.38
7.3.170.0090.00916.27
7.3.160.0030.01316.20
7.3.120.0030.01314.69
7.3.10.0160.00016.43
7.3.00.0060.00916.28
7.2.330.0030.01516.27
7.2.320.0030.01316.20
7.2.310.0060.01216.40
7.2.300.0120.00916.55
7.2.290.0090.00916.43
7.2.130.0030.00916.86
7.2.120.0110.00716.58
7.2.110.0070.01116.75
7.2.100.0070.00716.68
7.2.90.0000.01016.78
7.2.80.0070.00716.79
7.2.70.0040.00716.77
7.2.60.0030.00816.94
7.2.50.0100.00716.49
7.2.40.0060.00316.60
7.2.30.0060.00616.57
7.2.20.0030.01316.55
7.2.10.0030.00916.83
7.2.00.0000.01316.81
7.1.250.0030.00815.73
7.1.200.0060.00615.69
7.1.100.0040.01117.85
7.1.70.0040.00416.72
7.1.60.0000.02419.17
7.1.50.0100.01416.74
7.1.00.0000.06322.40
7.0.200.0030.00316.75
7.0.140.0100.06721.96
7.0.100.0070.08719.92
7.0.90.0100.06319.95
7.0.80.0070.05319.90
7.0.70.0000.08719.86
7.0.60.0100.04320.08
7.0.50.0170.07320.38
7.0.40.0200.06319.95
7.0.30.0170.07320.09
7.0.20.0070.08720.04
7.0.10.0100.08320.13
7.0.00.0070.06020.10
5.6.280.0000.07721.13
5.6.250.0130.06020.76
5.6.240.0130.04320.71
5.6.230.0070.07720.53
5.6.220.0130.05720.48
5.6.210.0070.08020.46
5.6.200.0070.08020.95
5.6.190.0130.07720.94
5.6.180.0130.06321.05
5.6.170.0100.08021.10
5.6.160.0030.05020.93
5.6.150.0130.07721.04
5.6.140.0070.06321.07
5.6.130.0100.03721.10
5.6.120.0070.08321.00
5.6.110.0170.07321.07
5.6.100.0070.08021.03
5.6.90.0030.06721.00
5.6.80.0100.07320.42
5.6.70.0130.07020.38
5.6.60.0100.07320.46
5.6.50.0130.04320.49
5.6.40.0100.06020.38
5.6.30.0130.07320.52
5.6.20.0070.07020.45
5.6.10.0130.04320.48
5.6.00.0030.08020.51
5.5.380.0130.06320.39
5.5.370.0130.07320.45
5.5.360.0100.07720.48
5.5.350.0130.08020.41
5.5.340.0070.04720.75
5.5.330.0200.07720.86
5.5.320.0100.07320.86
5.5.310.0030.08720.88
5.5.300.0100.07720.82
5.5.290.0100.03720.63
5.5.280.0030.05720.85
5.5.270.0030.08020.88
5.5.260.0000.05320.71
5.5.250.0130.08020.72
5.5.240.0070.05020.26
5.5.230.0130.07720.13
5.5.220.0030.09720.14
5.5.210.0130.07320.01
5.5.200.0070.07020.22
5.5.190.0030.06020.21
5.5.180.0100.07020.21
5.5.160.0100.07720.17
5.5.150.0000.05020.25
5.5.140.0030.04020.16
5.5.130.0030.04320.27
5.5.120.0100.03720.07
5.5.110.0100.03320.25
5.5.100.0000.04320.07
5.5.90.0030.04020.04
5.5.80.0030.04020.04
5.5.70.0170.02320.19
5.5.60.0070.03720.04
5.5.50.0000.04320.05
5.5.40.0070.03319.99
5.5.30.0000.04320.12
5.5.20.0070.03720.11
5.5.10.0000.04320.02
5.5.00.0030.04720.00
5.4.450.0070.06319.31
5.4.440.0000.04719.45
5.4.430.0070.08019.37
5.4.420.0070.04319.30
5.4.410.0030.07719.22
5.4.400.0030.06318.83
5.4.390.0030.04718.95
5.4.380.0030.07719.13
5.4.370.0070.07019.10
5.4.360.0070.07719.14
5.4.350.0030.08318.98
5.4.340.0130.05319.07
5.4.320.0100.05719.23
5.4.310.0100.04719.23
5.4.300.0000.04719.05
5.4.290.0100.04019.05
5.4.280.0000.04319.09
5.4.270.0070.04019.02
5.4.260.0030.03719.14
5.4.250.0070.03318.92
5.4.240.0030.04019.11
5.4.230.0070.03318.97
5.4.220.0070.03019.02
5.4.210.0030.04019.05
5.4.200.0030.03718.94
5.4.190.0030.04019.02
5.4.180.0000.04018.80
5.4.170.0030.05018.83
5.4.160.0030.04019.20
5.4.150.0030.03718.96
5.4.140.0000.05016.27
5.4.130.0030.03716.29
5.4.120.0030.03716.11
5.4.110.0070.03316.34
5.4.100.0070.03316.16
5.4.90.0000.03716.26
5.4.80.0030.03716.34
5.4.70.0030.03016.34
5.4.60.0030.04016.21
5.4.50.0030.03716.33
5.4.40.0030.03016.43
5.4.30.0070.03016.42
5.4.20.0070.02716.20
5.4.10.0070.03316.39
5.4.00.0000.03315.71
5.3.290.0130.06014.62
5.3.280.0000.04014.59
5.3.270.0070.03714.46
5.3.260.0030.05314.45
5.3.250.0070.05714.56
5.3.240.0070.04014.59
5.3.230.0070.04314.54
5.3.220.0030.04014.55
5.3.210.0070.05714.38
5.3.200.0030.03714.39
5.3.190.0030.03714.57
5.3.180.0130.02714.53
5.3.170.0030.03714.38
5.3.160.0130.02714.57
5.3.150.0000.04314.47
5.3.140.0070.03314.51
5.3.130.0030.03714.54
5.3.120.0000.04014.40
5.3.110.0030.03714.55
5.3.100.0070.03313.85
5.3.90.0130.02714.00
5.3.80.0030.03313.79
5.3.70.0000.04713.96
5.3.60.0000.04013.96
5.3.50.0030.04013.93
5.3.40.0030.03313.92
5.3.30.0030.04013.86
5.3.20.0070.03013.64
5.3.10.0000.03713.65
5.3.00.0070.02713.49
5.2.170.0000.03011.17
5.2.160.0000.03311.07
5.2.150.0070.02710.93
5.2.140.0070.02711.18
5.2.130.0000.03011.04
5.2.120.0000.03011.12
5.2.110.0000.03711.12
5.2.100.0030.06011.09
5.2.90.0030.03011.05
5.2.80.0030.03011.05
5.2.70.0070.02710.91
5.2.60.0000.03310.89
5.2.50.0030.03011.04
5.2.40.0000.03011.04
5.2.30.0070.04710.93
5.2.20.0030.02710.79
5.2.10.0000.03310.78
5.2.00.0000.03010.58
5.1.60.0030.02310.05
5.1.50.0000.05010.05
5.1.40.0070.0439.85
5.1.30.0000.02710.41
5.1.20.0030.02310.38
5.1.10.0000.02310.10
5.1.00.0070.04310.05
5.0.50.0070.0338.57
5.0.40.0130.0338.43
5.0.30.0030.0678.36
5.0.20.0000.0338.36
5.0.10.0030.0338.36
5.0.00.0100.0538.36
4.4.90.0030.0108.36
4.4.80.0070.0108.36
4.4.70.0030.0378.36
4.4.60.0030.0378.36
4.4.50.0000.0138.36
4.4.40.0030.0578.36
4.4.30.0030.0308.36
4.4.20.0070.0108.36
4.4.10.0030.0338.36
4.4.00.0030.0508.36
4.3.110.0000.0338.36
4.3.100.0030.0338.36
4.3.90.0000.0308.36
4.3.80.0100.0278.36
4.3.70.0030.0278.36
4.3.60.0030.0178.36
4.3.50.0030.0208.36
4.3.40.0030.0378.36
4.3.30.0030.0308.36
4.3.20.0000.0408.36
4.3.10.0000.0408.36
4.3.00.0030.0338.36

preferences:
49.1 ms | 401 KiB | 5 Q