3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($$asd));

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)
8.3.70.0120.00616.58
8.3.60.0130.00618.41
8.3.50.0060.01221.14
8.3.40.0070.00718.42
8.3.30.0130.00020.10
8.3.20.0000.00722.09
8.3.10.0070.00021.97
8.3.00.0080.00022.50
8.2.180.0150.00616.63
8.2.170.0070.00722.96
8.2.160.0030.01320.28
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00317.63
8.2.110.0090.00022.31
8.2.100.0150.00317.66
8.2.90.0040.00419.22
8.2.80.0050.00219.07
8.2.70.0040.00417.47
8.2.60.0030.00617.91
8.2.50.0040.00418.07
8.2.40.0000.00818.21
8.2.30.0000.00819.34
8.2.20.0040.00417.46
8.2.10.0050.00217.67
8.2.00.0000.00717.57
8.1.280.0030.01025.92
8.1.270.0030.00622.09
8.1.260.0040.00426.35
8.1.250.0030.00828.09
8.1.240.0040.00423.87
8.1.230.0060.00619.23
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0000.00818.10
8.1.170.0030.00618.65
8.1.160.0000.00718.81
8.1.150.0000.00818.52
8.1.140.0070.00017.41
8.1.130.0000.00817.63
8.1.120.0030.00317.39
8.1.110.0040.00417.39
8.1.100.0000.00717.27
8.1.90.0000.00717.41
8.1.80.0000.00717.38
8.1.70.0030.00317.29
8.1.60.0000.00817.39
8.1.50.0000.00717.34
8.1.40.0080.00317.33
8.1.30.0000.00817.58
8.1.20.0030.00517.59
8.1.10.0000.00817.27
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0000.00716.80
8.0.280.0040.00418.37
8.0.270.0000.00717.23
8.0.260.0000.00616.66
8.0.250.0040.00416.85
8.0.240.0040.00416.91
8.0.230.0030.00316.87
8.0.220.0000.00716.82
8.0.210.0040.00416.77
8.0.200.0040.00416.76
8.0.190.0000.00716.85
8.0.180.0070.00016.83
8.0.170.0040.00316.87
8.0.160.0030.00316.82
8.0.150.0000.00816.62
8.0.140.0000.01016.63
8.0.130.0000.00513.25
8.0.120.0080.00016.89
8.0.110.0050.00316.82
8.0.100.0000.00816.86
8.0.90.0000.00716.86
8.0.80.0090.00616.79
8.0.70.0030.00316.64
8.0.60.0040.00416.87
8.0.50.0000.00716.83
8.0.30.0130.00817.08
8.0.20.0120.00717.40
8.0.10.0040.00316.89
8.0.00.0140.00716.67
7.4.330.0000.00516.72
7.4.320.0060.00016.51
7.4.300.0030.00316.50
7.4.290.0070.00016.44
7.4.280.0000.00816.55
7.4.270.0030.00316.45
7.4.260.0000.00613.19
7.4.250.0000.00716.48
7.4.240.0030.00516.44
7.4.230.0030.00316.17
7.4.220.0110.00716.44
7.4.210.0070.00916.52
7.4.200.0000.00716.43
7.4.190.0030.00316.66
7.4.160.0150.00816.65
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0080.00816.48
7.4.120.0090.00916.34
7.4.110.0160.00816.29
7.4.100.0090.00916.11
7.4.90.0090.00916.42
7.4.80.0080.01519.39
7.4.70.0100.00716.58
7.4.60.0040.01316.23
7.4.50.0040.00416.46
7.4.40.0030.01222.77
7.4.30.0130.01016.50
7.4.00.0040.00714.97
7.3.330.0050.00012.93
7.3.320.0030.00313.06
7.3.310.0000.00616.10
7.3.300.0030.00316.14
7.3.290.0080.00516.07
7.3.280.0090.00616.09
7.3.270.0000.01817.40
7.3.260.0160.00716.18
7.3.250.0120.00616.25
7.3.240.0100.01016.27
7.3.230.0100.00616.39
7.3.210.0190.00416.34
7.3.200.0130.00619.39
7.3.190.0100.00716.27
7.3.180.0070.01016.17
7.3.170.0130.00316.27
7.3.160.0160.00016.34
7.3.120.0090.00914.95
7.2.330.0090.00816.54
7.2.320.0030.01316.28
7.2.310.0150.00016.53
7.2.300.0140.00716.42
7.2.290.0090.00616.25
7.1.70.0030.00616.73
7.1.60.0170.00719.17
7.1.50.0200.00316.89
7.1.00.0000.03722.28
7.0.200.0070.00016.66
7.0.140.0100.06721.97
7.0.70.0000.03721.92
7.0.60.0000.04321.58
7.0.50.0070.04022.11
7.0.40.0000.04320.03
7.0.30.0070.03720.10
7.0.20.0100.03320.14
7.0.10.0030.07320.04
7.0.00.0070.03720.16
5.6.280.0030.07321.09
5.6.220.0000.03720.59
5.6.210.0000.04320.63
5.6.200.0070.04020.96
5.6.190.0000.04321.02
5.6.180.0070.03721.13
5.6.170.0170.05721.07
5.6.160.0030.03321.01
5.6.150.0030.06721.03
5.6.140.0130.03721.07
5.6.130.0070.03320.95
5.6.120.0000.04321.02
5.6.110.0000.05021.03
5.6.100.0030.04020.91
5.6.90.0030.06020.90
5.6.80.0170.07320.49
5.6.70.0030.09320.42
5.6.60.0130.07720.46
5.6.50.0130.07320.45
5.6.40.0070.08720.45
5.6.30.0070.04320.37
5.6.20.0230.06720.38
5.6.10.0030.09020.36
5.6.00.0000.08720.43
5.5.360.0070.05720.42
5.5.350.0030.07720.45
5.5.340.0000.07720.87
5.5.330.0030.04020.90
5.5.320.0000.04320.83
5.5.310.0030.07320.90
5.5.300.0000.03720.92
5.5.290.0070.03720.76
5.5.280.0070.04020.79
5.5.270.0030.05020.80
5.5.260.0030.03720.80
5.5.250.0030.04020.59
5.5.240.0200.06320.18
5.5.230.0030.08320.10
5.5.220.0130.07720.24
5.5.210.0070.08320.15
5.5.200.0030.05020.24
5.5.190.0070.04020.23
5.5.180.0030.04320.14
5.5.160.0070.08720.25
5.5.150.0070.08320.09
5.5.140.0070.07320.15
5.5.130.0130.07320.14
5.5.120.0030.08020.05
5.5.110.0070.05720.26
5.5.100.0070.05320.16
5.5.90.0100.07719.94
5.5.80.0100.07719.94
5.5.70.0130.07320.04
5.5.60.0200.06020.07
5.5.50.0030.08020.14
5.5.40.0030.07320.10
5.5.30.0030.05320.07
5.5.20.0030.08320.08
5.5.10.0130.06319.95
5.5.00.0170.06720.02
5.4.450.0070.03719.23
5.4.440.0030.04719.38
5.4.430.0000.04319.21
5.4.420.0030.03719.30
5.4.410.0030.06719.18
5.4.400.0030.07719.23
5.4.390.0070.07019.23
5.4.380.0100.05019.09
5.4.370.0070.08019.23
5.4.360.0000.06318.81
5.4.350.0000.08319.05
5.4.340.0100.07718.98
5.4.320.0070.08318.92
5.4.310.0100.07319.14
5.4.300.0030.08319.03
5.4.290.0100.05719.22
5.4.280.0070.07718.94
5.4.270.0170.06719.02
5.4.260.0030.07319.14
5.4.250.0100.04718.94
5.4.240.0070.07719.05
5.4.230.0100.04719.14
5.4.220.0030.05018.94
5.4.210.0030.04019.05
5.4.200.0000.05718.89
5.4.190.0030.06719.05
5.4.180.0100.07319.04
5.4.170.0000.08018.95
5.4.160.0070.04018.91
5.4.150.0100.05318.92
5.4.140.0030.07716.42
5.4.130.0070.06316.34
5.4.120.0070.05316.37
5.4.110.0100.07316.36
5.4.100.0030.07716.34
5.4.90.0070.06016.43
5.4.80.0100.07316.40
5.4.70.0000.08016.34
5.4.60.0100.05716.42
5.4.50.0100.06316.35
5.4.40.0100.07716.32
5.4.30.0000.04016.38
5.4.20.0200.06016.23
5.4.10.0070.07716.41
5.4.00.0270.06315.71
5.3.290.0030.08014.65
5.3.280.0070.04714.57
5.3.270.0200.05014.46
5.3.260.0000.04314.51
5.3.250.0130.05014.56
5.3.240.0100.04014.58
5.3.230.0000.04714.53
5.3.220.0000.06014.39
5.3.210.0030.04014.52
5.3.200.0130.07014.50
5.3.190.0030.07314.43
5.3.180.0100.05714.55
5.3.170.0100.07014.41
5.3.160.0000.06714.54
5.3.150.0000.08014.47
5.3.140.0130.05014.38
5.3.130.0070.07014.52
5.3.120.0070.05714.53
5.3.110.0070.04714.53
5.3.100.0030.07314.04
5.3.90.0070.07713.87
5.3.80.0100.06013.92
5.3.70.0130.06713.87
5.3.60.0070.04713.95
5.3.50.0130.06313.71
5.3.40.0070.08013.91
5.3.30.0030.08013.76
5.3.20.0100.06313.54
5.3.10.0070.05313.51
5.3.00.0100.07313.59
5.2.170.0030.07012.26
5.2.160.0070.03012.26
5.2.150.0030.06312.26
5.2.140.0030.07012.26
5.2.130.0030.04012.26
5.2.120.0070.05012.26
5.2.110.0070.03312.26
5.2.100.0070.04312.26
5.2.90.0070.06312.26
5.2.80.0070.06312.26
5.2.70.0070.05712.26
5.2.60.0070.05312.26
5.2.50.0070.04312.26
5.2.40.0000.06312.26
5.2.30.0000.06712.26
5.2.20.0200.04712.26
5.2.10.0030.06312.26
5.2.00.0070.06012.26
5.1.60.0000.05712.26
5.1.50.0070.03012.26
5.1.40.0070.05012.26
5.1.30.0070.05012.26
5.1.20.0030.05712.26
5.1.10.0030.03712.26
5.1.00.0130.04712.26
5.0.50.0070.04312.26
5.0.40.0000.04312.26
5.0.30.0000.07012.26
5.0.20.0030.03312.26
5.0.10.0030.04312.26
5.0.00.0130.04012.26
4.4.90.0000.03712.26
4.4.80.0000.03712.26
4.4.70.0000.03712.26
4.4.60.0000.03012.26
4.4.50.0070.02312.26
4.4.40.0030.03312.26
4.4.30.0030.03012.26
4.4.20.0030.03712.26
4.4.10.0000.03312.26
4.4.00.0000.06012.26
4.3.110.0070.03012.26
4.3.100.0000.04312.26
4.3.90.0030.03312.26
4.3.80.0000.06012.26
4.3.70.0030.03012.26
4.3.60.0100.03012.26
4.3.50.0000.03312.26
4.3.40.0030.05012.26
4.3.30.0030.03712.26
4.3.20.0000.03012.26
4.3.10.0070.02012.26
4.3.00.0000.03312.26

preferences:
81.08 ms | 401 KiB | 5 Q