3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abc'; var_dump($str['x']);

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)
8.3.40.0120.00618.95
8.3.30.0040.01118.58
8.3.20.0040.00418.48
8.3.10.0090.00018.82
8.3.00.0060.00319.38
8.2.170.0090.00618.85
8.2.160.0000.01422.96
8.2.150.0060.00325.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0030.00721.11
8.2.100.0060.00619.45
8.2.90.0050.00317.63
8.2.80.0060.00318.92
8.2.70.0040.00417.63
8.2.60.0040.00417.63
8.2.50.0000.00817.75
8.2.40.0030.00617.63
8.2.30.0090.00017.73
8.2.20.0090.00017.75
8.2.10.0090.00017.70
8.2.00.0070.00017.79
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00519.61
8.1.230.0080.00420.83
8.1.220.0040.00418.57
8.1.210.0060.00318.77
8.1.200.0040.00417.63
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0080.00017.62
8.1.160.0050.00318.44
8.1.150.0050.00218.62
8.1.140.0040.00417.39
8.1.130.0040.00419.21
8.1.120.0000.00717.38
8.1.110.0050.00317.38
8.1.100.0030.00317.31
8.1.90.0040.00417.41
8.1.80.0050.00317.38
8.1.70.0080.00017.40
8.1.60.0000.00817.51
8.1.50.0000.00717.34
8.1.40.0000.00917.41
8.1.30.0070.00317.53
8.1.20.0050.00517.61
8.1.10.0000.00717.53
8.1.00.0000.00817.45
8.0.300.0000.00720.01
8.0.290.0040.00416.75
8.0.280.0040.00417.98
8.0.270.0030.00317.24
8.0.260.0030.00316.80
8.0.250.0070.00016.85
8.0.240.0080.00016.87
8.0.230.0040.00416.85
8.0.220.0030.00516.85
8.0.210.0030.00316.93
8.0.200.0000.00716.98
8.0.190.0000.00817.00
8.0.180.0040.00416.90
8.0.170.0030.00616.90
8.0.160.0030.00616.84
8.0.150.0040.00416.91
8.0.140.0040.00416.85
8.0.130.0030.00313.35
8.0.120.0050.00316.78
8.0.110.0000.00716.71
8.0.100.0000.00716.94
8.0.90.0070.00016.84
8.0.80.0000.01416.84
8.0.70.0000.00716.92
8.0.60.0040.00416.77
8.0.50.0040.00416.66
8.0.30.0100.01017.21
8.0.20.0090.01117.10
8.0.10.0040.00416.95
8.0.00.0150.00416.82
7.4.330.0000.00512.95
7.4.320.0030.00316.43
7.4.300.0000.00616.55
7.4.290.0000.00716.52
7.4.280.0060.00316.43
7.4.270.0000.00716.34
7.4.260.0030.00313.19
7.4.250.0090.00016.43
7.4.240.0000.00716.41
7.4.230.0030.00316.50
7.4.220.0120.00616.49
7.4.210.0090.00616.45
7.4.200.0030.00316.61
7.4.190.0030.00516.59
7.4.160.0060.01116.41
7.4.150.0180.00616.46
7.4.140.0100.01317.86
7.4.130.0120.00816.35
7.4.120.0130.00316.32
7.4.110.0090.00916.52
7.4.100.0070.01016.48
7.4.90.0100.00716.33
7.4.80.0070.01119.39
7.4.70.0000.01616.54
7.4.60.0060.00916.46
7.4.50.0030.00316.26
7.4.40.0070.00716.38
7.4.30.0030.01316.50
7.4.00.0060.01114.74
7.3.330.0000.00712.98
7.3.320.0030.00313.04
7.3.310.0050.00216.26
7.3.300.0030.00316.13
7.3.290.0020.01316.27
7.3.280.0000.01616.22
7.3.270.0090.00916.38
7.3.260.0110.00616.28
7.3.240.0110.00816.22
7.3.230.0080.00916.50
7.3.210.0090.00616.22
7.3.200.0070.01016.20
7.3.190.0060.00916.71
7.3.180.0100.01016.20
7.3.170.0070.01316.27
7.3.160.0070.01016.36
7.3.120.0030.01414.81
7.3.110.0030.01314.70
7.3.100.0000.01614.91
7.3.90.0070.00714.54
7.3.80.0100.00714.75
7.3.70.0090.00014.82
7.3.60.0070.01014.81
7.3.50.0070.00714.66
7.3.40.0030.00714.78
7.3.30.0000.01414.62
7.3.20.0100.00016.64
7.3.10.0100.00316.64
7.3.00.0000.00916.48
7.2.330.0100.01116.57
7.2.320.0150.00916.50
7.2.310.0070.01016.45
7.2.300.0120.01216.54
7.2.290.0150.00416.27
7.2.250.0070.01114.71
7.2.240.0070.01315.03
7.2.230.0030.01014.82
7.2.220.0040.01114.87
7.2.210.0000.01514.82
7.2.200.0000.01314.83
7.2.190.0040.00714.87
7.2.180.0090.00914.83
7.2.170.0030.01014.95
7.2.60.0030.00916.37
7.2.10.0680.01417.87
7.2.00.0240.00918.27
7.1.330.0040.00915.61
7.1.320.0000.01215.87
7.1.310.0100.00615.90
7.1.300.0090.00015.95
7.1.290.0030.00615.69
7.1.280.0040.01215.46
7.1.270.0070.01015.93
7.1.260.0040.00915.63
7.1.200.0060.00315.87
7.1.130.0450.01016.92
7.1.120.0410.01516.75
7.1.110.0430.00916.14
7.1.100.0360.00916.05
7.1.90.0310.01816.29
7.1.80.0370.01415.80
7.1.70.0270.00616.25
7.1.60.0250.01626.23
7.1.50.0240.01524.92
7.1.40.0350.01932.52
7.1.30.2280.00932.54
7.1.20.0380.01332.64
7.1.10.0240.00914.61
7.1.00.0120.03418.72
7.0.270.0490.01216.21
7.0.260.0390.01116.39
7.0.250.0410.01115.62
7.0.240.0310.00915.79
7.0.230.0400.01815.77
7.0.220.0500.01015.55
7.0.210.0220.01314.67
7.0.200.0180.01215.72
7.0.190.0340.01114.64
7.0.180.0330.00914.32
7.0.170.0610.01414.14
7.0.160.0260.01714.20
7.0.150.0200.00914.20
7.0.140.0110.04018.23
7.0.130.0230.01314.81
7.0.120.0150.04318.31
7.0.110.0180.01514.27
7.0.100.0330.00614.22
7.0.90.0250.01114.44
7.0.80.0260.00814.36
7.0.70.0070.01814.27
7.0.60.0140.04717.08
7.0.50.0160.04616.28
7.0.40.0140.04617.50
7.0.30.0260.01917.40
7.0.20.0260.04617.29
7.0.10.0280.03717.32
7.0.00.0100.04917.36
5.6.300.0090.07920.77
5.6.290.0150.07620.53
5.6.280.0190.06621.05
5.6.270.0180.07520.89
5.6.260.0390.05020.76
5.6.250.0200.06620.78
5.6.240.0210.06520.81
5.6.230.0110.08020.70
5.6.220.0110.06720.92
5.6.210.0080.07520.71
5.6.200.0200.05119.43
5.6.190.0130.07820.82
5.6.180.0110.05420.60
5.6.170.0210.06720.69
5.6.160.0150.05420.72
5.6.150.0130.06219.45
5.6.140.0100.08119.47
5.6.130.0150.07219.50
5.6.120.0100.08420.98
5.6.110.0100.05820.79
5.6.100.0080.07420.88
5.6.90.0100.06420.88
5.6.80.0140.06520.29
5.6.70.0180.06520.25
5.6.60.0030.08920.24
5.6.50.0170.05920.19
5.6.40.0110.07620.06
5.6.30.0130.07320.17
5.6.20.0170.07220.03
5.6.10.0060.06720.32
5.6.00.0150.08520.04
5.5.380.0120.06117.41
5.5.370.0130.07517.50
5.5.360.0100.06117.46
5.5.350.0220.05218.91
5.5.340.0120.06017.97
5.5.330.0090.05819.23
5.5.320.0090.06519.17
5.5.310.0200.06519.08
5.5.300.0160.07417.96
5.5.290.0130.06617.83
5.5.280.0090.07419.34
5.5.270.0090.06819.35
5.5.260.0090.05819.45
5.5.250.0100.06819.05
5.5.240.0280.07018.72
5.5.230.0100.05717.35
5.5.220.0140.06817.30
5.5.210.0270.05017.31
5.5.200.0160.05117.31
5.5.190.0230.06017.32
5.5.180.0200.07517.15
5.5.160.0260.05817.14
5.5.150.0270.04117.07
5.5.140.0070.07517.09
5.5.130.0080.06017.14
5.5.120.0250.05817.32
5.5.110.0130.07117.22
5.5.100.0230.05917.20
5.5.90.0130.05817.15
5.5.80.0170.05717.02
5.5.70.0090.06317.31
5.5.60.0200.05717.04
5.5.50.0160.06317.21
5.5.40.0150.06417.21
5.5.30.0100.07117.20
5.5.20.0160.06817.17
5.5.10.0120.05317.12
5.5.00.0230.06117.02
5.4.450.0070.06819.21
5.4.440.0130.06219.39
5.4.430.0040.06519.37
5.4.420.0190.06719.38
5.4.410.0090.05419.25
5.4.400.0100.05418.92
5.4.390.0170.04418.86
5.4.380.0070.07319.11
5.4.370.0230.06019.02
5.4.360.0150.06219.05
5.4.350.0050.06819.10
5.4.340.0080.05418.91
5.4.320.0060.06819.11
5.4.310.0110.06019.10
5.4.300.0120.07619.08
5.4.290.0030.07719.06
5.4.280.0100.05618.89
5.4.270.0100.05019.02
5.4.260.0100.06219.06
5.4.250.0100.05819.15
5.4.240.0150.06519.08
5.4.230.0150.06118.94
5.4.220.0130.07818.93
5.4.210.0130.06119.08
5.4.200.0020.05219.00
5.4.190.0160.06619.00
5.4.180.0080.06518.98
5.4.170.0110.06518.90
5.4.160.0080.06418.94
5.4.150.0120.06518.98
5.4.140.0080.05216.27
5.4.130.0080.04616.43
5.4.120.0090.04216.37
5.4.110.0070.06816.31
5.4.100.0070.07316.35
5.4.90.0120.04616.50
5.4.80.0080.04316.38
5.4.70.0100.05216.32
5.4.60.0100.06116.46
5.4.50.0110.04616.32
5.4.40.0100.05616.29
5.4.30.0070.06916.38
5.4.20.0060.07116.39
5.4.10.0030.07216.41
5.4.00.0070.06015.86
5.3.290.0100.05114.69
5.3.280.0100.05514.62
5.3.270.0200.06214.53
5.3.260.0020.06614.66
5.3.250.0100.06614.63
5.3.240.0080.06914.63
5.3.230.0110.04914.59
5.3.220.0120.05814.46
5.3.210.0090.06414.62
5.3.200.0060.05414.48
5.3.190.0130.06014.70
5.3.180.0080.05514.56
5.3.170.0100.04514.51
5.3.160.0070.04614.60
5.3.150.0150.05814.51
5.3.140.0080.05414.60
5.3.130.0080.06314.42
5.3.120.0080.07114.60
5.3.110.0070.05514.49
5.3.100.0090.05114.04
5.3.90.0030.04814.01
5.3.80.0130.05014.10
5.3.70.0080.07114.00
5.3.60.0030.05413.82
5.3.50.0150.06213.99
5.3.40.0120.05813.82
5.3.30.0140.05913.95
5.3.20.0050.06213.59
5.3.10.0060.04713.61
5.3.00.0120.05513.67
5.2.170.0090.04511.20
5.2.160.0040.04311.20
5.2.150.0130.04511.04
5.2.140.0050.05411.21
5.2.130.0000.05411.14
5.2.120.0060.05111.11
5.2.110.0030.05511.03
5.2.100.0080.04811.16
5.2.90.0060.04511.20
5.2.80.0070.03711.07
5.2.70.0030.05911.07
5.2.60.0070.06111.15
5.2.50.0030.04411.06
5.2.40.0050.04510.93
5.2.30.0060.04410.99
5.2.20.0050.05611.01
5.2.10.0050.05010.91
5.2.00.0080.04710.80
5.1.60.0030.0479.89
5.1.50.0090.04110.07
5.1.40.0080.0339.88
5.1.30.0050.04410.54
5.1.20.0020.03710.26
5.1.10.0070.03010.21
5.1.00.0030.05110.21
5.0.50.0030.0328.86
5.0.40.0100.0318.85
5.0.30.0080.0508.74
5.0.20.0000.0468.71
5.0.10.0020.0248.71
5.0.00.0020.0478.66
4.4.90.0020.0228.63
4.4.80.0080.0278.63
4.4.70.0030.0318.63
4.4.60.0020.0208.63
4.4.50.0050.0228.63
4.4.40.0000.0408.63
4.4.30.0030.0188.63
4.4.20.0020.0238.63
4.4.10.0030.0288.63
4.4.00.0080.0368.63
4.3.110.0020.0228.63
4.3.100.0050.0248.63
4.3.90.0050.0248.63
4.3.80.0060.0328.63
4.3.70.0050.0288.63
4.3.60.0040.0208.63
4.3.50.0040.0208.63
4.3.40.0050.0338.63
4.3.30.0040.0278.63
4.3.20.0030.0298.63
4.3.10.0000.0318.63
4.3.00.0080.0278.63

preferences:
44.8 ms | 400 KiB | 5 Q