3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = 0; $result2 = 1; $one = function() { var_dump($result); }; $two = function() use ($result) { var_dump($result); }; $three = function() use (&$result) { var_dump($result); }; $four = function($result) use (&$result2) { var_dump($result); }; $result++; $one(); // outputs NULL: $result is not in scope $two(); // outputs int(0): $result was copied $three(); // outputs int(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)
8.3.40.0110.00818.89
8.3.30.0090.00618.82
8.3.20.0000.00818.76
8.3.10.0040.00420.65
8.3.00.0000.00819.25
8.2.170.0100.00722.96
8.2.160.0090.00921.06
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00919.83
8.2.110.0100.00021.00
8.2.100.0060.00617.78
8.2.90.0030.00619.08
8.2.80.0030.00518.04
8.2.70.0070.00317.75
8.2.60.0040.00418.03
8.2.50.0050.00318.07
8.2.40.0050.00318.03
8.2.30.0040.00418.13
8.2.20.0040.00417.72
8.2.10.0040.00417.66
8.2.00.0000.00817.82
8.1.270.0050.00324.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.64
8.1.230.0080.00420.86
8.1.220.0000.00817.79
8.1.210.0080.00018.96
8.1.200.0030.00617.35
8.1.190.0000.00817.52
8.1.180.0060.00318.10
8.1.170.0000.00718.71
8.1.160.0030.00618.86
8.1.150.0040.00418.56
8.1.140.0070.00317.34
8.1.130.0080.00017.75
8.1.120.0050.00217.38
8.1.110.0050.00317.46
8.1.100.0000.00717.47
8.1.90.0000.00717.52
8.1.80.0030.00317.34
8.1.70.0030.00317.48
8.1.60.0050.00317.55
8.1.50.0040.00417.37
8.1.40.0080.00017.48
8.1.30.0040.00417.67
8.1.20.0000.00817.49
8.1.10.0000.00717.49
8.1.00.0120.00017.43
8.0.300.0040.00419.98
8.0.290.0000.00716.75
8.0.280.0070.00018.32
8.0.270.0030.00317.18
8.0.260.0030.00316.88
8.0.250.0040.00417.04
8.0.240.0030.00616.99
8.0.230.0030.00317.02
8.0.220.0000.00717.00
8.0.210.0040.00416.86
8.0.200.0000.00617.04
8.0.190.0030.00516.90
8.0.180.0030.00316.97
8.0.170.0000.00816.82
8.0.160.0000.00816.96
8.0.150.0040.00416.86
8.0.140.0060.00616.82
8.0.130.0000.00613.42
8.0.120.0000.00816.93
8.0.110.0070.00017.01
8.0.100.0000.00817.00
8.0.90.0000.00717.02
8.0.80.0070.00716.88
8.0.70.0000.00717.02
8.0.60.0030.00516.99
8.0.50.0050.00316.84
8.0.30.0130.00517.30
8.0.20.0090.01017.11
8.0.10.0040.00417.05
8.0.00.0090.00916.78
7.4.330.0000.00513.00
7.4.320.0040.00416.51
7.4.300.0000.00616.49
7.4.290.0030.00316.49
7.4.280.0020.00516.60
7.4.270.0000.00716.58
7.4.260.0060.00013.30
7.4.250.0000.01016.51
7.4.240.0070.00016.59
7.4.230.0070.00016.67
7.4.220.0060.01216.55
7.4.210.0060.01116.65
7.4.200.0000.00716.61
7.4.190.0000.00716.45
7.4.160.0130.00716.50
7.4.150.0150.00316.40
7.4.140.0120.00916.49
7.4.130.0130.00716.55
7.4.120.0080.00916.54
7.4.110.0150.00316.63
7.4.100.0080.00816.36
7.4.90.0150.01316.52
7.4.80.0090.01316.54
7.4.70.0080.00816.42
7.4.60.0110.00716.57
7.4.50.0050.00016.76
7.4.40.0030.01416.68
7.4.30.0130.00616.52
7.4.10.0000.01616.72
7.4.00.0070.00915.85
7.3.330.0030.00313.23
7.3.320.0050.00013.20
7.3.310.0000.00616.37
7.3.300.0050.00216.24
7.3.290.0100.01016.36
7.3.280.0090.00916.37
7.3.270.0060.01616.32
7.3.260.0080.00816.48
7.3.250.0100.01016.43
7.3.240.0120.00616.38
7.3.230.0100.00716.35
7.3.210.0150.00416.52
7.3.200.0110.00719.39
7.3.190.0090.00916.39
7.3.180.0130.00316.41
7.3.170.0120.00316.36
7.3.160.0060.00916.33
7.3.130.0070.01016.33
7.3.120.0050.01215.58
7.3.110.0030.01216.27
7.3.100.0150.00316.46
7.3.90.0040.01516.42
7.3.80.0050.00516.53
7.3.70.0080.00416.21
7.3.60.0060.00916.23
7.3.50.0030.01016.25
7.3.40.0050.00516.22
7.3.30.0040.01116.39
7.3.20.0060.00918.19
7.3.10.0070.00318.36
7.3.00.0040.01118.10
7.2.330.0160.00816.76
7.2.320.0070.01016.29
7.2.310.0080.01216.68
7.2.300.0160.00016.61
7.2.290.0150.00316.65
7.2.260.0030.01716.39
7.2.250.0030.01716.30
7.2.240.0070.00716.64
7.2.230.0040.00816.33
7.2.220.0040.01516.22
7.2.210.0030.00916.39
7.2.200.0030.00716.56
7.2.190.0060.00916.29
7.2.180.0100.00016.37
7.2.170.0030.00616.55
7.2.160.0060.00916.37
7.2.150.0060.00918.17
7.2.140.0000.01018.11
7.2.130.0030.01018.19
7.2.120.0000.01118.32
7.2.110.0090.00318.18
7.2.100.0040.00818.07
7.2.90.0030.00718.32
7.2.80.0000.01518.27
7.2.70.0030.00918.37
7.2.60.0090.00618.18
7.2.50.0120.00318.29
7.2.40.0030.01318.52
7.2.30.0070.01418.35
7.2.20.0090.00618.49
7.2.10.0060.01018.42
7.2.00.0070.00318.27
7.1.330.0060.00917.39
7.1.320.0060.00617.41
7.1.310.0060.01017.37
7.1.300.0040.01217.41
7.1.290.0000.01217.47
7.1.280.0030.00617.54
7.1.270.0060.00617.24
7.1.260.0040.01117.22
7.1.250.0060.00317.30
7.1.240.0030.00717.29
7.1.230.0000.00917.15
7.1.220.0100.00717.39
7.1.210.0070.00417.38
7.1.200.0040.01117.46
7.1.190.0030.01017.46
7.1.180.0100.00317.34
7.1.170.0000.01417.34
7.1.160.0030.01317.42
7.1.150.0030.00717.25
7.1.140.0120.00317.45
7.1.130.0110.00317.33
7.1.120.0070.01017.30
7.1.110.0000.01017.31
7.1.100.0060.00917.52
7.1.90.0030.01217.43
7.1.80.0030.01417.41
7.1.70.0070.00417.24
7.1.60.0060.01418.31
7.1.50.0080.01117.15
7.1.40.0000.01517.42
7.1.30.0030.01317.38
7.1.20.0070.00717.52
7.1.10.0070.01017.20
7.1.00.0030.04119.85
7.0.330.0030.00916.96
7.0.320.0030.00917.19
7.0.310.0090.00017.07
7.0.300.0030.01017.03
7.0.290.0100.01016.95
7.0.280.0070.00716.88
7.0.270.0100.00017.00
7.0.260.0070.00716.98
7.0.250.0060.00817.14
7.0.240.0080.00416.94
7.0.230.0090.00617.11
7.0.220.0070.01016.91
7.0.210.0090.00917.21
7.0.200.0040.00816.70
7.0.190.0130.00017.11
7.0.180.0060.01016.89
7.0.170.0120.00317.06
7.0.160.0000.01117.14
7.0.150.0040.01117.03
7.0.140.0070.04019.56
7.0.130.0090.00617.14
7.0.120.0100.03519.51
7.0.110.0100.00316.94
7.0.100.0030.01016.92
7.0.90.0030.01016.93
7.0.80.0070.00317.17
7.0.70.0040.00816.99
7.0.60.0050.04718.47
7.0.50.0060.04817.46
7.0.40.0070.03817.55
7.0.30.0220.03717.49
7.0.20.0180.03817.64
7.0.10.0110.04417.72
7.0.00.0070.02317.58
5.6.400.0060.00916.06
5.6.390.0100.00315.72
5.6.380.0060.00915.93
5.6.370.0100.00015.91
5.6.360.0040.01115.75
5.6.350.0060.00815.81
5.6.340.0000.01015.64
5.6.330.0110.00316.09
5.6.320.0060.00315.89
5.6.310.0070.00715.85
5.6.300.0070.00715.50
5.6.290.0140.00315.87
5.6.280.0050.04018.31
5.6.270.0040.01115.65
5.6.260.0060.00315.83
5.6.250.0040.01115.92
5.6.240.0060.01015.86
5.6.230.0030.00916.14
5.6.220.0070.00715.77
5.6.210.0060.04618.36
5.6.200.0000.02617.10
5.6.190.0080.02118.15
5.6.180.0180.02218.29
5.6.170.0130.03418.21
5.6.160.0070.03018.09
5.6.150.0050.03417.03
5.6.140.0060.02417.08
5.6.130.0090.02816.96
5.6.120.0080.02718.46
5.6.110.0070.04518.51
5.6.100.0070.03018.55
5.6.90.0030.04018.32
5.6.80.0080.03318.01
5.6.70.1930.02517.93
5.6.60.0030.00615.66
5.6.50.0040.01015.71
5.6.40.0080.00415.88
5.6.30.0060.00315.73
5.6.20.0030.01015.78
5.6.10.0090.00615.92
5.6.00.0070.00715.79
5.5.380.0060.00315.64
5.5.370.0060.00615.85
5.5.360.0070.00715.57
5.5.350.0170.02918.12
5.5.340.0050.04016.95
5.5.330.0050.04417.96
5.5.320.0140.02318.17
5.5.310.0150.03118.19
5.5.300.0070.04216.94
5.5.290.0100.04017.00
5.5.280.0130.02218.36
5.5.270.0120.04218.46
5.5.260.0100.03218.21
5.5.250.0070.02818.20
5.5.240.0040.02217.97
5.5.230.0090.00615.89
5.5.220.0060.00615.92
5.5.210.0060.00915.82
5.5.200.0070.00415.65
5.5.190.0130.00015.59
5.5.180.0040.01115.71
5.5.170.0090.00315.87
5.5.160.0070.00715.74
5.5.150.0000.01115.50
5.5.140.0030.01015.90
5.5.130.0070.00315.70
5.5.120.0120.00415.80
5.5.110.0110.00715.66
5.5.100.0060.00315.44
5.5.90.0000.01115.59
5.5.80.0040.00815.83
5.5.70.0030.01115.72
5.5.60.0050.00515.69
5.5.50.0000.01415.85
5.5.40.0000.01015.63
5.5.30.0100.00715.63
5.5.20.0070.00715.81
5.5.10.0120.00315.79
5.5.00.0070.00315.56
5.4.450.0270.02716.58
5.4.440.0170.02816.54
5.4.430.0180.02916.50
5.4.420.0220.02416.41
5.4.410.0370.02216.33
5.4.400.0280.02316.31
5.4.390.0220.02616.14
5.4.380.0230.01816.14
5.4.370.0250.02816.14
5.4.360.0200.02416.14
5.4.350.0300.01716.07
5.4.340.0130.02515.96
5.4.330.0080.00612.69
5.4.320.0200.02615.94
5.4.310.0200.02715.94
5.4.300.0260.02315.93
5.4.290.0080.02315.95
5.4.280.0200.02915.86
5.4.270.0330.01315.96
5.4.260.0170.02515.84
5.4.250.0310.02615.86
5.4.240.0380.01815.87
5.4.230.0320.02415.92
5.4.220.0270.02215.79
5.4.210.0150.02515.93
5.4.200.0210.02515.84
5.4.190.0300.02515.82
5.4.180.0250.02315.95
5.4.170.0160.02215.90
5.4.160.0280.02315.90
5.4.150.0250.01815.88
5.4.140.0330.02015.48
5.4.130.0180.02015.48
5.4.120.0260.01715.48
5.4.110.0450.02115.34
5.4.100.0550.01815.34
5.4.90.0260.02315.34
5.4.80.0150.02715.34
5.4.70.0310.02215.33
5.4.60.0390.02215.33
5.4.50.0270.02015.33
5.4.40.0230.01715.21
5.4.30.0420.02315.21
5.4.20.0280.02215.07
5.4.10.0250.02515.11
5.4.00.0140.02015.07
5.3.290.0270.02416.07
5.3.280.0280.02215.98
5.3.270.0320.02515.67
5.3.260.0200.02515.74
5.3.250.0350.01715.64
5.3.240.0250.02115.60
5.3.230.0280.01815.62
5.3.220.0300.02715.61
5.3.210.0280.02115.46
5.3.200.0430.02215.46
5.3.190.0200.02215.49
5.3.180.0220.02215.47
5.3.170.0220.02015.63
5.3.160.0430.02115.52
5.3.150.0280.02115.53
5.3.140.0280.02015.55
5.3.130.0220.02815.32
5.3.120.0530.02315.30
5.3.110.0430.01815.24
5.3.100.0270.03015.26
5.3.90.0340.03015.13
5.3.80.0270.02215.06
5.3.70.0320.02415.03
5.3.60.0300.02014.98
5.3.50.0360.02215.01
5.3.40.0170.02215.00
5.3.30.0320.01714.97
5.3.20.0390.03214.87
5.3.10.0350.02314.89
5.3.00.0150.02214.74
5.2.170.0530.03716.99
5.2.160.0370.02316.99
5.2.150.0470.05716.99
5.2.140.0230.04016.99
5.2.130.0200.03316.98
5.2.120.0630.02716.98
5.2.110.0330.02716.72
5.2.100.0600.04316.72
5.2.90.0470.04016.52
5.2.80.0430.02716.52
5.2.70.0500.03716.52
5.2.60.0530.02316.52
5.2.50.0400.04016.52
5.2.40.0070.04016.51
5.2.30.0300.02716.51
5.2.20.0130.03716.51
5.2.10.0300.03316.50
5.2.00.0400.03716.28
5.1.60.0470.04316.28
5.1.50.0370.01716.27
5.1.40.0170.02716.27
5.1.30.0330.02016.27
5.1.20.0500.04016.26
5.1.10.0630.02316.26
5.1.00.0330.02316.26
5.0.50.0270.02316.26
5.0.40.0170.02316.26
5.0.30.0100.03016.26
5.0.20.0270.02016.26
5.0.10.0200.04716.26
5.0.00.0170.03716.25
4.4.90.0270.02016.52
4.4.80.0100.03016.52
4.4.70.0370.01316.50
4.4.60.0130.01716.50
4.4.50.0300.03016.50
4.4.40.0170.02316.27
4.4.30.0270.02016.27
4.4.20.0130.02016.26
4.4.10.0200.03016.26
4.4.00.0200.03016.26
4.3.110.0100.01716.26
4.3.100.0270.01716.26
4.3.90.0000.01716.26
4.3.80.0170.03316.25
4.3.70.0300.02016.25
4.3.60.0130.01716.25
4.3.50.0300.02016.25
4.3.40.0300.03316.25
4.3.30.0130.01716.25
4.3.20.0030.02016.25
4.3.10.0230.02016.25
4.3.00.0130.02316.25

preferences:
50.91 ms | 404 KiB | 6 Q