3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1, 2, 3, 4); foreach ($arr as $value) { $value = $value * 2; echo $value; } // $arr is now array(2, 4, 6, 8) unset($value); // break the reference with the last element ?>

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)
8.3.60.0120.00618.43
8.3.50.0050.00921.15
8.3.40.0070.00718.73
8.3.30.0070.00720.16
8.3.20.0000.00720.16
8.3.10.0040.00421.13
8.3.00.0040.00422.42
8.2.180.0110.00716.38
8.2.170.0100.00722.96
8.2.160.0030.01022.20
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0180.00020.71
8.2.110.0030.00622.20
8.2.100.0040.00817.91
8.2.90.0040.00419.08
8.2.80.0060.00318.04
8.2.70.0000.00817.38
8.2.60.0000.00817.93
8.2.50.0070.00318.07
8.2.40.0030.00618.28
8.2.30.0040.00419.49
8.2.20.0070.00017.66
8.2.10.0000.00717.60
8.2.00.0040.00417.66
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0040.00720.90
8.1.220.0030.00518.77
8.1.210.0030.00720.78
8.1.200.0030.00617.25
8.1.190.0080.00017.42
8.1.180.0050.00318.10
8.1.170.0030.00518.53
8.1.160.0000.00818.94
8.1.150.0040.00418.63
8.1.140.0040.00417.49
8.1.130.0070.00017.70
8.1.120.0030.00317.34
8.1.110.0040.00417.45
8.1.100.0000.00717.47
8.1.90.0030.00517.44
8.1.80.0040.00417.30
8.1.70.0000.00717.47
8.1.60.0050.00317.60
8.1.50.0040.00417.40
8.1.40.0000.00717.53
8.1.30.0000.00817.50
8.1.20.0040.00417.52
8.1.10.0040.00417.49
8.1.00.0040.00417.34
8.0.300.0080.00019.98
8.0.290.0040.00417.18
8.0.280.0030.00318.45
8.0.270.0030.00317.25
8.0.260.0000.00716.76
8.0.250.0030.00617.02
8.0.240.0060.00316.82
8.0.230.0000.00716.95
8.0.220.0030.00316.89
8.0.210.0040.00416.88
8.0.200.0030.00316.94
8.0.190.0030.00317.03
8.0.180.0000.00816.94
8.0.170.0000.00716.81
8.0.160.0080.00016.88
8.0.150.0000.00716.80
8.0.140.0000.01116.88
8.0.130.0000.00613.27
8.0.120.0000.00716.75
8.0.110.0050.00216.89
8.0.100.0000.00716.71
8.0.90.0030.00316.89
8.0.80.0140.00016.93
8.0.70.0030.00516.85
8.0.60.0000.00716.96
8.0.50.0000.00716.87
8.0.30.0090.01016.94
8.0.20.0110.00917.40
8.0.10.0000.00716.98
8.0.00.0080.01016.79
7.4.330.0050.00016.69
7.4.320.0030.00316.43
7.4.300.0030.00316.58
7.4.290.0030.00516.64
7.4.280.0030.00616.59
7.4.270.0070.00016.49
7.4.260.0000.00513.30
7.4.250.0080.00016.55
7.4.240.0030.00316.62
7.4.230.0040.00416.34
7.4.220.0100.01116.61
7.4.210.0060.01016.59
7.4.200.0070.00016.62
7.4.190.0000.00716.46
7.4.160.0030.01316.36
7.4.150.0110.00917.40
7.4.140.0110.00917.86
7.4.130.0100.00716.53
7.4.120.0050.01116.60
7.4.110.0130.00316.66
7.4.100.0150.00616.70
7.4.90.0110.01116.60
7.4.80.0100.01719.39
7.4.70.0170.00316.24
7.4.60.0090.00916.58
7.4.50.0030.00516.34
7.4.40.0070.00722.77
7.4.30.0080.00816.51
7.4.00.0070.01015.00
7.3.330.0050.00013.16
7.3.320.0000.00513.17
7.3.310.0030.00316.36
7.3.300.0000.00716.16
7.3.290.0060.01016.23
7.3.280.0080.00816.25
7.3.270.0060.01117.40
7.3.260.0050.01218.24
7.3.250.0120.00816.43
7.3.240.0100.00616.51
7.3.230.0090.00616.39
7.3.210.0100.00716.69
7.3.200.0140.01019.39
7.3.190.0070.01016.53
7.3.180.0110.01116.46
7.3.170.0120.00316.50
7.3.160.0080.00816.49
7.3.120.0070.00714.66
7.3.10.0000.01616.53
7.3.00.0030.00816.66
7.2.330.0170.00016.44
7.2.320.0130.00716.74
7.2.310.0180.00616.64
7.2.300.0090.01216.60
7.2.290.0150.00316.71
7.2.130.0060.01016.92
7.2.120.0070.00716.58
7.2.110.0080.00416.45
7.2.100.0090.00316.78
7.2.90.0060.00916.77
7.2.80.0000.01416.72
7.2.70.0040.00816.35
7.2.60.0090.00616.62
7.2.50.0060.00316.75
7.2.40.0100.00716.66
7.2.30.0090.00316.50
7.2.20.0130.00316.86
7.2.10.0040.01116.91
7.2.00.0030.00716.95
7.1.250.0100.00315.61
7.1.70.0060.00617.16
7.1.60.0100.01319.17
7.1.50.0090.00934.54
7.1.00.0100.06322.31
7.0.200.0030.00316.74
7.0.140.0030.06721.92
7.0.70.0000.04321.68
7.0.60.0030.04021.79
7.0.50.0000.04322.04
7.0.40.0070.06320.10
7.0.30.0070.06320.08
7.0.20.0030.04320.17
7.0.10.0000.06720.03
7.0.00.0030.04020.09
5.6.280.0000.07720.77
5.6.220.0070.03320.61
5.6.210.0000.03720.76
5.6.200.0030.04021.11
5.6.190.0030.05321.09
5.6.180.0000.07721.07
5.6.170.0000.04321.01
5.6.160.0070.04021.04
5.6.150.0030.04021.09
5.6.140.0070.06020.98
5.6.130.0070.03021.07
5.6.120.0030.05021.08
5.6.110.0000.03721.16
5.6.100.0070.03721.02
5.6.90.0100.03321.14
5.6.80.0070.03720.49
5.6.70.0030.03720.33
5.6.60.0030.03720.48
5.6.50.0030.03720.42
5.6.40.0030.04720.31
5.6.30.0070.03720.30
5.6.20.0070.04020.46
5.6.10.0070.03320.45
5.6.00.0000.04020.43
5.5.360.0130.03020.41
5.5.350.0070.03720.39
5.5.340.0000.04320.79
5.5.330.0000.04320.91
5.5.320.0030.04320.64
5.5.310.0030.04020.92
5.5.300.0030.04320.74
5.5.290.0030.04020.86
5.5.280.0000.04720.75
5.5.270.0100.03320.91
5.5.260.0100.03320.74
5.5.250.0030.04020.64
5.5.240.0000.03320.31
5.5.230.0000.04720.28
5.5.220.0000.04320.12
5.5.210.0000.04020.30
5.5.200.0000.07720.19
5.5.190.0000.04020.26
5.5.180.0070.07020.11
5.5.160.0030.03720.24
5.5.150.0030.04320.14
5.5.140.0130.05020.21
5.5.130.0030.08020.06
5.5.120.0000.08019.98
5.5.110.0030.08320.21
5.5.100.0030.07020.00
5.5.90.0100.03320.04
5.5.80.0100.07320.06
5.5.70.0100.06019.93
5.5.60.0030.07720.09
5.5.50.0070.08020.05
5.5.40.0000.07020.04
5.5.30.0030.04720.08
5.5.20.0000.08019.92
5.5.10.0100.07019.96
5.5.00.0030.04320.04
5.4.450.0000.04719.36
5.4.440.0000.06319.13
5.4.430.0000.04019.46
5.4.420.0030.04019.21
5.4.410.0030.06319.27
5.4.400.0000.03718.95
5.4.390.0030.03719.12
5.4.380.0000.03719.13
5.4.370.0000.03719.05
5.4.360.0030.03719.03
5.4.350.0070.03319.16
5.4.340.0030.05719.06
5.4.320.0030.05319.07
5.4.310.0030.05018.81
5.4.300.0030.07718.94
5.4.290.0030.05319.07
5.4.280.0100.07319.14
5.4.270.0030.07319.25
5.4.260.0000.07019.05
5.4.250.0030.04319.09
5.4.240.0070.05719.22
5.4.230.0000.08019.24
5.4.220.0070.08319.11
5.4.210.0000.07718.97
5.4.200.0100.07318.80
5.4.190.0000.07718.95
5.4.180.0000.06319.06
5.4.170.0070.03719.22
5.4.160.0030.07018.79
5.4.150.0070.06318.94
5.4.140.0070.07016.37
5.4.130.0100.04716.28
5.4.120.0000.05716.11
5.4.110.0100.07016.46
5.4.100.0130.06016.21
5.4.90.0030.05716.43
5.4.80.0070.07316.19
5.4.70.0070.05316.33
5.4.60.0030.07016.38
5.4.50.0030.07316.23
5.4.40.0070.04316.23
5.4.30.0070.07016.22
5.4.20.0070.07016.39
5.4.10.0100.07316.34
5.4.00.0070.07015.71
5.3.290.0000.04714.60
5.3.280.0000.07714.58
5.3.270.0070.07314.44
5.3.260.0000.07714.46
5.3.250.0000.08314.45
5.3.240.0070.07314.51
5.3.230.0070.07714.57
5.3.220.0030.06014.42
5.3.210.0100.07014.42
5.3.200.0000.06014.50
5.3.190.0030.07714.55
5.3.180.0030.07714.47
5.3.170.0070.07714.55
5.3.160.0030.07314.39
5.3.150.0070.07314.54
5.3.140.0030.07314.38
5.3.130.0000.08014.50
5.3.120.0000.08314.47
5.3.110.0030.06014.36
5.3.100.0000.05713.86
5.3.90.0000.05013.99
5.3.80.0000.03713.78
5.3.70.0030.03313.95
5.3.60.0070.04713.76
5.3.50.0000.07013.70
5.3.40.0070.07313.88
5.3.30.0100.05013.87
5.3.20.0070.04713.55
5.3.10.0000.07013.42
5.3.00.0030.05713.63
5.2.170.0030.06312.24
5.2.160.0000.06712.24
5.2.150.0070.05012.24
5.2.140.0030.06012.24
5.2.130.0030.03012.24
5.2.120.0070.06012.24
5.2.110.0070.05312.24
5.2.100.0030.04712.24
5.2.90.0070.05312.24
5.2.80.0000.04312.24
5.2.70.0000.04012.24
5.2.60.0030.05312.24
5.2.50.0000.05012.24
5.2.40.0030.04012.24
5.2.30.0030.06712.24
5.2.20.0030.06012.24
5.2.10.0000.06712.24
5.2.00.0030.06312.24
5.1.60.0030.04712.24
5.1.50.0000.05312.24
5.1.40.0000.04312.24
5.1.30.0000.06312.24
5.1.20.0000.05312.24
5.1.10.0000.04312.24
5.1.00.0000.06012.24
5.0.50.0030.03012.24
5.0.40.0030.03312.24
5.0.30.0000.06312.24
5.0.20.0070.04012.24
5.0.10.0000.04712.24
5.0.00.0000.06712.24
4.4.90.0030.03312.24
4.4.80.0000.03312.24
4.4.70.0030.03312.24
4.4.60.0000.02712.24
4.4.50.0000.04012.24
4.4.40.0000.03712.24
4.4.30.0030.03312.24
4.4.20.0030.03712.24
4.4.10.0030.02712.24
4.4.00.0100.02712.24
4.3.110.0000.03712.24
4.3.100.0030.03312.24
4.3.90.0070.03312.24
4.3.80.0000.04012.24
4.3.70.0000.02712.24
4.3.60.0000.03712.24
4.3.50.0030.03312.24
4.3.40.0000.04712.24
4.3.30.0000.03312.24
4.3.20.0030.03312.24
4.3.10.0030.03312.24
4.3.00.0070.02312.24

preferences:
66.06 ms | 400 KiB | 5 Q