3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1, 2, 3, 4); var_dump($arr); foreach ($arr as &$value) { $value = $value * 2; } var_dump($arr); unset($value); var_dump($arr); ?>

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)
8.3.60.0070.00716.50
8.3.50.0110.00621.99
8.3.40.0110.00418.71
8.3.30.0030.01019.08
8.3.20.0040.00420.38
8.3.10.0040.00423.71
8.3.00.0040.00422.29
8.2.180.0120.00318.29
8.2.170.0110.01122.96
8.2.160.0090.00620.53
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00022.26
8.2.110.0000.00919.27
8.2.100.0040.00717.72
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0000.00717.94
8.2.20.0000.00717.53
8.2.10.0080.00017.81
8.2.00.0000.00717.65
8.1.280.0090.00625.92
8.1.270.0060.00323.97
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0000.01023.82
8.1.230.0090.00320.97
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0050.00317.29
8.1.180.0000.00818.10
8.1.170.0060.00318.71
8.1.160.0060.00322.06
8.1.150.0040.00418.56
8.1.140.0050.00317.46
8.1.130.0030.00317.82
8.1.120.0000.00817.42
8.1.110.0030.00517.34
8.1.100.0040.00417.38
8.1.90.0070.00017.46
8.1.80.0000.00717.34
8.1.70.0020.00517.37
8.1.60.0040.00417.52
8.1.50.0060.00317.55
8.1.40.0040.00417.52
8.1.30.0030.00617.50
8.1.20.0030.00517.62
8.1.10.0040.00417.44
8.1.00.0030.00617.44
8.0.300.0000.00818.77
8.0.290.0070.00017.18
8.0.280.0040.00418.35
8.0.270.0040.00417.24
8.0.260.0030.00316.74
8.0.250.0030.00316.84
8.0.240.0000.00716.98
8.0.230.0040.00416.91
8.0.220.0070.00016.92
8.0.210.0040.00416.91
8.0.200.0070.00016.96
8.0.190.0030.00316.93
8.0.180.0000.01016.81
8.0.170.0030.00516.82
8.0.160.0040.00416.80
8.0.150.0000.00716.72
8.0.140.0030.00516.74
8.0.130.0000.00613.36
8.0.120.0020.00516.84
8.0.110.0070.00016.80
8.0.100.0040.00416.74
8.0.90.0040.00416.94
8.0.80.0060.00916.85
8.0.70.0070.00016.76
8.0.60.0040.00416.93
8.0.50.0040.00416.95
8.0.30.0080.01117.03
8.0.20.0090.01117.40
8.0.10.0080.00016.93
8.0.00.0090.01216.73
7.4.330.0030.00315.08
7.4.320.0000.00716.52
7.4.300.0000.00616.68
7.4.290.0000.00716.43
7.4.280.0030.00516.53
7.4.270.0000.00716.61
7.4.260.0030.00616.61
7.4.250.0000.00716.47
7.4.240.0020.00616.61
7.4.230.0000.00716.36
7.4.220.0110.01516.49
7.4.210.0090.00816.53
7.4.200.0040.00416.60
7.4.190.0060.00316.57
7.4.160.0060.00916.35
7.4.150.0140.00317.40
7.4.140.0150.00817.86
7.4.130.0060.01116.54
7.4.120.0090.01616.52
7.4.110.0040.01216.50
7.4.100.0080.00816.38
7.4.90.0130.00316.36
7.4.80.0100.01019.39
7.4.70.0120.00416.41
7.4.60.0120.00416.56
7.4.50.0000.00916.29
7.4.40.0030.01022.77
7.4.30.0130.00516.31
7.4.00.0110.00014.97
7.3.330.0030.00313.14
7.3.320.0030.00313.00
7.3.310.0000.00816.34
7.3.300.0030.00316.28
7.3.290.0000.01416.23
7.3.280.0100.01016.25
7.3.270.0120.00617.40
7.3.260.0070.01016.38
7.3.250.0140.00716.32
7.3.240.0090.01316.24
7.3.230.0000.01616.39
7.3.210.0070.01516.34
7.3.200.0030.01319.39
7.3.190.0090.01316.38
7.3.180.0080.00816.15
7.3.170.0120.00416.58
7.3.160.0120.00916.29
7.3.120.0000.01514.66
7.3.10.0100.00716.54
7.3.00.0000.01616.50
7.2.330.0090.00916.65
7.2.320.0120.00416.49
7.2.310.0030.01416.66
7.2.300.0130.00616.55
7.2.290.0090.00616.45
7.2.130.0110.01116.71
7.2.120.0070.00416.79
7.2.110.0030.01016.52
7.2.100.0120.00216.78
7.2.90.0100.01116.46
7.2.80.0080.00816.70
7.2.70.0070.01116.86
7.2.60.0040.00716.66
7.2.50.0140.00416.50
7.2.40.0140.00316.84
7.2.30.0040.01216.95
7.2.20.0210.00416.78
7.2.10.0080.01116.75
7.2.00.0130.00416.75
7.1.250.0060.00315.77
7.1.200.0070.00715.47
7.1.70.0000.00816.77
7.1.60.0090.01319.29
7.1.50.0170.00716.79
7.1.00.0000.08022.54
7.0.200.0070.00016.59
7.0.140.0030.07321.98
7.0.60.0100.06019.86
7.0.50.0030.05717.82
7.0.40.0070.04019.96
7.0.30.0330.07320.34
7.0.20.0300.06020.02
7.0.10.0070.07320.16
7.0.00.0030.08020.16
5.6.280.0100.06721.10
5.6.210.0070.04720.60
5.6.200.0100.07318.08
5.6.190.0130.06020.61
5.6.180.0370.03720.35
5.6.170.0300.08020.71
5.6.160.0030.04720.49
5.6.150.0030.05718.11
5.6.140.0030.04018.22
5.6.130.0100.08318.11
5.6.120.0070.06021.00
5.6.110.0170.07021.02
5.6.100.0030.08721.05
5.6.90.0030.07020.87
5.6.80.0170.05320.38
5.5.350.0230.07320.45
5.5.340.0070.07018.02
5.5.330.0100.08320.23
5.5.320.0230.08320.30
5.5.310.0330.08320.21
5.5.300.0070.08017.98
5.5.290.0070.08317.96
5.5.280.0030.09020.94
5.5.270.0000.05320.75
5.5.260.0100.08020.66
5.5.250.0070.08320.77
5.5.240.0070.07720.11
5.4.450.0900.05019.49
5.4.440.0670.05019.32
5.4.430.0170.05019.63
5.4.420.0070.06019.35
5.4.410.0100.08019.25
5.4.400.0070.06019.23
5.4.390.0070.05719.09
5.4.380.0230.04319.26
5.4.370.0070.05718.71
5.4.360.0100.05718.53
5.4.350.0100.06018.77
5.4.340.0200.04718.74
5.4.320.0050.03612.46
5.4.310.0080.03812.45
5.4.300.0090.03312.46
5.4.290.0080.04112.45
5.4.280.0040.03712.35
5.4.270.0070.03812.35
5.4.260.0070.04012.35
5.4.250.0100.03812.35
5.4.240.0080.04312.35
5.4.230.0030.03912.34
5.4.220.0150.04612.32
5.4.210.0180.04012.32
5.4.200.0150.04312.32
5.4.190.0210.06712.32
5.4.180.0160.04312.32
5.4.170.0160.04512.33
5.4.160.0150.04412.32
5.4.150.0150.04412.32
5.4.140.0170.04212.00
5.4.130.0150.04411.99
5.4.120.0110.04811.95
5.4.110.0150.04311.95
5.4.100.0140.04611.94
5.4.90.0140.04411.95
5.4.80.0300.05911.94
5.4.70.0170.04111.94
5.4.60.0200.03711.94
5.4.50.0150.04311.94
5.4.40.0160.04111.93
5.4.30.0160.04611.93
5.4.20.0130.04411.93
5.4.10.0140.04511.93
5.4.00.0130.04311.41
5.3.290.0070.03712.80
5.3.280.0040.03912.71
5.3.270.0210.07112.72
5.3.260.0200.04112.72
5.3.250.0190.04512.72
5.3.240.0180.04612.72
5.3.230.0130.04912.71
5.3.220.0170.04212.68
5.3.210.0150.04512.68
5.3.200.0260.06712.68
5.3.190.0160.04712.68
5.3.180.0210.04412.67
5.3.170.0180.04812.67
5.3.160.0150.04512.67
5.3.150.0180.04512.68
5.3.140.0150.04512.66
5.3.130.0160.04412.66
5.3.120.0150.04512.66
5.3.110.0190.04512.65
5.3.100.0270.06412.12
5.3.90.0200.04212.08
5.3.80.0150.04412.07
5.3.70.0170.04512.07
5.3.60.0220.07312.07
5.3.50.0160.04312.00
5.3.40.0110.05212.00
5.3.30.0320.06111.94
5.3.20.0210.04011.71
5.3.10.0250.04311.67
5.3.00.0180.04811.65
5.2.170.0150.0359.16
5.2.160.0130.0379.16
5.2.150.0160.0349.16
5.2.140.0150.0399.16
5.2.130.0120.0419.12
5.2.120.0450.0819.12
5.2.110.0200.0389.13
5.2.100.0150.0379.12
5.2.90.0390.0709.12
5.2.80.0160.0369.11
5.2.70.0200.0349.11
5.2.60.0220.0359.07
5.2.50.0140.0389.04
5.2.40.0100.0439.01
5.2.30.0160.0368.98
5.2.20.0270.1008.98
5.2.10.0170.0338.90
5.2.00.0170.0318.76
5.1.60.0130.0278.04
5.1.50.0110.0298.04
5.1.40.0100.0298.03
5.1.30.0130.0298.37
5.1.20.0150.0278.39
5.1.10.0260.0778.12
5.1.00.0150.0268.12
5.0.50.0100.0236.60
5.0.40.0080.0246.45
5.0.30.0090.0356.27
5.0.20.0100.0246.25
5.0.10.0100.0226.22
5.0.00.0090.0346.21
4.4.90.0190.0374.78
4.4.80.0070.0184.75
4.4.70.0060.0204.75
4.4.60.0100.0194.75
4.4.50.0080.0174.77
4.4.40.0050.0314.71
4.4.30.0080.0184.76
4.4.20.0060.0194.84
4.4.10.0070.0194.85
4.4.00.0040.0334.76
4.3.110.0090.0164.67
4.3.100.0060.0184.66
4.3.90.0410.0434.63
4.3.80.0080.0284.58
4.3.70.0090.0154.63
4.3.60.0100.0144.62
4.3.50.0080.0174.63
4.3.40.0120.0224.54
4.3.30.0070.0173.29
4.3.20.0060.0173.27
4.3.10.0050.0183.23
4.3.00.0130.0207.55

preferences:
65.78 ms | 401 KiB | 5 Q