3v4l.org

run code in 300+ PHP versions simultaneously
<?php function scope () { $var = '_POST'; var_dump(isset($$var)); } scope();

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)
8.3.40.0040.01118.57
8.3.30.0150.00018.91
8.3.20.0040.00420.09
8.3.10.0050.00323.52
8.3.00.0000.00820.82
8.2.170.0130.00722.96
8.2.160.0130.00020.58
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0030.00520.79
8.2.110.0070.01021.17
8.2.100.0060.00617.78
8.2.90.0000.00817.90
8.2.80.0080.00417.97
8.2.70.0030.00517.50
8.2.60.0060.00617.93
8.2.50.0100.00018.07
8.2.40.0040.00418.34
8.2.30.0040.00418.18
8.2.20.0040.00417.58
8.2.10.0040.00418.19
8.2.00.0000.00817.78
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0060.00322.53
8.1.230.0090.00321.00
8.1.220.0040.00417.88
8.1.210.0040.00418.79
8.1.200.0030.00617.35
8.1.190.0040.00417.38
8.1.180.0000.00818.10
8.1.170.0000.00918.65
8.1.160.0020.00521.94
8.1.150.0000.00918.61
8.1.140.0070.00017.32
8.1.130.0030.00317.82
8.1.120.0000.00817.46
8.1.110.0030.00517.41
8.1.100.0000.00817.45
8.1.90.0000.00717.45
8.1.80.0040.00417.32
8.1.70.0040.00417.32
8.1.60.0000.00817.57
8.1.50.0030.00617.50
8.1.40.0050.00217.35
8.1.30.0050.00317.54
8.1.20.0050.00317.55
8.1.10.0000.00817.43
8.1.00.0040.00417.40
8.0.300.0000.00819.89
8.0.290.0070.00016.63
8.0.280.0000.00818.49
8.0.270.0000.00717.18
8.0.260.0070.00017.23
8.0.250.0030.00316.84
8.0.240.0030.00316.95
8.0.230.0030.00316.83
8.0.220.0030.00316.82
8.0.210.0000.00716.88
8.0.200.0000.00616.91
8.0.190.0000.00716.83
8.0.180.0040.00416.89
8.0.170.0040.00416.89
8.0.160.0040.00416.89
8.0.150.0030.00716.75
8.0.140.0050.00516.84
8.0.130.0030.00313.31
8.0.120.0060.00316.89
8.0.110.0070.00016.90
8.0.100.0070.00016.73
8.0.90.0000.00716.71
8.0.80.0070.00716.92
8.0.70.0040.00416.75
8.0.60.0040.00416.71
8.0.50.0040.00416.82
8.0.30.0110.00817.14
8.0.20.0050.01417.40
8.0.10.0050.00216.98
8.0.00.0100.00716.58
7.4.330.0030.00315.13
7.4.320.0000.00616.47
7.4.300.0030.00316.57
7.4.290.0030.00316.59
7.4.280.0000.00716.34
7.4.270.0030.00316.42
7.4.260.0040.00416.58
7.4.250.0030.00516.35
7.4.240.0040.00416.47
7.4.230.0000.00716.60
7.4.220.0030.01316.52
7.4.210.0070.00716.50
7.4.200.0000.00816.39
7.4.160.0160.00016.27
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0130.00616.54
7.4.120.0080.00816.63
7.4.110.0110.01116.61
7.4.100.0030.01616.39
7.4.90.0090.00616.51
7.4.80.0120.01319.39
7.4.70.0110.01416.48
7.4.60.0000.01916.38
7.4.50.0000.00516.27
7.4.40.0100.00716.65
7.4.30.0120.00316.42
7.4.10.0090.00914.89
7.4.00.0070.00914.94
7.3.330.0000.00613.05
7.3.320.0030.00313.23
7.3.310.0030.00316.19
7.3.300.0030.00316.14
7.3.290.0130.00016.27
7.3.280.0070.01116.23
7.3.270.0070.01017.40
7.3.260.0100.00716.39
7.3.250.0070.01416.44
7.3.240.0140.01016.40
7.3.230.0090.00916.56
7.3.210.0060.01016.31
7.3.200.0100.01019.39
7.3.190.0120.00416.48
7.3.180.0070.01416.38
7.3.170.0090.00616.33
7.3.160.0070.01016.42
7.3.130.0110.00714.58
7.3.120.0060.01014.87
7.3.110.0100.00614.69
7.3.100.0040.01214.72
7.3.90.0030.00614.75
7.3.80.0030.00715.00
7.3.70.0000.01414.58
7.3.60.0100.00714.81
7.3.50.0130.00314.85
7.3.40.0030.00814.88
7.3.30.0060.00914.86
7.3.20.0030.01016.55
7.3.10.0070.00716.58
7.3.00.0030.00916.52
7.2.330.0130.00316.50
7.2.320.0100.01016.21
7.2.310.0040.01316.23
7.2.300.0100.00716.32
7.2.290.0080.01416.21
7.2.260.0060.00914.80
7.2.250.0030.01315.07
7.2.240.0140.00014.60
7.2.230.0000.01114.81
7.2.220.0000.01014.61
7.2.210.0030.00914.86
7.2.200.0040.01114.72
7.2.190.0030.00714.83
7.2.180.0100.00014.60
7.2.170.0090.00614.84
7.2.160.0040.01114.98
7.2.150.0070.00316.85
7.2.140.0090.00616.77
7.2.130.0070.00716.48
7.2.120.0070.00416.89
7.2.110.0090.00616.98
7.2.100.0110.00716.61
7.2.90.0000.01816.83
7.2.80.0070.00916.80
7.2.70.0030.01116.98
7.2.60.0090.00616.66
7.2.50.0040.00716.77
7.2.40.0030.01016.60
7.2.30.0100.00016.86
7.2.20.0040.01116.71
7.2.10.0070.00716.75
7.2.00.0060.00818.06
7.1.330.0070.00715.52
7.1.320.0060.01015.84
7.1.310.0070.00715.95
7.1.300.0000.01415.62
7.1.290.0050.00315.73
7.1.280.0000.01315.78
7.1.270.0030.00615.76
7.1.260.0000.01015.62
7.1.250.0110.00415.61
7.1.240.0070.00715.49
7.1.230.0090.00415.79
7.1.220.0100.00715.75
7.1.210.0130.00015.47
7.1.200.0050.00715.52
7.1.190.0090.00615.71
7.1.180.0030.00715.82
7.1.170.0000.01515.73
7.1.160.0040.01215.76
7.1.150.0040.01115.75
7.1.140.0110.00415.56
7.1.130.0070.00715.66
7.1.120.0000.01315.79
7.1.110.0030.00915.41
7.1.100.0060.00916.72
7.1.90.0030.00615.56
7.1.80.0070.00715.88
7.1.70.0020.00616.30
7.1.60.0080.00817.78
7.1.50.0070.01016.34
7.1.40.0100.00315.54
7.1.30.0060.00315.48
7.1.20.0030.00615.75
7.1.10.0090.00315.64
7.1.00.0040.04419.06
7.0.330.0000.01315.27
7.0.320.0100.00615.23
7.0.310.0050.00815.36
7.0.300.0000.01415.34
7.0.290.0060.00815.36
7.0.280.0060.00815.02
7.0.270.0070.01315.28
7.0.260.0080.00815.38
7.0.250.0040.01015.49
7.0.240.0110.00015.55
7.0.230.0080.00515.30
7.0.220.0100.00315.14
7.0.210.0030.00815.30
7.0.200.0050.00715.81
7.0.190.0000.01415.27
7.0.180.0040.01215.06
7.0.170.0030.00615.28
7.0.160.0000.01115.40
7.0.150.0080.00415.15
7.0.140.0050.04218.76
7.0.130.0040.01115.22
7.0.120.0030.00614.93
7.0.110.0000.01115.40
7.0.100.0090.00315.40
7.0.90.0040.00715.45
7.0.80.0060.00915.23
7.0.70.0050.00315.48
7.0.60.0070.03417.57
7.0.50.0070.04316.60
7.0.40.0030.04016.74
7.0.30.0130.03316.79
7.0.20.0200.04016.64
7.0.10.0030.02716.79
7.0.00.0050.04516.76
5.6.400.0000.00914.42
5.6.390.0070.00314.39
5.6.380.0030.00614.31
5.6.370.0060.00614.29
5.6.360.0060.00914.51
5.6.350.0030.00914.18
5.6.340.0080.00813.91
5.6.330.0060.00914.21
5.6.320.0070.00814.39
5.6.310.0060.00714.15
5.6.300.0030.00714.47
5.6.290.0080.00814.20
5.6.280.0100.03517.75
5.6.270.0040.00714.13
5.6.260.0120.00014.22
5.6.250.0030.01314.06
5.6.240.0060.00314.25
5.6.230.0070.01014.14
5.6.220.0040.00814.48
5.6.210.0020.02417.39
5.6.200.0100.04316.13
5.6.190.0050.02517.34
5.6.180.0150.02517.34
5.6.170.0150.02017.26
5.6.160.0050.02917.32
5.6.150.0060.03416.24
5.6.140.0080.04116.23
5.6.130.0050.04616.23
5.6.120.0050.02717.56
5.6.110.0080.04517.61
5.6.100.0060.04117.69
5.6.90.0100.03917.49
5.6.80.0050.04717.29
5.6.70.2240.02017.39
5.6.60.0070.00713.83
5.6.50.0070.01113.89
5.6.40.0040.01114.25
5.6.30.0040.01214.00
5.6.20.0070.00713.96
5.6.10.0060.00314.07
5.6.00.0090.00614.09
5.5.380.0000.01414.16
5.5.370.0080.00614.23
5.5.360.0080.00413.96
5.5.350.0070.03317.34
5.5.340.0030.02716.05
5.5.330.0150.02517.21
5.5.320.0160.03017.17
5.5.310.0050.02917.24
5.5.300.0040.02216.06
5.5.290.0080.04316.00
5.5.280.0080.03817.42
5.5.270.0070.04717.29
5.5.260.0060.03817.33
5.5.250.0070.04017.37
5.5.240.0150.04317.21
5.5.230.0070.00713.99
5.5.220.0030.01014.14
5.5.210.0000.01313.99
5.5.200.0080.00814.20
5.5.190.0000.01414.25
5.5.180.0040.00813.90
5.5.170.0150.00314.05
5.5.160.0110.00714.20
5.5.150.0090.00314.24
5.5.140.0060.00614.19
5.5.130.0000.01513.86
5.5.120.0120.00313.72
5.5.110.0060.00914.02
5.5.100.0070.00714.29
5.5.90.0050.00313.82
5.5.80.0040.01114.14
5.5.70.0040.01113.91
5.5.60.0060.00913.85
5.5.50.0070.00714.00
5.5.40.0000.01213.63
5.5.30.0000.01414.19
5.5.20.0000.01314.11
5.5.10.0040.01113.88
5.5.00.0070.00713.94
5.4.450.0590.02316.36
5.4.440.0290.02722.71
5.4.430.0070.02522.71
5.4.420.0180.02522.71
5.4.410.0320.02722.71
5.4.400.0050.02022.71
5.4.390.0130.02422.05
5.4.380.0080.02715.85
5.4.370.0130.02615.88
5.4.360.0050.03215.96
5.4.350.0020.03515.85
5.4.340.0050.03015.90
5.4.330.0090.00013.24
5.4.320.0050.02612.87
5.4.310.0040.02512.87
5.4.300.0070.02312.87
5.4.290.0050.02412.87
5.4.280.0060.02112.82
5.4.270.0130.02112.82
5.4.260.0070.02712.82
5.4.250.0090.02712.82
5.4.240.0040.03012.82
5.4.230.0090.02612.82
5.4.220.0080.02612.81
5.4.210.0090.02512.82
5.4.200.0070.02912.81
5.4.190.0080.02612.81
5.4.180.0090.03812.81
5.4.170.0040.03512.82
5.4.160.0100.03712.82
5.4.150.0140.03412.82
5.4.140.0080.02912.65
5.4.130.0080.02712.65
5.4.120.0080.02512.63
5.4.110.0040.02812.63
5.4.100.0060.02512.63
5.4.90.0050.03012.63
5.4.80.0080.03412.63
5.4.70.0110.03512.63
5.4.60.0090.02312.63
5.4.50.0080.02212.62
5.4.40.0040.02612.62
5.4.30.0120.02712.62
5.4.20.0050.03112.62
5.4.10.0100.04012.62
5.4.00.0060.02712.36
5.3.290.0070.02413.02
5.3.280.0150.05112.98
5.3.270.0070.03712.98
5.3.260.0070.03612.98
5.3.250.0110.04912.98
5.3.240.0140.03512.98
5.3.230.0050.02912.97
5.3.220.0050.02512.96
5.3.210.0070.02612.96
5.3.200.0090.03212.96
5.3.190.0080.03312.96
5.3.180.0110.04512.96
5.3.170.0090.03112.95
5.3.160.0090.02812.96
5.3.150.0080.03812.96
5.3.140.0070.03712.95
5.3.130.0070.03012.95
5.3.120.0110.03612.95
5.3.110.0120.03912.95
5.3.100.0080.02512.68
5.3.90.0070.02712.67
5.3.80.0070.02812.67
5.3.70.0050.02712.67
5.3.60.0090.03212.66
5.3.50.0050.03212.63
5.3.40.0080.04912.64
5.3.30.0050.04712.61
5.3.20.0090.04512.50
5.3.10.0050.02812.48
5.3.00.0070.02812.48
5.2.170.0120.0389.21
5.2.160.0080.0419.21
5.2.150.0070.0449.21
5.2.140.0090.0409.21
5.2.130.0090.0409.17
5.2.120.0080.0419.16
5.2.110.0090.0389.17
5.2.100.0090.0369.17
5.2.90.0080.0409.17
5.2.80.0060.0459.16
5.2.70.0110.0429.16
5.2.60.0090.0399.12
5.2.50.0120.0369.09
5.2.40.0090.0369.07
5.2.30.0070.0419.04
5.2.20.0110.0349.04
5.2.10.0090.0368.94
5.2.00.0050.0418.80
5.1.60.0080.0328.08
5.1.50.0060.0378.07
5.1.40.0050.0348.05
5.1.30.0060.0368.41
5.1.20.0090.0368.43
5.1.10.0060.0358.15
5.1.00.0060.0328.15
5.0.50.0030.0266.63
5.0.40.0050.0266.50
5.0.30.0050.0366.30
5.0.20.0060.0216.27
5.0.10.0040.0256.26
5.0.00.0050.0366.25
4.4.90.0030.0204.78
4.4.80.0080.0184.75
4.4.70.0050.0194.75
4.4.60.0060.0254.75
4.4.50.0030.0244.77
4.4.40.0040.0284.71
4.4.30.0040.0204.76
4.4.20.0030.0194.84
4.4.10.0020.0204.85
4.4.00.0050.0274.76
4.3.110.0020.0214.67
4.3.100.0040.0184.66
4.3.90.0040.0164.64
4.3.80.0030.0284.58
4.3.70.0050.0164.63
4.3.60.0030.0164.63
4.3.50.0040.0164.63
4.3.40.0050.0254.54
4.3.30.0060.0163.30
4.3.20.0050.0153.27
4.3.10.0040.0163.24
4.3.00.0070.01330.86

preferences:
43.02 ms | 400 KiB | 5 Q