3v4l.org

run code in 300+ PHP versions simultaneously
<?php function func(&$data) { foreach ($data as $key => $value) { if (is_array($value)) { func($data[$key]); } } } $data = [ ['zero' => [0]], ['one' => [1]], ]; debug_zval_dump($data[1]['one']); //refcount=2 func($data); debug_zval_dump($data[1]['one']); //refcount=3

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)
8.3.60.0070.00716.75
8.3.50.0120.00721.19
8.3.40.0040.01118.83
8.3.30.0070.00718.76
8.3.20.0020.00520.25
8.3.10.0080.00021.71
8.3.00.0040.00423.66
8.2.180.0110.00416.50
8.2.170.0120.00322.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0030.00619.66
8.2.120.0070.00026.35
8.2.110.0070.00319.29
8.2.100.0040.01118.16
8.2.90.0060.00319.36
8.2.80.0060.00318.05
8.2.70.0080.00017.63
8.2.60.0060.00317.89
8.2.50.0060.00318.07
8.2.40.0120.00220.37
8.2.30.0000.00819.48
8.2.20.0030.00617.75
8.2.10.0000.00918.08
8.2.00.0040.00418.03
8.1.280.0000.01525.92
8.1.270.0160.00323.96
8.1.260.0030.00728.09
8.1.250.0050.00228.09
8.1.240.0100.00023.92
8.1.230.0070.00417.52
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.36
8.1.190.0040.00417.22
8.1.180.0070.00418.10
8.1.170.0000.00818.55
8.1.160.0030.00520.76
8.1.150.0000.00718.80
8.1.140.0040.00419.61
8.1.130.0000.00717.68
8.1.120.0030.00517.41
8.1.110.0080.00017.47
8.1.100.0000.00717.34
8.1.90.0060.00317.48
8.1.80.0000.00717.45
8.1.70.0000.00817.53
8.1.60.0040.00417.54
8.1.50.0030.00617.48
8.1.40.0000.00817.41
8.1.30.0000.01017.63
8.1.20.0040.00417.52
8.1.10.0040.00417.48
8.1.00.0050.00317.40
8.0.300.0000.00718.77
8.0.290.0050.00316.61
8.0.280.0000.00818.30
8.0.270.0000.00717.20
8.0.260.0000.00617.21
8.0.250.0040.00416.89
8.0.240.0070.00016.99
8.0.230.0000.00716.86
8.0.220.0040.00416.91
8.0.210.0000.00716.80
8.0.200.0060.00617.01
8.0.190.0000.00816.81
8.0.180.0030.00616.81
8.0.170.0050.00316.96
8.0.160.0040.00416.94
8.0.150.0030.00316.75
8.0.140.0070.00016.81
8.0.130.0050.00013.41
8.0.120.0060.00316.84
8.0.110.0000.00816.88
8.0.100.0000.00716.76
8.0.90.0040.00416.87
8.0.80.0070.01016.77
8.0.70.0040.00416.89
8.0.60.0000.00816.79
8.0.50.0040.00416.68
8.0.30.0110.00517.29
8.0.20.0140.00417.40
8.0.10.0040.00416.88
8.0.00.0100.00816.73
7.4.330.0020.00216.77
7.4.320.0030.00316.50
7.4.300.0030.00316.61
7.4.290.0050.00516.51
7.4.280.0090.00016.61
7.4.270.0060.00016.66
7.4.260.0020.00516.62
7.4.250.0000.00816.38
7.4.240.0000.00716.53
7.4.230.0030.00316.63
7.4.220.0170.00416.68
7.4.210.0030.01316.52
7.4.200.0080.00016.58
7.4.160.0100.00716.42
7.4.150.0040.01517.40
7.4.140.0070.01117.86
7.4.130.0180.00316.32
7.4.120.0090.01016.59
7.4.110.0040.01416.48
7.4.100.0060.01216.56
7.4.90.0030.01516.59
7.4.80.0120.00619.39
7.4.70.0030.01316.50
7.4.60.0130.00616.46
7.4.50.0030.01316.52
7.4.40.0070.01016.55
7.4.30.0130.00616.45
7.4.00.0060.01014.98
7.3.330.0030.00313.32
7.3.320.0000.00713.38
7.3.310.0070.00016.47
7.3.300.0050.00316.38
7.3.290.0120.00716.36
7.3.280.0080.00916.37
7.3.270.0070.01017.40
7.3.260.0100.00716.35
7.3.240.0070.01016.64
7.3.230.0070.01016.53
7.3.210.0130.00616.59
7.3.200.0150.00319.39
7.3.190.0030.01216.55
7.3.180.0060.00916.67
7.3.170.0100.00716.68
7.3.160.0060.01016.45
7.2.330.0120.00616.66
7.2.320.0030.01316.75
7.2.310.0060.01216.64
7.2.300.0090.00916.57
7.2.290.0070.01016.72
7.2.60.0040.00816.91
7.2.00.0080.00819.40
7.1.200.0040.00815.86
7.1.100.0030.01017.98
7.1.70.0040.01117.08
7.1.60.0090.00619.18
7.1.50.0030.00917.02
7.1.00.0030.07722.27
7.0.200.0030.00516.75
7.0.60.0200.07721.79
7.0.50.0100.05017.91
7.0.40.0100.08320.27
7.0.30.0200.05320.10
7.0.20.0230.04320.05
7.0.10.0100.05720.30
7.0.00.0130.07020.09
5.6.280.0030.04721.13
5.6.210.0130.07020.51
5.6.200.0130.05018.16
5.6.190.0030.08020.55
5.6.180.0400.06020.47
5.6.170.0230.05320.57
5.6.160.0100.04020.46
5.6.150.0070.08018.18
5.6.140.0030.08018.28
5.6.130.0030.04318.11
5.6.120.0070.07721.04
5.6.110.0070.08321.05
5.6.100.0070.08720.91
5.6.90.0130.07020.98
5.6.80.0030.08020.53
5.5.350.0130.07320.44
5.5.340.0030.06317.95
5.5.330.0130.08320.57
5.5.320.0370.07320.20
5.5.310.0230.09020.23
5.5.300.0030.06718.03
5.5.290.0070.08018.08
5.5.280.0170.07720.65
5.5.270.0000.04720.65
5.5.260.0070.09320.96
5.5.250.0200.06020.62
5.5.240.0130.06020.29

preferences:
39.51 ms | 401 KiB | 5 Q