3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1); $b = &$a[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)
8.3.40.0150.00018.84
8.3.30.0100.00319.04
8.3.20.0040.00420.25
8.3.10.0040.00423.69
8.3.00.0080.00019.14
8.2.170.0100.00722.96
8.2.160.0120.00420.32
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0170.00026.16
8.2.120.0050.00319.36
8.2.110.0140.00420.88
8.2.100.0110.00017.84
8.2.90.0030.00517.82
8.2.80.0030.00617.97
8.2.70.0000.01117.63
8.2.60.0040.00717.80
8.2.50.0000.00918.07
8.2.40.0030.00520.07
8.2.30.0000.01118.35
8.2.20.0040.00417.58
8.2.10.0000.00818.06
8.2.00.0060.00317.75
8.1.270.0060.00322.20
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.52
8.1.230.0030.00720.95
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.00
8.1.180.0050.00318.10
8.1.170.0080.00018.31
8.1.160.0000.00721.89
8.1.150.0050.00518.55
8.1.140.0030.00617.39
8.1.130.0000.00817.85
8.1.120.0040.00417.36
8.1.110.0000.00817.42
8.1.100.0030.00617.41
8.1.90.0000.00717.39
8.1.80.0030.00517.37
8.1.70.0000.00717.34
8.1.60.0040.00417.51
8.1.50.0050.00317.37
8.1.40.0060.00317.29
8.1.30.0030.00617.59
8.1.20.0000.00817.43
8.1.10.0060.00317.38
8.1.00.0080.00017.31
8.0.300.0040.00419.87
8.0.290.0040.00416.60
8.0.280.0030.00318.33
8.0.270.0040.00417.20
8.0.260.0060.00017.17
8.0.250.0000.00716.89
8.0.240.0030.00316.84
8.0.230.0000.00716.89
8.0.220.0030.00316.84
8.0.210.0030.00316.79
8.0.200.0060.00016.87
8.0.190.0050.00316.90
8.0.180.0030.00516.80
8.0.170.0050.00316.73
8.0.160.0040.00416.82
8.0.150.0080.00016.73
8.0.140.0000.00816.81
8.0.130.0030.00313.24
8.0.120.0070.00016.69
8.0.110.0040.00416.73
8.0.100.0000.00716.84
8.0.90.0030.00616.80
8.0.80.0100.01016.88
8.0.70.0040.00416.71
8.0.60.0000.00716.80
8.0.50.0070.00016.82
8.0.30.0120.00716.95
8.0.20.0110.00817.40
8.0.10.0040.00416.92
8.0.00.0130.00816.51
7.4.330.0040.00415.00
7.4.320.0030.00316.57
7.4.300.0060.00016.52
7.4.290.0070.00316.40
7.4.280.0070.00016.28
7.4.270.0030.00516.40
7.4.260.0030.00316.50
7.4.250.0030.00316.50
7.4.240.0040.00416.53
7.4.230.0070.00016.33
7.4.220.0110.00816.63
7.4.210.0070.00716.34
7.4.200.0000.00716.55
7.4.160.0230.00016.63
7.4.150.0190.00017.40
7.4.140.0100.00817.86
7.4.130.0110.00516.46
7.4.120.0070.00916.39
7.4.110.0040.01816.52
7.4.100.0130.00416.45
7.4.90.0100.00716.32
7.4.80.0060.01219.39
7.4.70.0030.01316.35
7.4.60.0130.01016.35
7.4.50.0040.00016.31
7.4.40.0100.00616.35
7.4.30.0070.01016.34
7.4.00.0100.00714.90
7.3.330.0060.00013.18
7.3.320.0030.00312.88
7.3.310.0000.00716.34
7.3.300.0030.00316.21
7.3.290.0160.00316.23
7.3.280.0090.00716.18
7.3.270.0030.01417.40
7.3.260.0140.01116.25
7.3.250.0120.00516.34
7.3.240.0080.00816.17
7.3.230.0120.01216.41
7.3.210.0140.00316.25
7.3.200.0080.00719.39
7.3.190.0080.00916.50
7.3.180.0060.00916.20
7.3.170.0060.00916.27
7.3.160.0120.00316.17
7.3.120.0040.01114.32
7.3.110.0060.00614.84
7.3.100.0110.00014.66
7.3.90.0000.01414.58
7.3.80.0060.01014.56
7.3.70.0100.00614.50
7.3.60.0060.00314.59
7.3.50.0040.00714.79
7.3.40.0140.00014.75
7.3.30.0060.00614.26
7.3.20.0100.00316.45
7.3.10.0030.00916.62
7.3.00.0060.00616.61
7.2.330.0140.00616.50
7.2.320.0080.00816.61
7.2.310.0030.01716.41
7.2.300.0140.00716.39
7.2.290.0060.01316.55
7.2.240.0070.00715.14
7.2.230.0070.01014.82
7.2.220.0110.00714.93
7.2.210.0070.01014.70
7.2.200.0000.01114.61
7.2.190.0060.00914.69
7.2.180.0060.00814.89
7.2.170.0030.01214.88
7.2.160.0110.00315.02
7.2.150.0040.01116.48
7.2.140.0070.00716.93
7.2.130.0140.00016.88
7.2.120.0030.01316.58
7.2.110.0060.00916.93
7.2.100.0060.00316.83
7.2.90.0060.01216.54
7.2.80.0070.00716.95
7.2.70.0070.01016.55
7.2.60.0030.00916.90
7.2.50.0090.00616.58
7.2.40.0070.01016.64
7.2.30.0070.00717.02
7.2.20.0040.01116.89
7.2.10.0070.01116.66
7.2.00.0110.01217.87
7.1.330.0140.00015.69
7.1.320.0000.01115.55
7.1.310.0150.00015.88
7.1.300.0120.00315.48
7.1.290.0110.00715.71
7.1.280.0000.01515.70
7.1.270.0130.00315.52
7.1.260.0060.00315.66
7.1.250.0030.01315.49
7.1.100.0110.01118.02
7.1.70.0070.01017.00
7.1.60.0000.02319.70
7.1.50.0030.02016.90
7.1.00.0030.07722.27
7.0.200.0030.00316.63
7.0.140.0000.06722.02
7.0.100.0070.04319.91
7.0.90.0170.03319.83
7.0.80.0100.03320.07
7.0.70.0070.05019.86
7.0.60.0200.06319.91
7.0.50.0070.08320.26
7.0.40.0170.06720.00
7.0.30.0070.08020.05
7.0.20.0300.06319.86
7.0.10.0170.07320.12
7.0.00.0030.07720.00
5.6.280.0030.07020.77
5.6.250.0070.04020.43
5.6.240.0030.06020.64
5.6.230.0070.05720.56
5.6.220.0030.04720.47
5.6.210.0100.03720.59
5.6.200.0070.06720.98
5.6.190.0000.07320.97
5.6.180.0100.06021.03
5.6.170.0070.08321.04
5.6.160.0070.08320.98
5.6.150.0070.05020.90
5.6.140.0100.06320.93
5.6.130.0100.04720.96
5.6.120.0100.08721.07
5.6.110.0070.05020.96
5.6.100.0100.07320.87
5.6.90.0170.08020.97
5.6.80.0030.05020.35
5.6.70.0170.07720.36
5.6.60.0070.07720.35
5.6.50.0130.07320.29
5.6.40.0070.07320.47
5.6.30.0070.05320.44
5.6.20.0200.06320.34
5.6.10.0100.08020.38
5.6.00.0030.08320.31
5.5.380.0070.03020.39
5.5.370.0070.03720.36
5.5.360.0070.04020.33
5.5.350.0070.06320.36
5.5.340.0030.07020.78
5.5.330.0070.08720.66
5.5.320.0100.04020.72
5.5.310.0070.05320.85
5.5.300.0130.06720.84
5.5.290.0100.07720.71
5.5.280.0100.08320.77
5.5.270.0070.07320.80
5.5.260.0030.06020.76
5.5.250.0070.05720.58
5.5.240.0130.06020.13
5.5.230.0070.05320.21
5.5.220.0100.08020.23
5.5.210.0030.07719.96
5.5.200.0030.07320.16
5.5.190.0030.04320.21
5.5.180.0130.06020.09
5.5.160.0000.07020.18
5.5.150.0070.07020.09
5.5.140.0100.07320.21
5.5.130.0130.07020.21
5.5.120.0170.07020.02
5.5.110.0100.07020.11
5.5.100.0070.07720.10
5.5.90.0170.06320.00
5.5.80.0100.07320.04
5.5.70.0130.07320.00
5.5.60.0030.07719.98
5.5.50.0070.08319.99
5.5.40.0100.06720.00
5.5.30.0030.04319.87
5.5.20.0070.08020.04
5.5.10.0170.06319.86
5.5.00.0100.07720.05
5.4.450.0070.06019.32
5.4.440.0070.07019.47
5.4.430.0070.07319.15
5.4.420.0070.04019.35
5.4.410.0030.07719.19
5.4.400.0100.07318.98
5.4.390.0070.07718.98
5.4.380.0100.08019.12
5.4.370.0070.07319.08
5.4.360.0100.07718.98
5.4.350.0100.06719.14
5.4.340.0170.07318.98
5.4.320.0030.06719.14
5.4.310.0070.07319.03
5.4.300.0070.07719.07
5.4.290.0000.05319.03
5.4.280.0130.07319.04
5.4.270.0130.06018.94
5.4.260.0130.07318.96
5.4.250.0130.07318.90
5.4.240.0070.07718.97
5.4.230.0000.06018.81
5.4.220.0070.08018.99
5.4.210.0000.06318.80
5.4.200.0070.08018.96
5.4.190.0230.05018.74
5.4.180.0070.07019.11
5.4.170.0130.07319.22
5.4.160.0100.06018.81
5.4.150.0100.06019.13
5.4.140.0070.07716.30
5.4.130.0070.07316.19
5.4.120.0100.06716.02
5.4.110.0100.04016.34
5.4.100.0070.06016.26
5.4.90.0100.07016.26
5.4.80.0130.06316.36
5.4.70.0070.07016.20
5.4.60.0070.07716.34
5.4.50.0070.07716.23
5.4.40.0170.06316.34
5.4.30.0070.07016.45
5.4.20.0030.07716.18
5.4.10.0100.03716.18
5.4.00.0100.07015.73
5.3.290.0100.07714.64
5.3.280.0100.08014.52
5.3.270.0100.03714.59
5.3.260.0030.06014.51
5.3.250.0100.04714.55
5.3.240.0000.08014.42
5.3.230.0030.06014.54
5.3.220.0000.05714.55
5.3.210.0100.04714.42
5.3.200.0030.08014.47
5.3.190.0030.07314.54
5.3.180.0100.07714.46
5.3.170.0070.05714.38
5.3.160.0070.05314.47
5.3.150.0030.06314.52
5.3.140.0030.04314.46
5.3.130.0130.07314.50
5.3.120.0070.08014.55
5.3.110.0030.07314.53
5.3.100.0100.07713.89
5.3.90.0070.06013.99
5.3.80.0070.07314.00
5.3.70.0000.08313.88
5.3.60.0030.04013.86
5.3.50.0100.06313.85
5.3.40.0070.05013.88
5.3.30.0030.04313.75
5.3.20.0170.03313.46
5.3.10.0100.03713.51
5.3.00.0030.05713.62
5.2.170.0070.04710.96
5.2.160.0070.03710.95
5.2.150.0030.03310.97
5.2.140.0100.05311.15
5.2.130.0070.02711.08
5.2.120.0070.04711.16
5.2.110.0070.04711.10
5.2.100.0070.05711.02
5.2.90.0070.05711.02
5.2.80.0030.05711.16
5.2.70.0030.04711.11
5.2.60.0030.05311.07
5.2.50.0000.06310.97
5.2.40.0070.04311.06
5.2.30.0100.05010.99
5.2.20.0030.04710.75
5.2.10.0100.05710.80
5.2.00.0070.04710.71
5.1.60.0030.0579.98
5.1.50.0070.0509.98
5.1.40.0070.0539.85
5.1.30.0070.04010.38
5.1.20.0100.03010.25
5.1.10.0030.05010.10
5.1.00.0070.03710.07
5.0.50.0070.0278.54
5.0.40.0030.0208.46
5.0.30.0030.0578.27
5.0.20.0030.0478.25
5.0.10.0070.0408.20
5.0.00.0070.0608.14
4.4.90.0000.0377.68
4.4.80.0000.0377.68
4.4.70.0000.0407.68
4.4.60.0000.0307.68
4.4.50.0000.0307.68
4.4.40.0030.0507.68
4.4.30.0030.0377.68
4.4.20.0030.0177.68
4.4.10.0130.0137.68
4.4.00.0030.0577.68
4.3.110.0000.0337.68
4.3.100.0000.0377.68
4.3.90.0000.0377.68
4.3.80.0030.0537.68
4.3.70.0000.0377.68
4.3.60.0030.0337.68
4.3.50.0000.0337.68
4.3.40.0000.0477.68
4.3.30.0030.0337.68
4.3.20.0000.0337.68
4.3.10.0000.0377.68
4.3.00.0030.0307.68

preferences:
40.35 ms | 400 KiB | 5 Q