3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = 0; $result2 = 10; $one = function() { var_dump($result); }; $two = function() use ($result) { var_dump($result); }; $three = function() use (&$result) { var_dump($result); }; $four = function($result2) use (&$result) { var_dump($result2); }; $result++; $one(); // outputs NULL: $result is not in scope $two(); // outputs int(0): $result was copied $three(); // outputs int(1) $four($result2);

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)
8.3.60.0040.01818.41
8.3.50.0120.00522.03
8.3.40.0030.01218.92
8.3.30.0100.00319.18
8.3.20.0000.00820.37
8.3.10.0040.00422.09
8.3.00.0040.00422.39
8.2.180.0070.00716.75
8.2.170.0070.00722.96
8.2.160.0110.00420.81
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00317.63
8.2.110.0060.00620.52
8.2.100.0080.00417.72
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0030.00717.62
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0020.00518.13
8.2.20.0050.00217.85
8.2.10.0040.00417.88
8.2.00.0030.00617.80
8.1.280.0070.01425.92
8.1.270.0050.00322.18
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00523.91
8.1.230.0040.00720.99
8.1.220.0080.00017.78
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.52
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0000.00721.93
8.1.150.0050.00218.70
8.1.140.0090.00017.38
8.1.130.0000.00817.85
8.1.120.0070.00017.54
8.1.110.0040.00417.47
8.1.100.0040.00417.47
8.1.90.0040.00417.46
8.1.80.0000.00717.44
8.1.70.0000.00717.34
8.1.60.0070.00017.59
8.1.50.0050.00317.43
8.1.40.0040.00417.38
8.1.30.0040.00417.50
8.1.20.0040.00417.67
8.1.10.0030.00617.59
8.1.00.0000.00817.37
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0000.00718.40
8.0.270.0070.00017.39
8.0.260.0030.00316.76
8.0.250.0000.00717.02
8.0.240.0040.00416.99
8.0.230.0040.00417.02
8.0.220.0030.00316.98
8.0.210.0030.00316.89
8.0.200.0030.00316.95
8.0.190.0030.00517.04
8.0.180.0000.00816.98
8.0.170.0060.00317.03
8.0.160.0040.00416.85
8.0.150.0030.00416.90
8.0.140.0000.00716.93
8.0.130.0030.00313.34
8.0.120.0040.00416.91
8.0.110.0050.00216.85
8.0.100.0070.00016.79
8.0.90.0050.00216.86
8.0.80.0100.01016.97
8.0.70.0030.00516.79
8.0.60.0030.00516.96
8.0.50.0060.00316.95
8.0.30.0090.01017.07
8.0.20.0090.00917.40
8.0.10.0030.00517.11
8.0.00.0040.01316.83
7.4.330.0050.00015.14
7.4.320.0070.00016.56
7.4.300.0030.00316.48
7.4.290.0000.00816.50
7.4.280.0100.00016.50
7.4.270.0040.00416.60
7.4.260.0000.00716.39
7.4.250.0080.00016.37
7.4.240.0080.00016.58
7.4.230.0030.00316.49
7.4.220.0090.00916.58
7.4.210.0070.00916.61
7.4.200.0000.00716.71
7.4.190.0000.00716.65
7.4.160.0130.00916.47
7.4.150.0130.00417.40
7.4.140.0070.01317.86
7.4.130.0150.00316.53
7.4.120.0030.01516.56
7.4.110.0100.00716.53
7.4.100.0100.00716.62
7.4.90.0110.00716.54
7.4.80.0150.00619.39
7.4.70.0090.01016.68
7.4.60.0090.01316.55
7.4.50.0050.00316.63
7.4.40.0040.01122.77
7.4.30.0030.01216.48
7.4.00.0040.01115.04
7.3.330.0050.00013.34
7.3.320.0030.00313.29
7.3.310.0000.00716.44
7.3.300.0000.00716.23
7.3.290.0150.00416.33
7.3.280.0130.00716.34
7.3.270.0120.00617.40
7.3.260.0100.00716.66
7.3.250.0100.00816.51
7.3.240.0060.01116.55
7.3.230.0150.00616.39
7.3.210.0120.00416.41
7.3.200.0120.00819.39
7.3.190.0110.01116.46
7.3.180.0060.00916.36
7.3.170.0050.01116.27
7.3.160.0060.00916.45
7.3.120.0080.00814.75
7.3.10.0180.00316.46
7.3.00.0120.00316.29
7.2.330.0030.01516.63
7.2.320.0110.00816.57
7.2.310.0040.01416.34
7.2.300.0070.01116.56
7.2.290.0140.00316.22
7.2.130.0100.00716.75
7.2.120.0030.01016.36
7.2.110.0100.01016.63
7.2.100.0150.00416.17
7.2.90.0040.01216.76
7.2.80.0140.00316.49
7.2.70.0100.01016.30
7.2.60.0100.00716.79
7.2.50.0130.00316.61
7.2.40.0130.00716.74
7.2.30.0160.00616.35
7.2.20.0150.00616.43
7.2.10.0110.01116.56
7.2.00.0100.01017.95
7.1.250.0070.00715.37
7.1.100.0000.01118.11
7.1.70.0000.01016.87
7.1.60.0140.01019.82
7.1.50.0070.01417.02
7.1.00.0070.07322.44
7.0.200.0070.00716.79
7.0.140.0100.06722.09
7.0.100.0030.03721.74
7.0.90.0030.07721.95
7.0.80.0030.04321.70
7.0.70.0030.06021.72
7.0.60.0030.08021.80
7.0.50.0070.05322.01
7.0.40.0000.08020.11
7.0.30.0030.08320.00
7.0.20.0000.08720.02
7.0.10.0000.05020.07
7.0.00.0100.03320.10
5.6.280.0030.07321.07
5.6.250.0070.05020.79
5.6.240.0000.06320.64
5.6.230.0030.08020.55
5.6.220.0000.08020.50
5.6.210.0130.02720.63
5.6.200.0030.04021.12
5.6.190.0100.07321.04
5.6.180.0030.05021.08
5.6.170.0000.04320.96
5.6.160.0070.03720.95
5.6.150.0030.04020.92
5.6.140.0100.03021.09
5.6.130.0000.05321.04
5.6.120.0070.03720.96
5.6.110.0070.06321.06
5.6.100.0030.08321.11
5.6.90.0030.04021.16
5.6.80.0030.04020.50
5.6.70.0100.05320.46
5.6.60.0000.04020.43
5.6.50.0030.03720.48
5.6.40.0030.03720.37
5.6.30.0070.03320.45
5.6.20.0070.05020.47
5.6.10.0030.04020.50
5.6.00.0030.03720.29
5.5.380.0070.04720.43
5.5.370.0030.05020.58
5.5.360.0000.04320.34
5.5.350.0000.04320.39
5.5.340.0070.08720.81
5.5.330.0030.05020.90
5.5.320.0070.03720.74
5.5.310.0070.07320.91
5.5.300.0000.05020.87
5.5.290.0030.04020.65
5.5.280.0030.04020.82
5.5.270.0000.08320.90
5.5.260.0100.09020.63
5.5.250.0000.04020.58
5.5.240.0030.04020.29
5.5.230.0030.04020.29
5.5.220.0100.04020.24
5.5.210.0070.03320.24
5.5.200.0070.03320.13
5.5.190.0130.02720.13
5.5.180.0000.04320.09
5.5.160.0000.04019.99
5.5.150.0030.05720.26
5.5.140.0030.06020.19
5.5.130.0000.04020.09
5.5.120.0030.09020.25
5.5.110.0030.07020.16
5.5.100.0000.05320.13
5.5.90.0000.04020.13
5.5.80.0030.03320.17
5.5.70.0000.04020.10
5.5.60.0100.03020.11
5.5.50.0000.03720.15
5.5.40.0030.03020.11
5.5.30.0030.03320.12
5.5.20.0000.04020.06
5.5.10.0030.03020.09
5.5.00.0000.03320.11
5.4.450.0000.07019.43
5.4.440.0030.04019.23
5.4.430.0030.03719.27
5.4.420.0030.03719.51
5.4.410.0070.07719.04
5.4.400.0000.05019.05
5.4.390.0000.04019.04
5.4.380.0030.09318.90
5.4.370.0030.05719.16
5.4.360.0030.03719.14
5.4.350.0030.06719.14
5.4.340.0030.03719.13
5.4.320.0000.04319.10
5.4.310.0000.05319.14
5.4.300.0000.03719.11
5.4.290.0030.05019.16
5.4.280.0030.04019.18
5.4.270.0070.05319.13
5.4.260.0070.04319.14
5.4.250.0000.03719.04
5.4.240.0030.03319.08
5.4.230.0030.03319.13
5.4.220.0000.04319.04
5.4.210.0000.03019.09
5.4.200.0000.03019.18
5.4.190.0030.03319.08
5.4.180.0000.03019.21
5.4.170.0000.03019.13
5.4.160.0000.03019.02
5.4.150.0070.02718.90
5.4.140.0000.03716.26
5.4.130.0100.02716.32
5.4.120.0030.02716.34
5.4.110.0000.03016.52
5.4.100.0000.03016.48
5.4.90.0000.05016.42
5.4.80.0030.03316.36
5.4.70.0000.03316.38
5.4.60.0030.02716.42
5.4.50.0000.03716.49
5.4.40.0030.02716.37
5.4.30.0000.03316.39
5.4.20.0030.03316.29
5.4.10.0000.03716.23
5.4.00.0000.03315.89
5.3.290.0070.03314.80
5.3.280.0000.03714.61
5.3.270.0070.02714.63
5.3.260.0030.03014.67
5.3.250.0030.03314.63
5.3.240.0000.03714.67
5.3.230.0070.02314.72
5.3.220.0000.03014.52
5.3.210.0030.03314.55
5.3.200.0000.03314.57
5.3.190.0000.03714.64
5.3.180.0000.03014.54
5.3.170.0030.03314.55
5.3.160.0000.03014.68
5.3.150.0000.03014.63
5.3.140.0000.03714.49
5.3.130.0030.02714.65
5.3.120.0030.02714.69
5.3.110.0000.04314.58
5.3.100.0030.02714.14
5.3.90.0000.03314.09
5.3.80.0000.03714.03
5.3.70.0000.03014.03
5.3.60.0000.03014.13
5.3.50.0030.02713.96
5.3.40.0030.02713.96
5.3.30.0000.03713.89
5.3.20.0000.05713.63
5.3.10.0000.03013.72
5.3.00.0000.03713.54
5.2.170.0000.02311.18
5.2.160.0000.02311.11
5.2.150.0030.02711.06
5.2.140.0000.02711.09
5.2.130.0000.04011.14
5.2.120.0030.03710.96
5.2.110.0030.04011.10
5.2.100.0000.03711.10
5.2.90.0000.02711.02
5.2.80.0000.02711.09
5.2.70.0030.05711.14
5.2.60.0030.03311.04
5.2.50.0000.03011.01
5.2.40.0000.03711.05
5.2.30.0000.05010.99
5.2.20.0000.02711.00
5.2.10.0030.03010.79
5.2.00.0000.02710.72
5.1.60.0000.02310.05
5.1.50.0000.02710.06
5.1.40.0030.0209.98
5.1.30.0030.02010.40
5.1.20.0070.04710.26
5.1.10.0000.02710.13
5.1.00.0000.02310.15
5.0.50.0030.0208.57
5.0.40.0000.0208.47
5.0.30.0030.0278.43
5.0.20.0000.0208.43
5.0.10.0030.0178.43
5.0.00.0000.0308.43
4.4.90.0030.0178.43
4.4.80.0000.0278.43
4.4.70.0000.0378.43
4.4.60.0000.0138.43
4.4.50.0000.0238.43
4.4.40.0000.0238.43
4.4.30.0000.0138.43
4.4.20.0030.0178.43
4.4.10.0000.0178.43
4.4.00.0030.0238.43
4.3.110.0030.0138.43
4.3.100.0000.0178.43
4.3.90.0000.0138.43
4.3.80.0000.0238.43
4.3.70.0000.0138.43
4.3.60.0030.0178.43
4.3.50.0000.0178.43
4.3.40.0030.0308.43
4.3.30.0000.0138.43
4.3.20.0100.0308.43
4.3.10.0000.0178.43
4.3.00.0000.0178.43

preferences:
49.22 ms | 401 KiB | 5 Q