3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => []]; $c = &$a['a']; $c['b'] = 2; var_dump($a);

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)
8.3.60.0030.01716.50
8.3.50.0070.00716.50
8.3.40.0200.00018.69
8.3.30.0140.00018.68
8.3.20.0050.00320.22
8.3.10.0050.00323.70
8.3.00.0080.00019.38
8.2.180.0070.01016.38
8.2.170.0110.00322.96
8.2.160.0070.00720.43
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00820.95
8.2.120.0000.00726.35
8.2.110.0030.00620.99
8.2.100.0070.00418.09
8.2.90.0040.00419.21
8.2.80.0030.00618.04
8.2.70.0060.00317.37
8.2.60.0000.00918.04
8.2.50.0080.00018.10
8.2.40.0000.00720.47
8.2.30.0000.00719.13
8.2.20.0070.00017.98
8.2.10.0040.00418.10
8.2.00.0000.00717.93
8.1.280.0150.00325.92
8.1.270.0070.00023.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0060.00619.00
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0050.00517.35
8.1.190.0030.00517.35
8.1.180.0050.00318.10
8.1.170.0050.00320.22
8.1.160.0000.00719.11
8.1.150.0050.00320.61
8.1.140.0040.00419.51
8.1.130.0030.00318.88
8.1.120.0030.00417.42
8.1.110.0030.00617.40
8.1.100.0080.00017.43
8.1.90.0000.00817.41
8.1.80.0030.00517.46
8.1.70.0030.00317.40
8.1.60.0000.00717.45
8.1.50.0080.00017.45
8.1.40.0000.00817.51
8.1.30.0040.00417.58
8.1.20.0040.00417.45
8.1.10.0000.00717.46
8.1.00.0030.00517.46
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0040.00418.38
8.0.270.0030.00317.13
8.0.260.0030.00316.66
8.0.250.0000.00616.93
8.0.240.0040.00416.78
8.0.230.0040.00416.78
8.0.220.0030.00316.83
8.0.210.0030.00316.89
8.0.200.0030.00316.95
8.0.190.0090.00016.97
8.0.180.0040.00416.81
8.0.170.0000.00716.88
8.0.160.0040.00416.80
8.0.150.0070.00016.66
8.0.140.0080.00016.81
8.0.130.0050.00013.19
8.0.120.0030.00616.79
8.0.110.0000.00816.86
8.0.100.0000.00716.80
8.0.90.0000.00716.83
8.0.80.0070.01616.79
8.0.70.0030.00416.63
8.0.60.0070.00016.77
8.0.50.0030.00516.77
8.0.30.0040.01416.99
8.0.20.0120.00817.40
8.0.10.0040.00416.90
8.0.00.0080.00916.56
7.4.330.0000.00615.55
7.4.320.0030.00316.43
7.4.300.0000.00716.44
7.4.290.0000.00916.36
7.4.280.0030.00616.54
7.4.270.0050.00216.34
7.4.260.0050.00516.48
7.4.250.0030.00316.54
7.4.240.0050.00316.53
7.4.230.0030.00316.55
7.4.220.0100.01416.53
7.4.210.0100.00316.57
7.4.200.0070.00016.64
7.4.160.0130.00616.34
7.4.150.0120.01217.40
7.4.140.0110.00817.86
7.4.130.0060.01916.30
7.4.120.0090.01016.43
7.4.110.0110.00716.45
7.4.100.0140.00416.48
7.4.90.0070.01116.58
7.4.80.0140.00719.39
7.4.70.0170.00016.51
7.4.60.0080.00816.34
7.4.50.0110.00716.48
7.4.40.0040.01216.39
7.4.30.0060.01016.40
7.4.00.0110.00714.68
7.3.330.0000.00613.14
7.3.320.0000.00513.14
7.3.310.0070.00016.17
7.3.300.0060.00016.20
7.3.290.0070.00716.21
7.3.280.0090.00816.21
7.3.270.0090.00817.40
7.3.260.0090.00916.42
7.3.250.0120.00916.26
7.3.240.0050.01216.41
7.3.230.0180.00016.18
7.3.210.0100.00716.34
7.3.200.0060.01016.24
7.3.190.0080.00816.58
7.3.180.0100.00616.29
7.3.170.0150.00316.48
7.3.160.0190.00016.30
7.3.10.0090.00616.39
7.3.00.0080.00316.42
7.2.330.0130.00416.19
7.2.320.0030.01916.66
7.2.310.0130.00316.23
7.2.300.0060.01216.55
7.2.290.0090.00916.43
7.2.130.0070.01016.66
7.2.120.0130.00516.76
7.2.110.0160.00017.00
7.2.100.0120.01216.71
7.2.90.0110.00815.90
7.2.80.0290.00515.75
7.2.70.0200.00815.74
7.2.60.0100.00715.90
7.2.50.0350.01115.66
7.2.40.0100.00815.80
7.2.30.0310.00415.66
7.2.20.0160.00315.77
7.2.10.0090.01115.79
7.2.00.0490.00915.95
7.1.250.0170.00715.40
7.1.210.0920.00613.84
7.1.200.0730.00013.59
7.1.190.0890.01213.68
7.1.180.0170.01413.68
7.1.170.0170.00713.89
7.1.160.0260.00313.95
7.1.150.0950.01013.97
7.1.140.0090.01313.87
7.1.130.0180.00313.96
7.1.120.0410.00613.68
7.1.110.1010.00313.85
7.1.100.0280.00813.96
7.1.90.1380.01013.61
7.1.80.0990.00614.03
7.1.70.0410.00413.95
7.1.60.0270.00731.93
7.1.50.0350.01331.69
7.1.40.1170.01031.92
7.1.30.0220.00931.63
7.1.20.1030.00931.80
7.1.10.0090.00913.80
7.1.00.1110.00714.05
7.0.310.0090.00313.51
7.0.300.0530.00913.34
7.0.290.0390.00613.41
7.0.280.0130.00013.45
7.0.270.0940.00613.54
7.0.260.0200.00013.56
7.0.250.0080.01013.69
7.0.240.0080.00513.28
7.0.230.1020.00713.43
7.0.220.0240.00313.57
7.0.210.0190.00913.66
7.0.200.0910.00013.56
7.0.190.0110.00713.35
7.0.180.0970.00713.32
7.0.170.0470.00713.55
7.0.160.0150.00913.41
7.0.150.1090.00013.50
7.0.140.1040.01013.66
7.0.130.0890.00013.37
7.0.120.0780.01713.68
7.0.110.0080.00813.48
7.0.100.0070.00713.38
7.0.90.0620.00313.57
7.0.80.0920.00613.68
7.0.70.1140.00313.63
7.0.60.0550.00313.57
7.0.50.0090.00913.51
7.0.40.0090.00313.64
7.0.30.0040.00713.49
7.0.20.0150.00013.42
7.0.10.0150.00413.50
7.0.00.0110.01113.49

preferences:
41.16 ms | 401 KiB | 5 Q