3v4l.org

run code in 300+ PHP versions simultaneously
<?php function simple ( & $var) { $var = 2; } $lambda = function( & $var) { $var = 2; }; $var1 = 1; simple($var1); var_dump($var1); $var2 = 1; $lambda($var2); var_dump($var2);

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)
8.3.60.0070.00718.43
8.3.50.0070.01121.18
8.3.40.0070.00718.41
8.3.30.0060.00818.91
8.3.20.0040.00420.38
8.3.10.0040.00423.51
8.3.00.0040.00419.13
8.2.180.0150.00018.16
8.2.170.0100.01022.96
8.2.160.0140.00319.04
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0050.00226.16
8.2.120.0070.00022.18
8.2.110.0060.00320.48
8.2.100.0080.00317.97
8.2.90.0080.00019.05
8.2.80.0080.00017.97
8.2.70.0060.00317.50
8.2.60.0080.00417.93
8.2.50.0030.00518.07
8.2.40.0040.00420.07
8.2.30.0080.00018.06
8.2.20.0000.00717.73
8.2.10.0070.00018.17
8.2.00.0020.00517.70
8.1.280.0070.00725.92
8.1.270.0030.00621.77
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0060.00923.93
8.1.230.0070.00322.24
8.1.220.0040.00417.78
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.50
8.1.160.0020.00521.88
8.1.150.0040.00418.80
8.1.140.0050.00317.44
8.1.130.0030.00317.74
8.1.120.0040.00417.41
8.1.110.0080.00017.48
8.1.100.0000.00717.39
8.1.90.0000.00717.48
8.1.80.0070.00017.52
8.1.70.0070.00017.39
8.1.60.0060.00317.59
8.1.50.0000.00817.54
8.1.40.0000.00817.57
8.1.30.0030.00617.54
8.1.20.0040.00417.50
8.1.10.0090.00017.44
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.32
8.0.270.0030.00317.11
8.0.260.0030.00317.18
8.0.250.0000.00716.92
8.0.240.0040.00416.79
8.0.230.0030.00316.89
8.0.220.0060.00316.71
8.0.210.0040.00316.80
8.0.200.0000.00716.84
8.0.190.0030.00516.82
8.0.180.0040.00416.81
8.0.170.0050.00316.96
8.0.160.0030.00316.88
8.0.150.0040.00416.73
8.0.140.0000.01016.85
8.0.130.0000.00613.36
8.0.120.0030.00516.90
8.0.110.0040.00416.82
8.0.100.0040.00416.80
8.0.90.0070.00016.69
8.0.80.0060.00916.77
8.0.70.0000.00816.77
8.0.60.0040.00416.76
8.0.50.0040.00416.75
8.0.30.0100.00816.84
8.0.20.0110.00917.40
8.0.10.0040.00416.84
8.0.00.0080.00916.99
7.4.330.0050.00015.00
7.4.320.0000.00716.53
7.4.300.0030.00316.40
7.4.290.0030.00316.62
7.4.280.0050.00516.46
7.4.270.0030.00316.52
7.4.260.0030.00316.46
7.4.250.0070.00016.59
7.4.240.0030.00316.52
7.4.230.0000.00816.41
7.4.220.0130.00616.53
7.4.210.0140.00616.47
7.4.200.0070.00016.60
7.4.160.0090.00616.57
7.4.150.0170.00817.40
7.4.140.0080.01417.86
7.4.130.0140.00516.48
7.4.120.0080.01216.57
7.4.110.0060.01216.40
7.4.100.0070.01116.39
7.4.90.0000.01816.47
7.4.80.0060.01519.39
7.4.70.0060.01016.64
7.4.60.0060.01016.59
7.4.50.0000.00416.54
7.4.40.0100.00616.50
7.4.30.0120.00916.49
7.4.00.0050.01115.07
7.3.330.0000.00513.19
7.3.320.0000.00613.27
7.3.310.0070.00016.21
7.3.300.0060.00016.15
7.3.290.0130.00016.25
7.3.280.0080.01216.24
7.3.270.0110.01117.40
7.3.260.0110.00616.42
7.3.250.0150.00616.34
7.3.240.0060.01616.33
7.3.230.0040.00616.39
7.3.210.0030.01416.33
7.3.200.0000.01519.39
7.3.190.0110.00716.41
7.3.180.0180.00016.45
7.3.170.0110.00616.55
7.3.160.0100.01016.23
7.3.120.0060.01314.74
7.3.110.0030.01314.89
7.3.100.0040.01114.63
7.3.90.0040.00814.57
7.3.80.0080.00314.83
7.3.70.0000.01314.69
7.3.60.0000.01514.84
7.3.50.0030.00914.54
7.3.40.0030.00914.76
7.3.30.0000.01514.81
7.3.20.0070.00716.33
7.3.10.0040.00916.56
7.3.00.0040.01116.59
7.2.330.0100.00716.54
7.2.320.0060.01016.57
7.2.310.0100.00716.49
7.2.300.0100.00716.74
7.2.290.0120.00616.46
7.2.250.0080.01115.17
7.2.240.0090.00714.70
7.2.230.0000.01114.81
7.2.220.0090.00614.52
7.2.210.0120.00615.16
7.2.200.0060.01214.85
7.2.190.0110.00714.73
7.2.180.0090.00614.87
7.2.170.0090.00614.97
7.2.130.0000.01216.54
7.2.120.0030.01016.87
7.2.110.0040.01216.88
7.2.100.0080.00316.95
7.2.90.0030.00916.85
7.2.80.0060.00316.73
7.2.70.0030.01316.91
7.2.60.0100.00316.54
7.2.50.0040.00816.86
7.2.40.0030.00917.04
7.2.30.0090.00316.89
7.2.20.0000.01316.78
7.2.10.0090.00616.88
7.2.00.0040.00717.99
7.1.330.0170.00315.48
7.1.320.0030.00915.62
7.1.310.0090.00915.65
7.1.300.0060.00915.72
7.1.290.0090.00915.80
7.1.280.0030.01415.71
7.1.270.0100.00315.50
7.1.260.0100.01015.54
7.1.250.0000.01115.55
7.1.200.0050.00515.92
7.1.100.0030.00617.84
7.1.70.0040.00417.03
7.1.60.0070.01719.11
7.1.50.0170.01034.83
7.1.00.0100.07022.44
7.0.200.0000.00816.71
7.0.140.0030.07322.15
7.0.60.0030.08319.95
7.0.50.0070.05317.87
7.0.40.0100.07320.18
7.0.30.0270.06020.08
7.0.20.0170.04020.09
7.0.10.0130.07720.23
7.0.00.0200.02720.07
5.6.280.0030.07321.11
5.6.210.0100.07720.54
5.6.200.0070.04718.20
5.6.190.0070.08720.68
5.6.180.0430.07020.48
5.6.170.0300.08020.62
5.6.160.0030.09020.54
5.6.150.0030.04018.29
5.6.140.0030.05318.21
5.6.130.0030.08318.18
5.6.120.0130.07320.80
5.6.110.0030.06021.05
5.6.100.0070.07321.11
5.6.90.0030.05320.94
5.6.80.0100.08320.52
5.5.350.0170.07720.36
5.5.340.0070.07317.98
5.5.330.0070.07320.47
5.5.320.0430.06020.24
5.5.310.0230.07320.38
5.5.300.0070.08018.08
5.5.290.0100.08018.06
5.5.280.0070.07320.77
5.5.270.0100.05020.95
5.5.260.0130.07720.77
5.5.250.0070.07720.61
5.5.240.0270.05720.16
5.4.450.0730.05719.39
5.4.440.0770.06719.30
5.4.430.0870.05319.47
5.4.420.0700.00019.51
5.4.410.0630.00019.40
5.4.400.0700.00019.25
5.4.390.0830.00019.02
5.4.380.0770.00019.24
5.4.370.0630.00019.15
5.4.360.0630.00019.06
5.4.350.0670.00018.98
5.4.340.0060.03412.02
5.4.320.0060.03612.50
5.4.310.0050.03912.50
5.4.300.0070.03412.51
5.4.290.0060.03712.50
5.4.280.0040.03912.40
5.4.270.0040.03712.40
5.4.260.0080.03312.40
5.4.250.0040.04012.40
5.4.240.0040.03712.39
5.4.230.0070.04112.39
5.4.220.0040.04212.39
5.4.210.0070.03412.39
5.4.200.0050.03912.39
5.4.190.0030.04112.39
5.4.180.0020.04012.39
5.4.170.0030.03812.40
5.4.160.0080.03312.39
5.4.150.0070.04212.39
5.4.140.0090.03912.07
5.4.130.0100.03412.06
5.4.120.0040.04112.02
5.4.110.0070.04312.01
5.4.100.0040.03612.01
5.4.90.0030.04412.01
5.4.80.0060.03512.02
5.4.70.0040.03512.01
5.4.60.0070.03312.01
5.4.50.0090.03112.00
5.4.40.0070.03312.00
5.4.30.0030.03811.99
5.4.20.0030.03711.99
5.4.10.0040.03612.00
5.4.00.0040.03811.48
5.3.290.0080.03712.80
5.3.280.0040.03912.71
5.3.270.0050.03912.72
5.3.260.0110.03312.72
5.3.250.0060.03712.72
5.3.240.0050.03612.72
5.3.230.0040.03912.71
5.3.220.0060.03512.68
5.3.210.0070.03612.68
5.3.200.0050.03612.68
5.3.190.0090.03312.68
5.3.180.0070.03412.67
5.3.170.0050.03712.67
5.3.160.0060.03512.67
5.3.150.0050.03612.67
5.3.140.0070.03512.66
5.3.130.0070.03912.66
5.3.120.0060.03812.66
5.3.110.0060.04012.66
5.3.100.0050.03912.13
5.3.90.0070.03512.11
5.3.80.0050.03612.09
5.3.70.0080.03812.10
5.3.60.0050.04112.07
5.3.50.0060.03912.02
5.3.40.0070.03812.02
5.3.30.0100.03312.00
5.3.20.0020.03711.77
5.3.10.0090.03811.73
5.3.00.0050.03611.72
5.2.170.0040.0309.22
5.2.160.0050.0319.21
5.2.150.0060.0289.22
5.2.140.0030.0319.21
5.2.130.0040.0289.18
5.2.120.0080.0319.17
5.2.110.0050.0279.18
5.2.100.0050.0329.18
5.2.90.0020.0359.18
5.2.80.0060.0309.18
5.2.70.0060.0339.17
5.2.60.0030.0379.13
5.2.50.0080.0279.09
5.2.40.0050.0309.07
5.2.30.0040.0319.05
5.2.20.0030.0309.04
5.2.10.0050.0268.95
5.2.00.0050.0328.80
5.1.60.0080.0218.09
5.1.50.0050.0238.08
5.1.40.0030.0258.07
5.1.30.0070.0228.42
5.1.20.0060.0248.44
5.1.10.0050.0248.16
5.1.00.0030.0268.16
5.0.50.0040.0196.64
5.0.40.0050.0176.50
5.0.30.0020.0366.31
5.0.20.0040.0176.28
5.0.10.0060.0166.25
5.0.00.0070.0296.25
4.4.90.0030.0154.77
4.4.80.0020.0154.75
4.4.70.0020.0164.76
4.4.60.0030.0144.76
4.4.50.0050.0124.77
4.4.40.0020.0254.71
4.4.30.0020.0154.75
4.4.20.0020.0164.84
4.4.10.0060.0134.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.67
4.3.90.0040.0134.64
4.3.80.0020.0334.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0284.54
4.3.30.0030.0183.30
4.3.20.0020.0163.28
4.3.10.0020.0153.24
4.3.00.0130.0207.10

preferences:
44.05 ms | 401 KiB | 5 Q