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); }; $four = function($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();

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)
8.3.60.0040.01418.40
8.3.50.0090.00917.47
8.3.40.0100.00718.57
8.3.30.0060.00918.94
8.3.20.0060.00318.90
8.3.10.0040.00420.65
8.3.00.0080.00017.59
8.2.180.0120.00916.75
8.2.170.0110.00322.96
8.2.160.0100.00321.97
8.2.150.0030.00624.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0100.00021.99
8.2.100.0060.00617.84
8.2.90.0040.00419.26
8.2.80.0000.00717.97
8.2.70.0060.00317.63
8.2.60.0000.00917.79
8.2.50.0030.00518.07
8.2.40.0000.00920.01
8.2.30.0000.00718.13
8.2.20.0030.00517.71
8.2.10.0030.00617.80
8.2.00.0060.00317.85
8.1.280.0110.00425.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00323.83
8.1.230.0080.00420.96
8.1.220.0040.00418.77
8.1.210.0090.00018.91
8.1.200.0100.00017.35
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0040.00418.76
8.1.160.0000.00718.81
8.1.150.0000.00718.57
8.1.140.0070.00017.45
8.1.130.0000.00717.84
8.1.120.0050.00217.50
8.1.110.0000.00717.34
8.1.100.0070.00017.40
8.1.90.0040.00417.35
8.1.80.0050.00217.45
8.1.70.0050.00317.36
8.1.60.0030.00517.59
8.1.50.0000.00717.50
8.1.40.0000.00817.41
8.1.30.0000.00717.67
8.1.20.0060.00317.57
8.1.10.0050.00317.59
8.1.00.0000.00917.52
8.0.300.0000.00819.90
8.0.290.0040.00416.75
8.0.280.0040.00418.45
8.0.270.0000.00717.26
8.0.260.0080.00016.88
8.0.250.0050.00317.09
8.0.240.0060.00317.03
8.0.230.0000.00717.02
8.0.220.0000.00716.87
8.0.210.0030.00316.91
8.0.200.0040.00417.02
8.0.190.0050.00216.91
8.0.180.0040.00416.89
8.0.170.0000.00817.01
8.0.160.0000.00716.92
8.0.150.0050.00316.81
8.0.140.0040.00416.93
8.0.130.0030.00313.34
8.0.120.0060.00316.74
8.0.110.0070.00016.98
8.0.100.0060.00316.91
8.0.90.0000.00716.91
8.0.80.0090.01516.92
8.0.70.0000.00717.07
8.0.60.0040.00416.79
8.0.50.0040.00416.83
8.0.30.0100.00917.26
8.0.20.0090.01017.19
8.0.10.0040.00416.96
8.0.00.0060.01116.76
7.4.330.0000.00512.98
7.4.320.0070.00016.48
7.4.300.0060.00016.61
7.4.290.0040.00416.52
7.4.280.0000.00916.51
7.4.270.0030.00616.62
7.4.260.0050.00013.21
7.4.250.0000.00716.63
7.4.240.0070.00016.58
7.4.230.0070.00016.32
7.4.220.0110.00716.45
7.4.210.0080.00916.64
7.4.200.0000.00716.44
7.4.190.0040.00416.36
7.4.160.0090.01216.58
7.4.150.0080.01116.53
7.4.140.0140.01916.50
7.4.130.0060.01116.59
7.4.120.0080.01116.66
7.4.110.0090.00916.69
7.4.100.0230.01216.38
7.4.90.0100.00716.45
7.4.80.0070.01416.66
7.4.70.0120.00616.46
7.4.60.0120.00616.43
7.4.50.0030.00616.73
7.4.40.0100.00316.37
7.4.30.0050.01116.65
7.4.00.0100.00714.73
7.3.330.0030.00313.20
7.3.320.0060.00013.23
7.3.310.0040.00416.26
7.3.300.0070.00016.27
7.3.290.0100.00916.35
7.3.280.0070.01216.33
7.3.270.0090.00916.43
7.3.260.0120.00616.38
7.3.250.0150.00716.43
7.3.240.0030.01316.60
7.3.230.0060.01216.41
7.3.210.0130.00316.61
7.3.200.0030.01319.39
7.3.190.0130.00916.50
7.3.180.0110.00616.41
7.3.170.0090.00916.46
7.3.160.0040.01116.55
7.3.120.0000.01514.90
7.2.330.0040.01316.65
7.2.320.0090.01216.71
7.2.310.0130.01016.39
7.2.300.0130.00316.56
7.2.290.0070.01016.66
7.2.60.0000.01517.01
7.2.00.0000.01719.29
7.1.200.0040.00715.91
7.1.100.0000.01118.14
7.1.70.0040.00417.23
7.1.60.0070.01719.40
7.1.50.0040.01817.02
7.1.00.0070.07722.35
7.0.200.0050.00216.63
7.0.140.0070.07021.92
7.0.120.0000.05022.19
7.0.60.0130.05019.94
7.0.50.0170.07017.89
7.0.40.0070.07320.28
7.0.30.0200.04720.16
7.0.20.0300.07020.33
7.0.10.0200.05320.06
7.0.00.0030.06020.23
5.6.280.0030.07321.13
5.6.210.0000.04720.75
5.6.200.0030.04318.12
5.6.190.0170.07720.47
5.6.180.0330.04720.61
5.6.170.0230.06020.41
5.6.160.0100.07720.51
5.6.150.0030.07018.14
5.6.140.0070.04318.24
5.6.130.0000.08718.27
5.6.120.0070.04321.02
5.6.110.0070.08321.12
5.6.100.0000.04321.09
5.6.90.0100.07321.01
5.6.80.0030.08020.50
5.6.70.4270.03720.26
5.5.350.0170.06720.31
5.5.340.0070.08018.00
5.5.330.0070.08720.29
5.5.320.0030.07720.21
5.5.310.0400.06720.37
5.5.300.0000.05017.97
5.5.290.0030.08317.97
5.5.280.0030.09020.97
5.5.270.0000.05020.76
5.5.260.0000.04720.79
5.5.250.0070.07020.47
5.5.240.0000.07720.33
5.4.450.0100.07319.19
5.4.440.0070.05019.45
5.4.430.0100.06319.44
5.4.420.0070.05319.46
5.4.410.0030.06019.09
5.4.400.0000.04318.85
5.4.390.0030.04319.12
5.4.380.0000.05718.87
5.4.370.0100.07318.89
5.4.360.0030.04019.15
5.4.350.0030.07719.20
5.4.340.0100.06019.24
5.4.320.0070.03718.85
5.4.310.0000.07019.15
5.4.300.0000.08719.08
5.4.290.0130.07318.85
5.4.280.0030.04019.15
5.4.270.0000.05019.24
5.4.260.0000.04719.14
5.4.250.0100.03719.14
5.4.240.0130.03319.14
5.4.230.0000.04718.84
5.4.220.0030.08019.14
5.4.210.0130.07019.00
5.4.200.0030.06718.97
5.4.190.0100.07019.14
5.4.180.0000.04319.14
5.4.170.0030.07318.84
5.4.160.0200.06019.22
5.4.150.0030.06318.99
5.4.140.0070.05316.60
5.4.130.0100.06716.51
5.4.120.0070.07016.45
5.4.110.0070.07016.36
5.4.100.0030.05016.47
5.4.90.0100.03316.52
5.4.80.0070.06716.45
5.4.70.0070.06016.33
5.4.60.0100.04016.32
5.4.50.0130.06716.37
5.4.40.0070.07316.25
5.4.30.0100.07016.40
5.4.20.0070.06716.64
5.4.10.0000.07316.41
5.4.00.0070.05715.79
5.3.290.0030.04714.73
5.3.280.0070.04014.61
5.3.270.0100.07314.53
5.3.260.0100.07314.66
5.3.250.0100.07014.53
5.3.240.0100.07314.62
5.3.230.0070.06714.65
5.3.220.0130.06314.60
5.3.210.0100.07014.71
5.3.200.0070.07314.72
5.3.190.0030.07014.61
5.3.180.0030.07714.56
5.3.170.0100.06714.59
5.3.160.0030.07314.48
5.3.150.0070.04014.59
5.3.140.0070.07314.56
5.3.130.0130.04014.56
5.3.120.0070.07714.63
5.3.110.0030.04714.56
5.3.100.0130.07014.09
5.3.90.0000.07714.04
5.3.80.0070.07014.02
5.3.70.0030.07713.92
5.3.60.0070.05714.06
5.3.50.0030.04013.91
5.3.40.0000.04714.13
5.3.30.0100.03713.98
5.3.20.0030.03713.73
5.3.10.0030.06013.68
5.3.00.0070.07313.70
5.2.170.0070.04711.08
5.2.160.0000.04311.11
5.2.150.0030.07311.08
5.2.140.0070.06011.22
5.2.130.0130.05311.11
5.2.120.0070.05310.98
5.2.110.0070.04011.06
5.2.100.0030.04011.00
5.2.90.0030.06311.04
5.2.80.0070.05310.99
5.2.70.0070.06011.17
5.2.60.0070.03011.02
5.2.50.0000.05010.99
5.2.40.0000.04011.14
5.2.30.0070.05710.85
5.2.20.0030.05710.95
5.2.10.0100.04010.86
5.2.00.0000.04010.57
5.1.60.0030.0439.94
5.1.50.0030.0509.97
5.1.40.0070.0309.97
5.1.30.0130.04710.35
5.1.20.0000.05010.50
5.1.10.0000.03010.21
5.1.00.0030.05710.04
5.0.50.0070.0408.39
5.0.40.0000.0308.37
5.0.30.0000.0338.23
5.0.20.0070.0278.12
5.0.10.0030.0178.21
5.0.00.0030.0538.20
4.4.90.0000.0338.07
4.4.80.0030.0338.07
4.4.70.0070.0238.07
4.4.60.0000.0378.07
4.4.50.0030.0378.07
4.4.40.0070.0538.07
4.4.30.0030.0378.07
4.4.20.0000.0238.07
4.4.10.0000.0378.07
4.4.00.0030.0478.07
4.3.110.0000.0208.07
4.3.100.0070.0178.07
4.3.90.0030.0208.07
4.3.80.0030.0408.07
4.3.70.0030.0238.07
4.3.60.0030.0338.07
4.3.50.0070.0308.07
4.3.40.0130.0438.07
4.3.30.0000.0338.07
4.3.20.0070.0338.07
4.3.10.0030.0378.07
4.3.00.0000.0208.07

preferences:
43.53 ms | 401 KiB | 5 Q