3v4l.org

run code in 300+ PHP versions simultaneously
<?php $formval = "0"; if (isset($val)) { echo "is set"; }

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)
8.3.60.0120.00316.23
8.3.50.0040.01121.89
8.3.40.0000.01618.84
8.3.30.0040.01118.79
8.3.20.0040.00420.29
8.3.10.0080.00021.69
8.3.00.0040.00419.25
8.2.180.0110.00718.24
8.2.170.0070.00722.96
8.2.160.0100.00320.46
8.2.150.0070.00024.18
8.2.140.0030.00624.66
8.2.130.0000.00826.16
8.2.120.0000.00722.06
8.2.110.0030.00620.25
8.2.100.0080.00417.69
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0040.00417.25
8.2.60.0030.00617.80
8.2.50.0040.00818.07
8.2.40.0040.00419.95
8.2.30.0070.00018.03
8.2.20.0000.00817.52
8.2.10.0070.00317.84
8.2.00.0030.00517.54
8.1.280.0170.00325.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.04
8.1.230.0090.00317.52
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.11
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.25
8.1.160.0000.00721.85
8.1.150.0040.00418.55
8.1.140.0000.00717.31
8.1.130.0070.00017.86
8.1.120.0070.00017.29
8.1.110.0080.00017.38
8.1.100.0040.00417.40
8.1.90.0030.00317.37
8.1.80.0050.00317.46
8.1.70.0050.00317.19
8.1.60.0080.00417.47
8.1.50.0000.00817.31
8.1.40.0000.00717.48
8.1.30.0040.00417.48
8.1.20.0070.00017.55
8.1.10.0040.00417.39
8.1.00.0040.00417.35
8.0.300.0030.00618.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0030.00317.19
8.0.260.0000.00617.11
8.0.250.0030.00316.84
8.0.240.0030.00316.94
8.0.230.0040.00416.82
8.0.220.0060.00016.78
8.0.210.0040.00416.84
8.0.200.0060.00016.84
8.0.190.0040.00416.89
8.0.180.0040.00416.79
8.0.170.0070.00016.92
8.0.160.0030.00316.85
8.0.150.0070.00016.81
8.0.140.0070.00016.74
8.0.130.0000.00613.29
8.0.120.0030.00516.78
8.0.110.0070.00016.81
8.0.100.0040.00416.85
8.0.90.0000.00816.70
8.0.80.0060.00916.77
8.0.70.0040.00416.66
8.0.60.0030.00316.82
8.0.50.0050.00216.73
8.0.30.0100.00817.12
8.0.20.0130.00817.40
8.0.10.0040.00417.03
8.0.00.0100.00816.78
7.4.330.0020.00215.00
7.4.320.0000.00716.52
7.4.300.0060.00016.54
7.4.290.0030.00316.32
7.4.280.0000.00816.37
7.4.270.0020.00516.48
7.4.260.0030.00516.50
7.4.250.0040.00416.53
7.4.240.0020.00516.43
7.4.230.0030.00316.51
7.4.220.0150.00916.56
7.4.210.0110.00716.54
7.4.200.0000.00816.51
7.4.190.0030.00316.68
7.4.160.0040.01116.37
7.4.150.0030.01417.40
7.4.140.0070.01017.86
7.4.130.0100.00716.33
7.4.120.0080.00916.49
7.4.110.0090.00916.31
7.4.100.0150.00316.24
7.4.90.0070.01116.52
7.4.80.0110.00619.39
7.4.70.0040.01116.37
7.4.60.0030.01716.17
7.4.50.0000.00616.45
7.4.40.0060.01216.38
7.4.30.0070.01616.32
7.4.00.0060.00915.01
7.3.330.0000.00612.96
7.3.320.0000.00612.92
7.3.310.0060.00015.95
7.3.300.0030.00316.11
7.3.290.0140.00016.09
7.3.280.0040.01216.17
7.3.270.0070.01017.40
7.3.260.0100.00716.57
7.3.250.0110.00916.13
7.3.240.0120.01216.11
7.3.230.0100.00716.39
7.3.210.0060.01116.41
7.3.200.0120.00619.39
7.3.190.0170.00316.35
7.3.180.0060.00916.10
7.3.170.0030.01316.30
7.3.160.0100.01016.12
7.3.120.0060.00614.39
7.3.10.0060.00616.07
7.3.00.0000.01116.53
7.2.330.0070.01416.44
7.2.320.0150.00816.34
7.2.310.0060.01216.41
7.2.300.0090.00616.21
7.2.290.0060.01016.33
7.2.130.0070.00716.54
7.2.120.0140.00316.50
7.2.110.0120.00516.43
7.2.100.0030.00616.90
7.2.90.0040.00816.80
7.2.80.0090.00716.57
7.2.70.0120.00016.59
7.2.60.0050.00516.65
7.2.50.0060.00616.66
7.2.40.0030.00616.33
7.2.30.0070.00716.33
7.2.20.0060.00916.40
7.2.10.0080.00416.38
7.2.00.0040.00918.03
7.1.250.0030.01015.64
7.1.200.0100.00615.59
7.1.100.0060.00617.86
7.1.70.0000.00716.93
7.1.60.0040.01119.46
7.1.50.0160.01034.73
7.1.00.0000.08022.45
7.0.200.0000.00916.57
7.0.140.0070.07021.94
7.0.100.0070.05019.91
7.0.90.0070.04720.15
7.0.80.0070.08019.93
7.0.70.0300.07019.99
7.0.60.0100.07319.85
7.0.50.0300.06720.30
7.0.40.0070.05720.11
7.0.30.0100.06320.05
7.0.20.0070.05720.00
7.0.10.0030.06720.10
7.0.00.0000.05020.10
5.6.280.0070.07020.81
5.6.250.0000.05020.77
5.6.240.0000.06020.71
5.6.230.0070.06320.71
5.6.220.0200.03320.51
5.6.210.0000.05020.45
5.6.200.0100.07721.04
5.6.190.0070.08321.03
5.6.180.0130.07721.09
5.6.170.0100.03721.03
5.6.160.0100.08021.07
5.6.150.0030.06021.05
5.6.140.0070.08020.93
5.6.130.0070.06020.99
5.6.120.0070.07721.03
5.6.110.0170.07721.09
5.6.100.0030.07021.15
5.6.90.0200.07320.99
5.6.80.0170.07320.43
5.6.70.0100.07720.34
5.6.60.0070.05320.44
5.6.50.0070.07720.41
5.6.40.0100.04720.38
5.6.30.0000.04320.46
5.6.20.0030.04020.38
5.6.10.0030.04020.45
5.6.00.0030.05020.44
5.5.380.0070.07320.50
5.5.370.0100.07320.40
5.5.360.0270.04020.50
5.5.350.0030.07720.42
5.5.340.0070.04720.92
5.5.330.0000.05320.82
5.5.320.0070.09020.77
5.5.310.0070.08020.92
5.5.300.0070.08720.76
5.5.290.0070.04720.88
5.5.280.0070.08020.85
5.5.270.0170.07720.82
5.5.260.0100.04020.80
5.5.250.0070.08320.68
5.5.240.0000.04720.23
5.5.230.0070.08020.27
5.5.220.0130.07320.27
5.5.210.0100.05320.28
5.5.200.0030.04020.13
5.5.190.0030.04020.13
5.5.180.0100.03720.22
5.5.160.0030.04020.27
5.5.150.0030.04020.25
5.5.140.0000.03720.18
5.5.130.0030.03320.14
5.5.120.0000.03720.21
5.5.110.0000.04020.13
5.5.100.0000.04320.07
5.5.90.0000.04320.08
5.5.80.0000.03720.07
5.5.70.0030.04020.15
5.5.60.0000.04320.11
5.5.50.0000.03720.13
5.5.40.0030.04020.07
5.5.30.0000.05720.14
5.5.20.0030.03320.07
5.5.10.0100.02720.00
5.5.00.0030.03719.95
5.4.450.0070.04019.38
5.4.440.0100.07019.35
5.4.430.0070.06019.45
5.4.420.0070.04019.30
5.4.410.0070.04318.98
5.4.400.0070.07318.82
5.4.390.0130.06718.98
5.4.380.0000.04718.81
5.4.370.0100.07019.11
5.4.360.0000.05718.79
5.4.350.0070.04718.80
5.4.340.0000.04318.96
5.4.320.0100.03319.06
5.4.310.0000.03318.94
5.4.300.0000.04719.03
5.4.290.0030.04019.09
5.4.280.0000.03719.11
5.4.270.0070.03719.23
5.4.260.0070.02718.80
5.4.250.0030.03719.04
5.4.240.0030.03019.22
5.4.230.0000.03718.80
5.4.220.0000.04719.09
5.4.210.0000.04019.12
5.4.200.0100.02718.93
5.4.190.0070.03718.89
5.4.180.0100.03319.11
5.4.170.0000.04018.80
5.4.160.0030.04019.21
5.4.150.0070.02719.16
5.4.140.0070.03316.06
5.4.130.0030.03716.13
5.4.120.0130.02016.29
5.4.110.0000.04316.21
5.4.100.0030.03716.31
5.4.90.0000.03316.42
5.4.80.0030.03716.43
5.4.70.0000.03316.31
5.4.60.0070.02716.19
5.4.50.0000.03716.19
5.4.40.0000.03316.36
5.4.30.0030.03016.32
5.4.20.0000.03716.41
5.4.10.0070.03716.27
5.4.00.0030.02715.71
5.3.290.0070.03714.59
5.3.280.0030.04014.50
5.3.270.0030.03714.54
5.3.260.0000.03714.59
5.3.250.0030.03014.46
5.3.240.0030.04014.51
5.3.230.0000.03714.57
5.3.220.0030.03714.52
5.3.210.0070.04714.55
5.3.200.0000.04314.41
5.3.190.0000.04014.39
5.3.180.0000.04014.57
5.3.170.0130.03014.42
5.3.160.0000.04314.46
5.3.150.0000.03314.39
5.3.140.0030.03014.54
5.3.130.0030.04314.52
5.3.120.0030.04014.36
5.3.110.0070.03014.36
5.3.100.0030.03014.02
5.3.90.0000.03313.95
5.3.80.0070.03313.96
5.3.70.0070.03313.86
5.3.60.0070.02713.98
5.3.50.0070.02713.80
5.3.40.0030.03013.93
5.3.30.0070.02713.89
5.3.20.0000.03713.64
5.3.10.0000.03313.66
5.3.00.0030.03313.57
5.2.170.0000.03011.06
5.2.160.0030.02311.06
5.2.150.0000.02710.96
5.2.140.0000.02711.09
5.2.130.0030.06011.01
5.2.120.0030.04310.94
5.2.110.0030.05311.07
5.2.100.0030.04311.07
5.2.90.0030.04711.05
5.2.80.0070.05711.10
5.2.70.0000.03311.05
5.2.60.0030.04311.08
5.2.50.0030.03310.86
5.2.40.0070.06010.84
5.2.30.0030.06010.81
5.2.20.0070.06010.88
5.2.10.0100.05310.88
5.2.00.0000.03310.73
5.1.60.0000.04010.00
5.1.50.0030.05310.05
5.1.40.0030.0479.96
5.1.30.0070.03010.38
5.1.20.0030.04710.29
5.1.10.0030.02310.13
5.1.00.0000.03010.06
5.0.50.0030.0478.57
5.0.40.0000.0378.23
5.0.30.0030.0478.21
5.0.20.0070.0208.27
5.0.10.0030.0338.25
5.0.00.0000.0338.24
4.4.90.0000.0307.97
4.4.80.0070.0237.97
4.4.70.0030.0307.97
4.4.60.0000.0337.97
4.4.50.0070.0407.97
4.4.40.0000.0277.97
4.4.30.0030.0277.97
4.4.20.0030.0177.97
4.4.10.0000.0407.97
4.4.00.0100.0477.97
4.3.110.0000.0207.97
4.3.100.0000.0207.97
4.3.90.0000.0307.97
4.3.80.0030.0577.97
4.3.70.0030.0137.97
4.3.60.0000.0177.97
4.3.50.0000.0207.97
4.3.40.0030.0277.97
4.3.30.0000.0177.97
4.3.20.0030.0307.97
4.3.10.0000.0207.97
4.3.00.0000.0177.97

preferences:
45.63 ms | 401 KiB | 5 Q