3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f(array $a) { foreach ($a as &$i) { foreach ($i as &$j) { $j++; } } } $v = [[1], [2]]; f($v); var_dump($v);

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)
8.3.60.0190.00016.88
8.3.50.0160.00317.36
8.3.40.0060.00918.71
8.3.30.0060.01318.58
8.3.20.0040.00418.73
8.3.10.0120.00418.48
8.3.00.0080.00019.13
8.2.180.0150.00316.38
8.2.170.0140.00722.96
8.2.160.0090.00618.88
8.2.150.0060.00324.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.35
8.2.110.0060.00319.16
8.2.100.0080.00417.72
8.2.90.0060.00319.30
8.2.80.0070.00019.41
8.2.70.0000.00817.63
8.2.60.0000.00817.80
8.2.50.0040.00718.07
8.2.40.0110.00018.18
8.2.30.0040.00418.10
8.2.20.0090.00017.63
8.2.10.0040.00417.65
8.2.00.0040.00417.67
8.1.280.0120.00325.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00022.13
8.1.230.0050.00520.92
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0030.00617.22
8.1.190.0050.00217.53
8.1.180.0030.00618.10
8.1.170.0090.00018.86
8.1.160.0070.00018.84
8.1.150.0040.00418.56
8.1.140.0030.00517.44
8.1.130.0030.00317.86
8.1.120.0110.00017.52
8.1.110.0040.00417.49
8.1.100.0020.00517.36
8.1.90.0030.00517.48
8.1.80.0000.00717.33
8.1.70.0040.00417.32
8.1.60.0000.00817.55
8.1.50.0060.00317.43
8.1.40.0070.00017.51
8.1.30.0060.00317.57
8.1.20.0050.00217.54
8.1.10.0050.00317.42
8.1.00.0040.00417.43
8.0.300.0000.00719.85
8.0.290.0040.00416.63
8.0.280.0070.00018.45
8.0.270.0030.00317.13
8.0.260.0040.00416.85
8.0.250.0070.00016.84
8.0.240.0000.00816.81
8.0.230.0000.00716.96
8.0.220.0030.00316.89
8.0.210.0000.00716.86
8.0.200.0000.00616.93
8.0.190.0030.00516.86
8.0.180.0000.01016.96
8.0.170.0030.00616.78
8.0.160.0050.00316.92
8.0.150.0030.00616.90
8.0.140.0000.00716.90
8.0.130.0000.00613.24
8.0.120.0000.00716.75
8.0.110.0000.00716.95
8.0.100.0040.00416.93
8.0.90.0040.00416.87
8.0.80.0120.00916.82
8.0.70.0000.00816.96
8.0.60.0000.00716.87
8.0.50.0060.00316.91
8.0.30.0040.01516.97
8.0.20.0090.01217.12
8.0.10.0000.00717.03
8.0.00.0090.00916.83
7.4.330.0050.00012.97
7.4.320.0000.00616.42
7.4.300.0060.00016.58
7.4.290.0070.00016.60
7.4.280.0000.00716.52
7.4.270.0070.00016.60
7.4.260.0060.00013.25
7.4.250.0040.00416.38
7.4.240.0050.00316.50
7.4.230.0000.00716.49
7.4.220.0070.01416.58
7.4.210.0060.01116.56
7.4.200.0000.00716.64
7.4.190.0000.00716.75
7.4.160.0130.00616.71
7.4.150.0110.00516.31
7.4.140.0150.01116.39
7.4.130.0080.01216.61
7.4.120.0130.00616.49
7.4.110.0060.01216.61
7.4.100.0160.00716.62
7.4.90.0150.00316.53
7.4.80.0090.00919.39
7.4.70.0060.01016.57
7.4.60.0100.00716.57
7.4.50.0070.00016.50
7.4.40.0060.00616.49
7.4.30.0190.00316.67
7.4.00.0080.00914.87
7.3.330.0060.00013.33
7.3.320.0030.00313.30
7.3.310.0050.00316.20
7.3.300.0040.00416.19
7.3.290.0030.01516.30
7.3.280.0100.00916.26
7.3.270.0170.00716.54
7.3.260.0060.01216.35
7.3.250.0050.01316.35
7.3.240.0100.01016.45
7.3.230.0070.01116.61
7.3.210.0140.00416.25
7.3.200.0090.00816.36
7.3.190.0120.00416.64
7.3.180.0100.00716.31
7.3.170.0110.00516.39
7.3.160.0090.00716.30
7.3.120.0110.00514.75
7.3.110.0090.00814.90
7.3.100.0100.00314.83
7.3.90.0020.01314.69
7.3.80.0080.00814.64
7.3.70.0040.00914.82
7.3.60.0050.00914.75
7.3.50.0060.00714.86
7.3.40.0020.01314.58
7.3.30.0050.01014.88
7.3.20.0020.01116.68
7.3.10.0050.01116.51
7.3.00.0040.00616.78
7.2.330.0090.01316.61
7.2.320.0080.00816.68
7.2.310.0080.01116.44
7.2.300.0090.00916.62
7.2.290.0140.00616.39
7.2.250.0030.01314.96
7.2.240.0140.00515.19
7.2.230.0090.00715.12
7.2.220.0060.00915.12
7.2.210.0060.00615.07
7.2.200.0070.00815.06
7.2.190.0030.00614.86
7.2.180.0060.00714.94
7.2.170.0060.01114.81
7.2.60.0060.00616.94
7.1.330.0080.00715.59
7.1.320.0030.00915.75
7.1.310.0060.00915.85
7.1.300.0050.00515.76
7.1.290.0050.00815.62
7.1.280.0010.01215.66
7.1.270.0060.00715.79
7.1.260.0070.00715.77
7.1.200.0030.00915.69
7.1.70.0040.01117.10
7.1.60.0070.01819.40
7.1.50.0110.01116.92
7.1.00.0070.06022.45
7.0.200.0190.00614.96
7.0.140.0030.07722.00
7.0.120.0030.06322.03
7.0.60.0030.08719.79
7.0.50.0100.05017.89
7.0.40.0030.09020.40
7.0.30.0270.03720.09
7.0.20.0200.06720.30
7.0.10.0300.04320.15
7.0.00.0230.06720.25
5.6.280.0100.06720.89
5.6.210.0130.07720.52
5.6.200.0070.08318.12
5.6.190.0100.03320.39
5.6.180.0300.07720.59
5.6.170.0270.06020.62
5.6.160.0030.04720.46
5.6.150.0070.04018.29
5.6.140.0100.08018.16
5.6.130.0030.08018.16
5.6.120.0130.05020.98
5.6.110.0100.08321.00
5.6.100.0230.08021.14
5.6.90.0070.05321.10
5.6.80.0030.04020.38
5.6.70.0230.06720.26
5.5.350.0200.05720.44
5.5.340.0070.05318.01
5.5.330.0070.04020.26
5.5.320.0230.06320.43
5.5.310.0270.08020.20
5.5.300.0100.07317.99
5.5.290.0030.04018.02
5.5.280.0100.04320.88
5.5.270.0170.07720.76
5.5.260.0100.07720.89
5.5.250.0000.09720.55
5.5.240.0070.05720.34
5.4.450.0070.08319.48
5.4.440.0000.08319.27
5.4.430.0100.07319.46
5.4.420.0030.05719.44
5.4.410.0100.07719.11
5.4.400.0170.03018.85
5.4.390.0070.08019.24
5.4.380.0230.06319.24
5.4.370.0070.08319.15
5.4.360.0030.06019.24
5.4.350.0070.07718.85
5.4.340.0070.07719.14
5.4.320.0030.06019.13
5.4.310.0000.04719.25
5.4.300.0100.05319.23
5.4.290.0070.05018.85
5.4.280.0170.07019.07
5.4.270.0100.03018.87
5.4.260.0070.04318.85
5.4.250.0030.04019.11
5.4.240.0100.07719.11
5.4.230.0070.07719.23
5.4.220.0100.03318.95
5.4.210.0030.04019.14
5.4.200.0070.05019.20
5.4.190.0030.08319.11
5.4.180.0100.07319.07
5.4.170.0130.03319.25
5.4.160.0070.07318.83
5.4.150.0200.06718.83
5.4.140.0100.06016.41
5.4.130.0030.05716.42
5.4.120.0030.04716.39
5.4.110.0030.08016.30
5.4.100.0030.04716.38
5.4.90.0030.03716.30
5.4.80.0230.05716.38
5.4.70.0000.04316.53
5.4.60.0100.03716.43
5.4.50.0030.04316.37
5.4.40.0030.07016.27
5.4.30.0070.05716.27
5.4.20.0100.06716.40
5.4.10.0070.04016.30
5.4.00.0030.04715.95
5.3.290.0130.04314.68
5.3.280.0100.06714.66
5.3.270.0070.04714.68
5.3.260.0030.08314.53
5.3.250.0070.06714.61
5.3.240.0070.06014.61
5.3.230.0070.07314.66
5.3.220.0170.06314.61
5.3.210.0070.04314.61
5.3.200.0070.05014.71
5.3.190.0100.07014.57
5.3.180.0030.07314.62
5.3.170.0030.05314.57
5.3.160.0030.07714.71
5.3.150.0130.06714.59
5.3.140.0070.04314.61
5.3.130.0030.05014.60
5.3.120.0130.03014.54
5.3.110.0030.06714.44
5.3.100.0070.03714.04
5.3.90.0130.02713.90
5.3.80.0030.04014.01
5.3.70.0070.06714.16
5.3.60.0000.04013.96
5.3.50.0030.03713.99
5.3.40.0100.07314.00
5.3.30.0030.04313.96
5.3.20.0000.06013.76
5.3.10.0130.06313.66
5.3.00.0100.06013.64
5.2.170.0100.05711.14
5.2.160.0070.06011.11
5.2.150.0030.03011.20
5.2.140.0030.05711.10
5.2.130.0100.05311.14
5.2.120.0030.03710.99
5.2.110.0070.06011.10
5.2.100.0030.04011.25
5.2.90.0000.04011.15
5.2.80.0030.04311.06
5.2.70.0100.05311.24
5.2.60.0030.06711.10
5.2.50.0030.05010.92
5.2.40.0000.04710.95
5.2.30.0000.05711.00
5.2.20.0030.03710.96
5.2.10.0030.06010.75
5.2.00.0000.04010.71
5.1.60.0100.04710.01
5.1.50.0070.0509.90
5.1.40.0030.04710.13
5.1.30.0070.03010.33
5.1.20.0000.06010.42
5.1.10.0070.05310.05
5.1.00.0030.0579.97
5.0.50.0000.0278.53
5.0.40.0070.0338.46
5.0.30.0030.0578.19
5.0.20.0070.0408.20
5.0.10.0000.0408.23
5.0.00.0000.0678.20
4.4.90.0070.0308.04
4.4.80.0000.0238.04
4.4.70.0030.0178.04
4.4.60.0000.0208.04
4.4.50.0130.0278.04
4.4.40.0070.0508.04
4.4.30.0030.0238.04
4.4.20.0070.0138.04
4.4.10.0000.0238.04
4.4.00.0000.0538.04
4.3.110.0000.0338.04
4.3.100.0030.0278.04
4.3.90.0000.0338.04
4.3.80.0070.0478.04
4.3.70.0030.0278.04
4.3.60.0030.0238.04
4.3.50.0030.0278.04
4.3.40.0030.0508.04
4.3.30.0000.0208.04
4.3.20.0100.0308.04
4.3.10.0000.0338.04
4.3.00.0100.0278.04

preferences:
40.82 ms | 401 KiB | 5 Q