3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; $a = 2; function foo(&$x) { return function () use (&$x) { return $x; }; } $y = foo($a); $z = foo($x); var_dump($y(), $z()); $x = 100; var_dump($y(), $z());

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)
8.3.60.0040.01218.30
8.3.50.0150.00521.21
8.3.40.0070.00718.84
8.3.30.0100.00719.12
8.3.20.0040.00420.15
8.3.10.0040.00421.96
8.3.00.0040.00422.43
8.2.180.0070.00718.41
8.2.170.0110.00322.96
8.2.160.0130.00319.20
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00819.54
8.2.110.0080.00022.08
8.2.100.0120.00018.22
8.2.90.0030.00519.11
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0030.00617.93
8.2.50.0030.00518.07
8.2.40.0000.00718.16
8.2.30.0040.00418.05
8.2.20.0070.00017.71
8.2.10.0050.00217.74
8.2.00.0060.00317.62
8.1.280.0090.01225.92
8.1.270.0090.00018.42
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.97
8.1.230.0090.00319.10
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0040.00417.53
8.1.180.0050.00320.54
8.1.170.0030.00618.59
8.1.160.0070.00022.07
8.1.150.0000.00718.57
8.1.140.0040.00417.50
8.1.130.0000.00717.70
8.1.120.0000.00717.37
8.1.110.0050.00517.33
8.1.100.0000.00717.46
8.1.90.0040.00417.33
8.1.80.0040.00417.33
8.1.70.0040.00417.43
8.1.60.0030.00517.50
8.1.50.0020.00517.45
8.1.40.0040.00417.54
8.1.30.0040.00417.65
8.1.20.0060.00317.71
8.1.10.0050.00317.53
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0070.00017.18
8.0.280.0030.00518.40
8.0.270.0000.00717.16
8.0.260.0040.00416.70
8.0.250.0030.00316.84
8.0.240.0040.00416.98
8.0.230.0030.00316.90
8.0.220.0030.00316.95
8.0.210.0080.00016.94
8.0.200.0030.00316.85
8.0.190.0000.00716.88
8.0.180.0040.00416.84
8.0.170.0060.00316.83
8.0.160.0040.00416.95
8.0.150.0000.00716.72
8.0.140.0030.00616.84
8.0.130.0050.00013.32
8.0.120.0080.00016.85
8.0.110.0000.00716.85
8.0.100.0000.00916.83
8.0.90.0050.00216.73
8.0.80.0110.01016.94
8.0.70.0040.00416.97
8.0.60.0030.00317.00
8.0.50.0000.00716.66
8.0.30.0120.01017.08
8.0.20.0100.01117.40
8.0.10.0000.00816.96
8.0.00.0080.01016.69
7.4.330.0040.00015.00
7.4.320.0060.00016.54
7.4.300.0030.00316.61
7.4.290.0040.00716.63
7.4.280.0040.00416.50
7.4.270.0040.00416.45
7.4.260.0030.00316.61
7.4.250.0000.00716.46
7.4.240.0020.00516.53
7.4.230.0000.00616.62
7.4.220.0150.00616.57
7.4.210.0100.00416.50
7.4.200.0030.00316.62
7.4.190.0000.00716.66
7.4.160.0100.00716.39
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0050.01516.54
7.4.120.0140.00516.50
7.4.110.0100.00616.54
7.4.100.0130.00316.56
7.4.90.0090.00916.39
7.4.80.0090.00919.39
7.4.70.0070.01016.28
7.4.60.0030.01316.34
7.4.50.0000.00616.50
7.4.40.0070.00522.77
7.4.30.0070.01016.56
7.4.00.0030.00914.95
7.3.330.0050.00013.29
7.3.320.0000.00513.29
7.3.310.0000.00716.32
7.3.300.0060.00016.33
7.3.290.0090.00516.32
7.3.280.0090.00716.24
7.3.270.0070.01017.40
7.3.260.0130.00716.46
7.3.250.0130.00616.48
7.3.240.0140.00416.57
7.3.230.0110.00616.57
7.3.210.0170.00016.37
7.3.200.0090.01219.39
7.3.190.0090.00916.46
7.3.180.0100.00816.47
7.3.170.0040.01116.56
7.3.160.0080.00816.32
7.3.120.0000.01715.03
7.2.330.0140.00316.70
7.2.320.0110.00816.67
7.2.310.0130.00416.63
7.2.300.0100.00716.72
7.2.290.0130.00316.66
7.2.00.0060.00919.12
7.1.70.0040.00416.90
7.1.60.0040.00717.22
7.1.50.0030.02016.96
7.1.00.0070.03322.42
7.0.200.0060.00616.46
7.0.140.0070.07322.11
7.0.60.0070.04019.78
7.0.50.0070.08017.86
7.0.40.0030.04320.21
7.0.30.0300.07720.08
7.0.20.0270.08320.15
7.0.10.0200.08320.24
7.0.00.0130.07320.06
5.6.280.0070.07021.14
5.6.210.0030.06720.52
5.6.200.0070.05018.16
5.6.190.0100.08320.77
5.6.180.3870.04720.64
5.6.170.0230.06720.44
5.6.160.0030.04020.48
5.6.150.0000.06318.23
5.6.140.0030.05318.18
5.6.130.0100.07718.17
5.6.120.0030.05021.03
5.6.110.0030.08021.13
5.6.100.0130.05021.12
5.6.90.0200.06320.96
5.6.80.0030.05720.41
5.6.70.0270.06320.36
5.5.350.0170.04020.34
5.5.340.0070.04017.96
5.5.330.0100.07720.14
5.5.320.0300.07020.36
5.5.310.0230.04320.38
5.5.300.0070.03717.95
5.5.290.0130.07718.09
5.5.280.0030.04720.98
5.5.270.0030.04020.73
5.5.260.0070.05020.88
5.5.250.0030.06720.69
5.5.240.0030.06020.29
5.4.450.0130.05719.17
5.4.440.0770.08719.71
5.4.430.0530.04319.16
5.4.420.0600.05319.18
5.4.410.0470.05319.26
5.4.400.0570.07718.78
5.4.390.0330.06318.61
5.4.380.0230.05718.64
5.4.370.0170.05018.61
5.4.360.0200.04718.63
5.4.350.0080.04612.02
5.4.340.0070.04512.02
5.4.320.0070.03612.51
5.4.310.0090.03712.50
5.4.300.0100.03312.51
5.4.290.0080.04312.50
5.4.280.0090.03612.40
5.4.270.0070.03512.40
5.4.260.0060.05112.40
5.4.250.0070.05018.89
5.4.240.0100.07718.91
5.4.230.0070.06318.88
5.4.220.0100.05718.90
5.4.210.0070.06318.89
5.4.200.0070.05718.77
5.4.190.0070.05318.76
5.4.180.0100.04718.54
5.4.170.0030.05018.91
5.4.160.0070.04718.62
5.4.150.0000.07018.97
5.4.140.0030.05316.36
5.4.130.0070.04316.47
5.4.120.0070.05716.51
5.4.110.0000.06316.55
5.4.100.0100.05716.33
5.4.90.0130.03716.45
5.4.80.0070.04716.34
5.4.70.0130.03716.37
5.4.60.0070.04316.39
5.4.50.0100.04316.50
5.4.40.0130.04716.41
5.4.30.0200.06016.38
5.4.20.0000.05316.46
5.4.10.0200.05316.34
5.4.00.0070.05715.88
5.3.290.0070.03812.80
5.3.280.0000.05314.68
5.3.270.0070.05314.74
5.3.260.0000.05714.79
5.3.250.0130.04314.78
5.3.240.0100.04314.82
5.3.230.0100.05314.43
5.3.220.0170.06014.67
5.3.210.0100.07014.57
5.3.200.0030.06014.55
5.3.190.0000.05714.42
5.3.180.0100.04714.74
5.3.170.0070.05714.65
5.3.160.0030.05014.53
5.3.150.0070.06314.73
5.3.140.0170.04314.46
5.3.130.0030.05714.68
5.3.120.0030.07014.52
5.3.110.0100.06314.38
5.3.100.0100.05314.12
5.3.90.0070.05014.00
5.3.80.0100.05013.93
5.3.70.0070.05014.01
5.3.60.0030.05014.08
5.3.50.0000.06313.96
5.3.40.0100.04314.04
5.3.30.0100.04313.91
5.3.20.0130.04013.73
5.3.10.0070.07013.63
5.3.00.0070.05313.47
5.2.170.0170.04011.12
5.2.160.0070.04011.32
5.2.150.0100.03711.21
5.2.140.0000.04311.14
5.2.130.0130.03011.18
5.2.120.0000.06011.10
5.2.110.0100.04011.18
5.2.100.0100.03711.16
5.2.90.0130.04011.06
5.2.80.0130.04011.18
5.2.70.0130.04011.15
5.2.60.0000.05711.27
5.2.50.0030.05711.02
5.2.40.0130.04311.09
5.2.30.0070.05311.13
5.2.20.0170.04710.92
5.2.10.0070.03710.69
5.2.00.0070.03710.70
5.1.60.0030.03710.17
5.1.50.0070.04310.00
5.1.40.0070.03010.13
5.1.30.0130.04010.16
5.1.20.0070.03310.57
5.1.10.0000.03710.16
5.1.00.0070.03310.13
5.0.50.0030.0278.52
5.0.40.0030.0278.56
5.0.30.0000.0438.20
5.0.20.0030.0238.22
5.0.10.0070.0238.09
5.0.00.0030.0408.22
4.4.90.0100.0137.07
4.4.80.0030.0307.06
4.4.70.0030.0307.06
4.4.60.0030.0277.06
4.4.50.0070.0277.06
4.4.40.0000.0377.06
4.4.30.0000.0237.06
4.4.20.0000.0237.07
4.4.10.0000.0237.07
4.4.00.0000.0337.07
4.3.110.0000.0237.07
4.3.100.0030.0207.07
4.3.90.0000.0207.07
4.3.80.0070.0277.07
4.3.70.0000.0207.07
4.3.60.0030.0237.07
4.3.50.0000.0237.07
4.3.40.0000.0337.07
4.3.30.0030.0307.07
4.3.20.0000.0237.07
4.3.10.0030.0207.07
4.3.00.0130.0276.55

preferences:
56.5 ms | 401 KiB | 5 Q