3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a () { return [[1,2], [3, 4]]; } $a = a(); var_dump($a[0][1]); $a = [[1,2], [3, 4]]; var_dump($a[0][1]);

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)
8.3.60.0120.00318.43
8.3.50.0140.00922.11
8.3.40.0040.01118.70
8.3.30.0090.00618.61
8.3.20.0050.00318.64
8.3.10.0050.00320.50
8.3.00.0040.00423.48
8.2.180.0100.00316.75
8.2.170.0090.00622.96
8.2.160.0140.00020.38
8.2.150.0090.00924.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.18
8.2.110.0100.00020.87
8.2.100.0120.00017.78
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0000.00718.04
8.2.50.0080.00018.07
8.2.40.0070.00318.09
8.2.30.0040.00419.91
8.2.20.0000.00717.55
8.2.10.0040.00417.55
8.2.00.0000.00817.58
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0160.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.54
8.1.230.0070.00420.91
8.1.220.0050.00318.77
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.42
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0000.00718.76
8.1.150.0000.00718.55
8.1.140.0000.00717.25
8.1.130.0000.00717.76
8.1.120.0000.00717.29
8.1.110.0030.00617.42
8.1.100.0050.00217.30
8.1.90.0040.00417.29
8.1.80.0000.00817.29
8.1.70.0000.00717.38
8.1.60.0000.00917.46
8.1.50.0070.00017.48
8.1.40.0040.00417.44
8.1.30.0040.00417.68
8.1.20.0040.00417.59
8.1.10.0000.00717.55
8.1.00.0040.00417.41
8.0.300.0000.00719.98
8.0.290.0030.00616.63
8.0.280.0000.00718.36
8.0.270.0070.00017.19
8.0.260.0060.00016.67
8.0.250.0060.00316.91
8.0.240.0050.00516.88
8.0.230.0030.00316.85
8.0.220.0000.00716.84
8.0.210.0040.00416.69
8.0.200.0000.00616.91
8.0.190.0030.00316.84
8.0.180.0070.00016.86
8.0.170.0030.00516.74
8.0.160.0070.00016.87
8.0.150.0080.00016.71
8.0.140.0000.00916.75
8.0.130.0090.00013.31
8.0.120.0040.00416.75
8.0.110.0040.00416.65
8.0.100.0000.00716.86
8.0.90.0070.00016.86
8.0.80.0160.00016.71
8.0.70.0000.00816.89
8.0.60.0000.00716.92
8.0.50.0000.00716.79
8.0.30.0200.00217.04
8.0.20.0100.00917.40
8.0.10.0000.00716.83
8.0.00.0110.01216.57
7.4.330.0000.00514.78
7.4.320.0000.00616.43
7.4.300.0000.00716.40
7.4.290.0030.00316.57
7.4.280.0040.00416.50
7.4.270.0000.00616.58
7.4.260.0090.00013.32
7.4.250.0070.00016.39
7.4.240.0050.00216.51
7.4.230.0000.00716.29
7.4.220.0030.01316.50
7.4.210.0060.01016.58
7.4.200.0000.00816.54
7.4.190.0040.00416.68
7.4.160.0120.00616.42
7.4.150.0060.01117.40
7.4.140.0110.00617.86
7.4.130.0140.00616.47
7.4.120.0040.01416.37
7.4.110.0100.00716.39
7.4.100.0050.01116.38
7.4.90.0040.01316.35
7.4.80.0170.00519.37
7.4.70.0110.00416.34
7.4.60.0130.00416.28
7.4.50.0000.00616.38
7.4.40.0090.00622.27
7.4.30.0130.00316.49
7.4.00.0060.00914.92
7.3.330.0050.00013.17
7.3.320.0050.00013.09
7.3.310.0070.00016.15
7.3.300.0000.00716.12
7.3.290.0000.01416.25
7.3.280.0090.01016.33
7.3.270.0130.00317.40
7.3.260.0130.00718.24
7.3.250.0150.00616.49
7.3.240.0060.01216.16
7.3.230.0140.00316.42
7.3.210.0160.00016.26
7.3.200.0130.01019.39
7.3.190.0070.01416.27
7.3.180.0100.00716.07
7.3.170.0100.01016.56
7.3.160.0000.01516.62
7.3.120.0100.00714.95
7.2.330.0060.01316.81
7.2.320.0130.00316.55
7.2.310.0070.01116.45
7.2.300.0060.00916.64
7.2.290.0090.01616.32
7.2.60.0030.01016.50
7.2.00.0070.00719.11
7.1.200.0030.00915.69
7.1.100.0000.01118.15
7.1.70.0000.00717.24
7.1.60.0160.00919.40
7.1.50.0000.01116.94
7.1.00.0000.07022.37
7.0.200.0180.00414.61
7.0.140.0070.07321.99
7.0.60.0030.07721.53
7.0.50.0070.07722.14
7.0.40.0100.07320.03
7.0.30.0070.08320.18
7.0.20.0000.08320.04
7.0.10.0030.07020.00
7.0.00.0070.08020.04
5.6.280.0000.07321.04
5.6.210.0000.07720.70
5.6.200.0030.08320.95
5.6.190.0100.07320.94
5.6.180.0070.08021.04
5.6.170.0100.07321.11
5.6.160.0030.06721.04
5.6.150.0030.06721.05
5.6.140.0070.08021.13
5.6.130.0100.08021.03
5.6.120.0070.06020.92
5.6.110.0030.08021.03
5.6.100.0170.06321.04
5.6.90.0030.08320.99
5.6.80.0200.06720.55
5.6.70.0070.05720.33
5.6.60.0100.07020.54
5.6.50.0100.06720.41
5.6.40.0070.05020.40
5.6.30.0030.08020.37
5.6.20.0100.06720.46
5.6.10.0030.06320.29
5.6.00.0100.07720.42
5.5.350.0030.08320.28
5.5.340.0030.08020.82
5.5.330.0030.08020.89
5.5.320.0130.06720.79
5.5.310.0030.08320.89
5.5.300.0070.08320.89
5.5.290.0000.09020.89
5.5.280.0030.05020.79
5.5.270.0000.08720.78
5.5.260.0070.06720.81
5.5.250.0100.07020.71
5.5.240.0100.07320.25
5.5.230.0100.05720.20
5.5.220.0070.06020.13
5.5.210.0100.05020.30
5.5.200.0030.07720.12
5.5.190.0030.08320.14
5.5.180.0130.05720.14
5.5.160.0030.07719.99
5.5.150.0070.07320.09
5.5.140.0030.08020.11
5.5.130.0000.06720.21
5.5.120.0030.07720.27
5.5.110.0070.07720.20
5.5.100.0070.07319.95
5.5.90.0030.07720.07
5.5.80.0030.07720.07
5.5.70.0100.07320.14
5.5.60.0100.07019.93
5.5.50.0070.05320.05
5.5.40.0000.07020.14
5.5.30.0100.07020.13
5.5.20.0100.07019.98
5.5.10.0030.08020.10
5.5.00.0070.07319.99
5.4.450.0030.08019.23
5.4.440.0030.06019.36
5.4.430.0070.07019.48
5.4.420.0070.07719.34
5.4.410.0070.07719.05
5.4.400.0000.08018.90
5.4.390.0000.08019.12
5.4.380.0070.07719.04
5.4.370.0030.07019.04
5.4.360.0070.06719.13
5.4.350.0100.07319.04
5.4.340.0000.06718.87
5.4.320.0030.07719.16
5.4.310.0070.07318.94
5.4.300.0000.07719.20
5.4.290.0030.06019.03
5.4.280.0030.07318.89
5.4.270.0070.07718.87
5.4.260.0000.07719.02
5.4.250.0000.07719.03
5.4.240.0000.07719.19
5.4.230.0000.07719.20
5.4.220.0000.08019.03
5.4.210.0100.06719.08
5.4.200.0100.07318.93
5.4.190.0070.06719.03
5.4.180.0030.08319.12
5.4.170.0070.06719.21
5.4.160.0000.04719.10
5.4.150.0000.04019.12
5.4.140.0000.03716.36
5.4.130.0030.03316.43
5.4.120.0100.02716.27
5.4.110.0000.03016.43
5.4.100.0000.03016.48
5.4.90.0070.02716.46
5.4.80.0000.03016.39
5.4.70.0000.03716.48
5.4.60.0070.03016.48
5.4.50.0030.03316.48
5.4.40.0000.03716.45
5.4.30.0070.07016.47
5.4.20.0000.03016.39
5.4.10.0030.04716.49
5.4.00.0030.03015.63
5.3.290.0000.08714.72
5.3.280.0000.07714.73
5.3.270.0070.06314.52
5.3.260.0000.06014.57
5.3.250.0000.03714.70
5.3.240.0000.03714.70
5.3.230.0000.04014.57
5.3.220.0000.03714.59
5.3.210.0000.03314.51
5.3.200.0000.03014.49
5.3.190.0030.03314.68
5.3.180.0030.03014.68
5.3.170.0000.03714.66
5.3.160.0000.03314.57
5.3.150.0000.04014.61
5.3.140.0030.03714.47
5.3.130.0030.07714.69
5.3.120.0000.04314.66
5.3.110.0030.04714.54
5.3.100.0000.04314.06
5.3.90.0000.03013.96
5.3.80.0030.03714.04
5.3.70.0030.03314.10
5.3.60.0030.03314.09
5.3.50.0000.04013.93
5.3.40.0000.03713.83
5.3.30.0000.04013.93
5.3.20.0070.03013.74
5.3.10.0000.03713.67
5.3.00.0030.02713.55
5.2.170.0030.02711.07
5.2.160.0000.02711.03
5.2.150.0030.02711.18
5.2.140.0030.03711.18
5.2.130.0000.03311.23
5.2.120.0000.02311.16
5.2.110.0000.02311.08
5.2.100.0030.02011.02
5.2.90.0030.02011.20
5.2.80.0000.02311.11
5.2.70.0000.02311.21
5.2.60.0000.02311.11
5.2.50.0000.02311.07
5.2.40.0000.02311.04
5.2.30.0000.02310.98
5.2.20.0030.03010.98
5.2.10.0000.02310.98
5.2.00.0000.03010.62
5.1.60.0000.02710.10
5.1.50.0000.02010.04
5.1.40.0000.02310.04
5.1.30.0000.05310.43
5.1.20.0030.05710.41
5.1.10.0030.05310.18
5.1.00.0000.03310.18
5.0.50.0000.03710.03
5.0.40.0000.05010.03
5.0.30.0030.06310.03
5.0.20.0000.04710.03
5.0.10.0000.04710.03
5.0.00.0030.06310.03
4.4.90.0030.01010.03
4.4.80.0000.01010.03
4.4.70.0000.01310.03
4.4.60.0000.01010.03
4.4.50.0000.01310.03
4.4.40.0070.02010.03
4.4.30.0000.01710.03
4.4.20.0030.03310.03
4.4.10.0030.03010.03
4.4.00.0000.05010.03
4.3.110.0000.03710.03
4.3.100.0000.03010.03
4.3.90.0000.03710.03
4.3.80.0030.05310.03
4.3.70.0070.03010.03
4.3.60.0000.03710.03
4.3.50.0030.03310.03
4.3.40.0000.05310.03
4.3.30.0000.03310.03
4.3.20.0000.04010.03
4.3.10.0000.03710.03
4.3.00.0030.03310.03

preferences:
58.16 ms | 400 KiB | 5 Q