3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1, 2, 3); function g(array &$a){ return $a; } echo g($arr)[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)
8.3.60.0030.01018.43
8.3.50.0140.00821.14
8.3.40.0140.00718.84
8.3.30.0080.00618.70
8.3.20.0080.00018.65
8.3.10.0040.00419.16
8.3.00.0030.00623.66
8.2.180.0180.00016.38
8.2.170.0180.00022.96
8.2.160.0070.00720.27
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0070.00021.00
8.2.110.0030.00720.53
8.2.100.0000.01217.71
8.2.90.0000.00719.28
8.2.80.0040.00418.04
8.2.70.0030.00617.63
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0070.00318.22
8.2.30.0030.00619.79
8.2.20.0030.00617.59
8.2.10.0000.00817.47
8.2.00.0090.00017.48
8.1.280.0110.00425.92
8.1.270.0000.00723.99
8.1.260.0030.01426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.45
8.1.230.0120.00321.05
8.1.220.0050.00318.77
8.1.210.0030.00618.89
8.1.200.0030.00617.25
8.1.190.0000.00717.41
8.1.180.0040.00418.10
8.1.170.0040.00418.47
8.1.160.0000.00718.86
8.1.150.0080.00018.47
8.1.140.0020.00517.44
8.1.130.0030.00317.79
8.1.120.0000.00717.37
8.1.110.0000.00717.33
8.1.100.0000.00717.42
8.1.90.0040.00417.37
8.1.80.0000.00817.31
8.1.70.0000.00717.40
8.1.60.0000.00817.62
8.1.50.0090.00017.46
8.1.40.0030.00617.43
8.1.30.0060.00317.63
8.1.20.0040.00417.68
8.1.10.0000.00717.56
8.1.00.0000.00717.48
8.0.300.0050.00319.97
8.0.290.0040.00417.05
8.0.280.0050.00218.48
8.0.270.0080.00017.25
8.0.260.0060.00016.81
8.0.250.0000.00717.01
8.0.240.0050.00516.90
8.0.230.0000.00716.84
8.0.220.0070.00016.93
8.0.210.0040.00416.78
8.0.200.0030.00316.95
8.0.190.0030.00516.95
8.0.180.0000.00816.88
8.0.170.0030.00316.89
8.0.160.0000.00717.01
8.0.150.0000.00916.81
8.0.140.0080.00016.83
8.0.130.0000.00613.40
8.0.120.0050.00316.82
8.0.110.0050.00216.67
8.0.100.0000.00716.75
8.0.90.0070.00016.92
8.0.80.0000.01416.87
8.0.70.0000.00716.75
8.0.60.0040.00416.95
8.0.50.0000.00716.77
8.0.30.0090.01317.29
8.0.20.0110.00817.40
8.0.10.0060.00316.80
8.0.00.0090.00916.64
7.4.330.0020.00214.73
7.4.320.0030.00316.58
7.4.300.0030.00316.45
7.4.290.0030.00316.57
7.4.280.0060.00216.57
7.4.270.0060.00016.51
7.4.260.0030.00313.22
7.4.250.0070.00016.47
7.4.240.0000.00716.52
7.4.230.0030.00316.47
7.4.220.0110.00716.69
7.4.210.0090.00716.57
7.4.200.0000.00716.33
7.4.190.0000.00716.57
7.4.160.0080.00816.61
7.4.150.0070.01617.40
7.4.140.0030.01317.86
7.4.130.0070.00916.49
7.4.120.0110.00716.42
7.4.110.0090.01116.56
7.4.100.0130.01016.50
7.4.90.0090.00916.46
7.4.80.0140.00319.37
7.4.70.0030.01516.61
7.4.60.0070.01116.65
7.4.50.0040.00416.36
7.4.40.0040.01222.52
7.4.30.0100.00716.50
7.4.00.0070.00715.12
7.3.330.0000.00513.08
7.3.320.0000.00513.18
7.3.310.0000.00716.32
7.3.300.0040.00416.31
7.3.290.0090.00616.31
7.3.280.0110.00516.29
7.3.270.0030.01317.40
7.3.260.0070.01318.24
7.3.250.0080.00916.50
7.3.240.0030.01916.47
7.3.230.0060.01516.59
7.3.210.0150.01116.27
7.3.200.0150.01019.39
7.3.190.0120.00316.50
7.3.180.0130.00416.29
7.3.170.0120.00416.38
7.3.160.0100.01016.27
7.3.120.0040.00414.76
7.2.330.0030.01316.46
7.2.320.0140.00716.33
7.2.310.0100.00716.79
7.2.300.0160.00016.68
7.2.290.0090.00916.79
7.2.00.0070.00719.07
7.1.100.0040.00417.93
7.1.70.0000.00716.95
7.1.60.0150.00919.40
7.1.50.0140.01016.75
7.1.00.0000.07022.44
7.0.200.0030.00616.39
7.0.140.0070.07022.18
7.0.70.0030.06721.66
7.0.60.0030.07021.77
7.0.50.0130.06021.93
7.0.40.0100.07720.05
7.0.30.0070.08319.93
7.0.20.0070.06020.09
7.0.10.0130.08020.09
7.0.00.0030.05320.17
5.6.280.0000.07720.78
5.6.220.0070.07720.68
5.6.210.0070.08020.62
5.6.200.0100.08021.09
5.6.190.0070.06321.10
5.6.180.0100.07321.04
5.6.170.0130.08021.02
5.6.160.0070.06021.07
5.6.150.0100.07021.07
5.6.140.0100.07721.02
5.6.130.0100.06721.10
5.6.120.0000.05721.13
5.6.110.0030.08020.93
5.6.100.0100.08021.12
5.6.90.0030.08721.12
5.6.80.0130.05020.41
5.6.70.0070.05020.32
5.6.60.0030.05020.34
5.6.50.0070.03720.43
5.6.40.0000.04720.44
5.6.30.0100.03320.39
5.6.20.0070.04020.43
5.6.10.0030.04320.45
5.6.00.0030.04020.36
5.5.360.0000.09020.36
5.5.350.0000.09020.37
5.5.340.0030.06320.89
5.5.330.0200.07020.90
5.5.320.0030.08020.79
5.5.310.0030.08720.90
5.5.300.0030.09020.92
5.5.290.0030.05320.80
5.5.280.0100.08020.86
5.5.270.0000.08720.63
5.5.260.0070.08720.91
5.5.250.0100.03720.70
5.5.240.0070.07720.26
5.5.230.0000.08720.15
5.5.220.0030.04020.21
5.5.210.0100.06020.29
5.5.200.0130.03020.13
5.5.190.0070.08020.09
5.5.180.0100.03719.99
5.5.160.0030.04020.15
5.5.150.0070.03720.21
5.5.140.0030.04020.23
5.5.130.0070.03720.14
5.5.120.0070.03720.14
5.5.110.0070.04020.25
5.5.100.0070.03720.08
5.5.90.0070.03720.13
5.5.80.0030.05720.13
5.5.70.0030.05020.04
5.5.60.0000.04320.06
5.5.50.0030.08019.93
5.5.40.0030.04019.98
5.5.30.0070.03720.15
5.5.20.0070.03719.93
5.5.10.0030.04720.06
5.5.00.0070.03320.03
5.4.450.0100.08019.18
5.4.440.0170.07019.36
5.4.430.0070.07719.41
5.4.420.0100.07719.44
5.4.410.0100.05019.10
5.4.400.0070.08019.05
5.4.390.0030.08319.04
5.4.380.0070.07019.09
5.4.370.0030.04719.18
5.4.360.0070.03718.84
5.4.350.0070.03719.03
5.4.340.0070.06719.18
5.4.320.0000.04019.23
5.4.310.0100.03018.88
5.4.300.0070.03319.20
5.4.290.0070.03319.18
5.4.280.0030.04719.14
5.4.270.0100.03318.87
5.4.260.0070.03319.05
5.4.250.0100.03318.93
5.4.240.0000.04019.02
5.4.230.0030.03718.84
5.4.220.0000.07719.11
5.4.210.0030.04018.84
5.4.200.0070.03319.11
5.4.190.0030.03719.17
5.4.180.0000.04718.93
5.4.170.0030.04019.20
5.4.160.0070.03319.18
5.4.150.0100.03019.23
5.4.140.0000.04316.38
5.4.130.0030.04016.24
5.4.120.0030.03316.45
5.4.110.0030.03716.43
5.4.100.0030.04016.50
5.4.90.0000.04716.45
5.4.80.0030.03316.38
5.4.70.0000.05716.30
5.4.60.0000.04016.37
5.4.50.0030.03716.48
5.4.40.0030.03716.41
5.4.30.0000.04016.45
5.4.20.0030.03316.36
5.4.10.0030.03716.40
5.4.00.0000.03715.87
5.3.290.0000.04714.72
5.3.280.0030.06714.71
5.3.270.0070.04014.59
5.3.260.0070.03314.55
5.3.250.0070.03314.74
5.3.240.0030.03714.64
5.3.230.0030.03714.59
5.3.220.0030.03314.55
5.3.210.0030.03714.63
5.3.200.0070.03314.67
5.3.190.0000.04014.49
5.3.180.0000.05014.57
5.3.170.0000.04314.61
5.3.160.0070.03014.53
5.3.150.0030.03714.63
5.3.140.0030.04014.61
5.3.130.0030.03714.51
5.3.120.0000.04014.50
5.3.110.0030.03714.65
5.3.100.0000.04314.15
5.3.90.0000.03714.09
5.3.80.0000.03713.95
5.3.70.0000.03713.94
5.3.60.0030.03713.95
5.3.50.0000.03014.01
5.3.40.0000.05014.04
5.3.30.0070.06013.83
5.3.20.0030.07313.58
5.3.10.0070.07013.66
5.3.00.0070.07013.57
5.2.170.0000.03011.50
5.2.160.0000.02311.50
5.2.150.0030.06311.50
5.2.140.0100.05711.50
5.2.130.0070.06011.50
5.2.120.0030.06011.50
5.2.110.0030.06011.50
5.2.100.0030.06011.50
5.2.90.0000.06011.50
5.2.80.0030.04311.50
5.2.70.0000.06311.50
5.2.60.0100.06011.50
5.2.50.0070.04011.50
5.2.40.0030.06011.50
5.2.30.0070.05711.50
5.2.20.0070.05311.50
5.2.10.0070.05711.50
5.2.00.0070.06011.50
5.1.60.0030.05711.50
5.1.50.0070.05011.50
5.1.40.0030.05311.50
5.1.30.0100.04711.50
5.1.20.0030.05311.50
5.1.10.0030.04711.50
5.1.00.0030.04311.50
5.0.50.0000.03011.50
5.0.40.0070.03711.50
5.0.30.0030.05011.50
5.0.20.0030.04311.50
5.0.10.0030.04311.50
5.0.00.0030.06311.50
4.4.90.0070.03311.50
4.4.80.0030.03311.50
4.4.70.0030.03311.50
4.4.60.0000.02711.50
4.4.50.0000.03711.50
4.4.40.0070.04711.50
4.4.30.0030.03711.50
4.4.20.0000.03711.50
4.4.10.0030.02011.50
4.4.00.0000.05311.50
4.3.110.0000.04011.50
4.3.100.0070.02711.50
4.3.90.0000.03011.50
4.3.80.0000.04711.50
4.3.70.0000.03711.50
4.3.60.0000.03311.50
4.3.50.0030.03011.50
4.3.40.0000.05311.50
4.3.30.0030.03011.50
4.3.20.0000.03711.50
4.3.10.0000.04011.50
4.3.00.0030.03311.50

preferences:
39.71 ms | 401 KiB | 5 Q