3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3]; $brr = &$arr; foreach ($brr as $val) { print($val); $val = 'x'; } var_dump($arr); var_dump($brr);

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)
8.3.60.0040.01118.30
8.3.50.0070.01118.30
8.3.40.0110.00418.71
8.3.30.0110.00418.57
8.3.20.0040.00420.26
8.3.10.0050.00323.66
8.3.00.0050.00319.25
8.2.180.0090.00616.32
8.2.170.0100.00722.96
8.2.160.0100.00319.46
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0090.00019.11
8.2.120.0040.00426.35
8.2.110.0070.00320.56
8.2.100.0080.00317.72
8.2.90.0030.00617.69
8.2.80.0000.00819.14
8.2.70.0000.00817.38
8.2.60.0080.00017.50
8.2.50.0060.00317.93
8.2.40.0030.00619.66
8.2.30.0040.00420.50
8.2.20.0060.00317.60
8.2.10.0040.00418.05
8.2.00.0040.00418.10
8.1.280.0140.00025.92
8.1.270.0040.00422.20
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0060.00322.59
8.1.230.0060.00621.04
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0040.00417.62
8.1.160.0070.00021.89
8.1.150.0000.00818.87
8.1.140.0040.00419.55
8.1.130.0030.00317.65
8.1.120.0000.00717.45
8.1.110.0000.00817.44
8.1.100.0050.00217.45
8.1.90.0040.00417.48
8.1.80.0030.00517.32
8.1.70.0030.00317.25
8.1.60.0000.00817.58
8.1.50.0000.00817.39
8.1.40.0040.00417.48
8.1.30.0040.00417.55
8.1.20.0020.00517.58
8.1.10.0050.00317.54
8.1.00.0000.00817.45
8.0.300.0040.00420.09
8.0.290.0030.00616.88
8.0.280.0070.00018.44
8.0.270.0030.00317.29
8.0.260.0000.00817.29
8.0.250.0030.00316.87
8.0.240.0000.00716.94
8.0.230.0030.00316.89
8.0.220.0070.00016.90
8.0.210.0030.00316.77
8.0.200.0030.00316.89
8.0.190.0060.00316.95
8.0.180.0040.00416.91
8.0.170.0000.00816.90
8.0.160.0000.00716.84
8.0.150.0000.00716.77
8.0.140.0030.00616.78
8.0.130.0000.00513.27
8.0.120.0000.00816.72
8.0.110.0070.00016.82
8.0.100.0070.00016.70
8.0.90.0000.00716.82
8.0.80.0120.00916.84
8.0.70.0040.00416.89
8.0.60.0000.00716.79
8.0.50.0040.00416.82
8.0.30.0100.00917.27
8.0.20.0120.00617.40
8.0.10.0050.00216.87
8.0.00.0080.00916.84
7.4.330.0000.00516.71
7.4.320.0030.00316.59
7.4.300.0040.00416.63
7.4.290.0070.00016.59
7.4.280.0050.00216.59
7.4.270.0000.00616.59
7.4.260.0040.00416.45
7.4.250.0000.00916.45
7.4.240.0010.00616.52
7.4.230.0030.00316.52
7.4.220.0200.00616.48
7.4.210.0110.00716.53
7.4.200.0030.00316.54
7.4.160.0080.00816.40
7.4.150.0060.01217.40
7.4.140.0140.01117.86
7.4.130.0080.00916.44
7.4.120.0110.01316.45
7.4.110.0060.01216.60
7.4.100.0170.00716.48
7.4.90.0090.00916.48
7.4.80.0090.00919.39
7.4.70.0090.00916.45
7.4.60.0120.00316.52
7.4.50.0070.00716.11
7.4.40.0100.00716.50
7.4.30.0060.01216.36
7.4.00.0110.00414.72
7.3.330.0000.00513.16
7.3.320.0030.00312.99
7.3.310.0000.00716.19
7.3.300.0070.00016.27
7.3.290.0000.00716.29
7.3.280.0090.00816.23
7.3.270.0090.00917.40
7.3.260.0110.01516.26
7.3.250.0130.00616.43
7.3.240.0050.01416.49
7.3.230.0120.01216.39
7.3.210.0110.00516.31
7.3.200.0130.01016.70
7.3.190.0090.00616.59
7.3.180.0160.00616.23
7.3.170.0130.00316.32
7.3.160.0000.01616.41
7.2.330.0060.01416.54
7.2.320.0110.00616.43
7.2.310.0090.00916.63
7.2.300.0030.01316.64
7.2.290.0070.01016.52
7.2.00.0000.01619.46
7.1.100.0030.00518.13
7.1.70.0080.00317.02
7.1.60.0040.00717.25
7.1.50.0000.01417.04
7.1.00.0030.07022.33
7.0.200.0000.01516.86
7.0.60.0070.08319.91
7.0.50.0100.07317.81
7.0.40.0100.08720.12
7.0.30.0170.04320.09
7.0.20.0400.07720.00
7.0.10.0100.08720.13
7.0.00.0030.05020.09
5.6.280.0030.06721.06
5.6.210.0030.04720.77
5.6.200.0030.04718.23
5.6.190.0170.07720.33
5.6.180.0330.05020.59
5.6.170.0230.05020.50
5.6.160.0030.05320.61
5.6.150.0100.07318.20
5.6.140.0100.08318.14
5.6.130.0100.03718.15
5.6.120.0000.08321.00
5.6.110.0100.03721.00
5.6.100.0070.06721.00
5.6.90.0070.09020.88
5.6.80.0000.07020.39
5.5.350.4370.03720.41
5.5.340.0030.05017.95
5.5.330.0070.04020.25
5.5.320.0230.04320.27
5.5.310.0200.04320.12
5.5.300.0070.05317.92
5.5.290.0000.04318.01
5.5.280.0070.08020.74
5.5.270.0030.06320.95
5.5.260.0100.08720.86
5.5.250.0130.08320.43
5.5.240.0130.04720.25

preferences:
38.72 ms | 401 KiB | 5 Q