3v4l.org

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

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)
8.5.10.0100.00720.18
8.5.00.0080.00419.94
8.4.150.0020.00014.05
8.4.140.0090.01317.28
8.4.130.0100.00918.70
8.4.120.0100.01117.50
8.4.110.0120.00817.71
8.4.100.0170.00417.50
8.4.90.0100.00920.45
8.4.80.0030.00518.85
8.4.70.0090.01020.59
8.4.60.0110.00918.87
8.4.50.0130.00623.85
8.4.40.0150.00317.32
8.4.30.0120.00917.73
8.4.20.0100.01017.28
8.4.10.0090.00017.52
8.3.280.0120.00918.16
8.3.270.0090.01316.55
8.3.260.0140.00616.46
8.3.250.0110.00916.73
8.3.240.0100.01216.48
8.3.230.0090.00516.55
8.3.220.0120.00618.84
8.3.210.0100.00816.44
8.3.200.0040.00516.65
8.3.190.0020.00617.08
8.3.180.0090.00918.81
8.3.170.0090.00918.78
8.3.160.0090.00916.94
8.3.150.0100.00718.97
8.3.140.0040.01420.84
8.3.130.0030.00518.23
8.3.120.0130.00718.70
8.3.110.0060.00320.94
8.3.100.0050.00516.65
8.3.90.0000.00826.77
8.3.80.0090.00018.18
8.3.70.0080.00818.43
8.3.60.0100.00316.38
8.3.50.0120.00522.79
8.3.40.0000.01418.62
8.3.30.0070.00718.71
8.3.20.0040.00420.04
8.3.10.0040.00421.71
8.3.00.0040.00419.68
8.2.290.0130.00516.59
8.2.280.0100.00818.11
8.2.270.0040.01416.32
8.2.260.0150.00016.59
8.2.250.0030.00618.21
8.2.240.0170.00016.96
8.2.230.0080.00022.58
8.2.220.0080.00024.06
8.2.210.0070.00326.77
8.2.200.0060.00316.63
8.2.190.0040.01418.31
8.2.180.0150.00016.32
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0000.00919.23
8.2.110.0060.00322.11
8.2.100.0040.00717.72
8.2.90.0040.00419.28
8.2.80.0090.00019.18
8.2.70.0040.00417.50
8.2.60.0000.00817.92
8.2.50.0060.00618.07
8.2.40.0000.00818.09
8.2.30.0050.00219.31
8.2.20.0000.00717.54
8.2.10.0050.00218.04
8.2.00.0090.00017.54
8.1.330.0120.00716.44
8.1.320.0130.00815.98
8.1.310.0000.00818.19
8.1.300.0110.00717.88
8.1.290.0060.00330.84
8.1.280.0080.00625.92
8.1.270.0040.00420.66
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.61
8.1.230.0000.01219.07
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0000.01117.23
8.1.190.0050.00317.29
8.1.180.0040.00418.10
8.1.170.0070.00318.51
8.1.160.0000.00718.75
8.1.150.0090.00018.80
8.1.140.0070.00017.42
8.1.130.0050.00317.83
8.1.120.0000.00717.23
8.1.110.0040.00417.43
8.1.100.0000.00717.37
8.1.90.0000.00717.45
8.1.80.0000.00717.38
8.1.70.0070.00017.35
8.1.60.0030.00617.43
8.1.50.0050.00317.39
8.1.40.0040.00417.42
8.1.30.0040.00417.58
8.1.20.0000.00817.41
8.1.10.0080.00017.50
8.1.00.0000.00817.33
8.0.300.0000.00818.77
8.0.290.0000.00717.16
8.0.280.0000.00718.36
8.0.270.0040.00417.10
8.0.260.0030.00317.11
8.0.250.0030.00316.88
8.0.240.0000.00716.79
8.0.230.0030.00316.85
8.0.220.0000.00616.73
8.0.210.0040.00416.88
8.0.200.0000.00616.79
8.0.190.0040.00416.75
8.0.180.0030.00716.91
8.0.170.0000.00716.78
8.0.160.0040.00416.84
8.0.150.0040.00416.67
8.0.140.0070.00016.67
8.0.130.0000.00513.25
8.0.120.0030.00616.77
8.0.110.0070.00016.80
8.0.100.0000.00716.83
8.0.90.0000.00716.86
8.0.80.0040.01116.81
8.0.70.0050.00216.69
8.0.60.0000.00816.82
8.0.50.0000.00716.76
8.0.30.0070.01216.94
8.0.20.0150.00517.40
8.0.10.0050.00216.79
8.0.00.0090.00816.72
7.4.330.0000.00515.02
7.4.320.0060.00316.48
7.4.300.0030.00316.53
7.4.290.0030.00316.32
7.4.280.0050.00316.41
7.4.270.0030.00316.36
7.4.260.0080.00316.30
7.4.250.0080.00016.49
7.4.240.0010.00616.46
7.4.230.0040.00416.59
7.4.220.0090.01516.48
7.4.210.0120.00716.44
7.4.200.0000.00716.37
7.4.160.0070.00716.22
7.4.150.0100.00717.40
7.4.140.0120.00817.86
7.4.130.0090.00716.37
7.4.120.0110.00916.46
7.4.110.0190.00416.53
7.4.100.0100.01016.45
7.4.90.0120.00616.33
7.4.80.0060.01219.39
7.4.70.0120.00916.37
7.4.60.0070.01016.40
7.4.50.0030.00616.36
7.4.40.0070.01016.17
7.4.30.0120.00916.26
7.4.00.0000.01414.77
7.3.330.0000.00513.04
7.3.320.0000.00513.00
7.3.310.0040.00416.16
7.3.300.0070.00016.15
7.3.290.0090.00616.12
7.3.280.0060.01116.12
7.3.270.0100.00717.40
7.3.260.0060.01116.16
7.3.250.0130.01116.13
7.3.240.0130.00316.35
7.3.230.0140.00716.39
7.3.210.0080.00816.40
7.3.200.0090.00819.39
7.3.190.0100.00716.50
7.3.180.0110.00616.42
7.3.170.0060.01616.27
7.3.160.0060.00916.29
7.2.330.0040.01216.43
7.2.320.0030.01316.57
7.2.310.0110.01416.41
7.2.300.0100.00616.53
7.2.290.0070.01016.36
7.2.00.0090.00418.69
7.1.100.0090.00917.98
7.1.70.0040.00416.92
7.1.60.0120.01219.34
7.1.50.0090.01216.89
7.1.00.0030.07722.45
7.0.200.0030.00316.60
7.0.140.0070.07022.08
7.0.60.0030.04019.94
7.0.50.0070.03717.89
7.0.40.0070.04320.07
7.0.30.0300.07720.34
7.0.20.0270.06020.01
7.0.10.0070.06720.16
7.0.00.0100.04320.11
5.6.280.0130.06320.84
5.6.210.0030.04020.50
5.6.200.0070.06718.15
5.6.190.0100.07720.77
5.6.180.0070.07320.27
5.6.170.0270.04020.55
5.6.160.0100.03720.38
5.6.150.0000.04318.12
5.6.140.0030.04318.15
5.6.130.0070.08018.20
5.6.120.0000.04320.86
5.6.110.0070.06321.02
5.6.100.0170.06321.13
5.6.90.0130.08020.96
5.6.80.0030.08320.39
5.5.350.0270.07320.40
5.5.340.0070.08017.93
5.5.330.0170.07320.25
5.5.320.3970.03020.21
5.5.310.0230.07720.29
5.5.300.0070.08318.00
5.5.290.0100.07318.02
5.5.280.0030.08720.86
5.5.270.0100.08320.88
5.5.260.0070.08320.87
5.5.250.0100.07020.61
5.5.240.0070.06720.18
5.4.450.0430.06019.32
5.4.440.0730.05719.54
5.4.430.0130.05019.40
5.4.420.0030.05719.21
5.4.410.0200.05718.66
5.4.400.0030.05718.49
5.4.390.0170.04718.48
5.4.380.0130.05018.68
5.4.370.0130.04718.77
5.4.360.0070.05318.52
5.4.350.0000.04313.65
5.4.340.0070.03713.68
5.4.320.0130.03314.30
5.4.310.0100.03714.11
5.4.300.0070.04014.13
5.4.290.0100.04714.11
5.4.280.0070.03714.05
5.4.270.0170.03014.02
5.4.260.0200.03313.92
5.4.250.0170.03014.05
5.4.240.0030.04013.96
5.4.230.0100.03713.95
5.4.220.0100.03714.03
5.4.210.0030.04014.03
5.4.200.0130.03313.96
5.4.190.0100.03714.00
5.4.180.0070.04314.08
5.4.170.0030.04014.02
5.4.160.0070.04014.04
5.4.150.0130.03313.95
5.4.140.0100.03713.71
5.4.130.0070.04013.70
5.4.120.0170.03013.68
5.4.110.0100.03713.77
5.4.100.0200.02313.57
5.4.90.0100.03713.61
5.4.80.0130.03313.65
5.4.70.0100.03313.60
5.4.60.0130.03313.59
5.4.50.0100.04013.65
5.4.40.0130.05313.74
5.4.30.0130.03313.70
5.4.20.0100.03713.56
5.4.10.0130.03313.68
5.4.00.0100.04013.23

preferences:
38.48 ms | 403 KiB | 5 Q