3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1]; foreach ($array as &$value) { var_dump($value); $array[1] = 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)
8.3.60.0090.00916.38
8.3.50.0150.00018.05
8.3.40.0110.00318.78
8.3.30.0000.01518.75
8.3.20.0120.00320.34
8.3.10.0040.00423.52
8.3.00.0040.00419.25
8.2.180.0100.01018.16
8.2.170.0070.01022.96
8.2.160.0040.01119.41
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00617.63
8.2.120.0080.00026.35
8.2.110.0070.00322.08
8.2.100.0120.00018.05
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0100.00317.91
8.2.50.0030.00618.07
8.2.40.0040.00419.47
8.2.30.0030.00320.60
8.2.20.0040.00417.74
8.2.10.0000.00818.05
8.2.00.0000.00718.09
8.1.280.0090.00625.92
8.1.270.0100.00022.20
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0000.00919.27
8.1.230.0060.00617.66
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00817.25
8.1.180.0040.00418.10
8.1.170.0000.00820.24
8.1.160.0000.00721.97
8.1.150.0050.00318.93
8.1.140.0070.00419.57
8.1.130.0030.00317.76
8.1.120.0000.00717.46
8.1.110.0030.00417.36
8.1.100.0000.00817.44
8.1.90.0000.00817.35
8.1.80.0000.00717.44
8.1.70.0040.00417.34
8.1.60.0060.00317.60
8.1.50.0040.00417.47
8.1.40.0000.00817.38
8.1.30.0060.00617.71
8.1.20.0020.00517.58
8.1.10.0000.00817.48
8.1.00.0050.00317.32
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.45
8.0.270.0000.00717.16
8.0.260.0070.00018.35
8.0.250.0040.00417.02
8.0.240.0000.00716.88
8.0.230.0000.00816.91
8.0.220.0000.00716.79
8.0.210.0000.00716.78
8.0.200.0040.00416.96
8.0.190.0040.00416.84
8.0.180.0060.00316.92
8.0.170.0000.00816.90
8.0.160.0020.00516.96
8.0.150.0000.00716.80
8.0.140.0000.00716.85
8.0.130.0050.00013.31
8.0.120.0000.00816.73
8.0.110.0050.00216.88
8.0.100.0000.00816.75
8.0.90.0030.00316.88
8.0.80.0050.01016.77
8.0.70.0040.00416.85
8.0.60.0040.00416.84
8.0.50.0050.00316.94
8.0.30.0060.01317.02
8.0.20.0100.01117.40
8.0.10.0030.00516.86
8.0.00.0110.00616.71
7.4.330.0050.00016.79
7.4.320.0020.00516.53
7.4.300.0030.00316.48
7.4.290.0030.00516.60
7.4.280.0030.00516.59
7.4.270.0000.00716.46
7.4.260.0000.00716.57
7.4.250.0070.00016.47
7.4.240.0040.00416.53
7.4.230.0030.00316.44
7.4.220.0140.00316.70
7.4.210.0130.00316.42
7.4.200.0040.00416.39
7.4.160.0040.01116.36
7.4.150.0100.00717.40
7.4.140.0090.01017.86
7.4.130.0100.00716.47
7.4.120.0070.01016.46
7.4.110.0090.01516.54
7.4.100.0140.00416.34
7.4.90.0090.01316.58
7.4.80.0100.00719.39
7.4.70.0090.01216.45
7.4.60.0150.00316.58
7.4.50.0040.01216.24
7.4.40.0110.00516.59
7.4.30.0060.01216.52
7.4.00.0000.01514.86
7.3.330.0000.00713.08
7.3.320.0030.00313.13
7.3.310.0070.00016.39
7.3.300.0030.00316.29
7.3.290.0060.00816.30
7.3.280.0090.00916.31
7.3.270.0100.00617.40
7.3.260.0100.00616.63
7.3.250.0110.00816.32
7.3.240.0080.00916.29
7.3.230.0100.00816.39
7.3.210.0100.00616.30
7.3.200.0040.01216.49
7.3.190.0080.00816.66
7.3.180.0070.01016.52
7.3.170.0110.01116.34
7.3.160.0080.00816.42
7.2.330.0120.00616.55
7.2.320.0130.01016.64
7.2.310.0070.01016.57
7.2.300.0170.00016.56
7.2.290.0160.00616.43
7.2.60.0130.00316.44
7.2.00.0080.00419.34
7.1.200.0070.00715.93
7.1.100.0030.00717.85
7.1.70.0090.00316.89
7.1.60.0070.01819.48
7.1.50.0070.01016.96
7.1.00.0000.07722.44
7.0.200.0330.00714.41
7.0.60.0100.07020.03
7.0.50.0030.08317.80
7.0.40.0030.07320.40
7.0.30.0230.07720.00
7.0.20.0330.06720.13
7.0.10.0100.06720.34
7.0.00.0000.05020.17
5.6.280.0070.06321.11
5.6.210.0170.05320.47
5.6.200.0200.07018.24
5.6.190.0030.04320.67
5.6.180.0230.06320.49
5.6.170.0170.06320.48
5.6.160.0030.08320.51
5.6.150.0130.06018.15
5.6.140.0130.07018.11
5.6.130.0070.05718.14
5.6.120.0070.08321.02
5.6.110.0130.07320.98
5.6.100.0030.05321.10
5.6.90.0100.04321.10
5.6.80.0100.06020.43
5.5.350.0300.06320.32
5.5.340.0000.04317.92
5.5.330.0100.05020.12
5.5.320.0070.05020.20
5.5.310.0200.04720.29
5.5.300.0070.05318.03
5.5.290.0100.07717.89
5.5.280.0070.06020.76
5.5.270.0100.06320.72
5.5.260.0130.04020.75
5.5.250.0130.06320.68
5.5.240.0400.06020.06

preferences:
47.54 ms | 400 KiB | 5 Q