3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sum; // global variable function outer() { $hundred_more = 100; $sum = function ($a, $b) { return $a + $b + (++$hundred_more); }; echo $hundred_more; } outer(); // define sum at the global scope and print 100 echo($sum(5, 10)); // 116 echo($sum(5, 10)); // 117 outer(); // redefine sum at the global scope and print 100 echo($sum(5, 10)); // 116 echo($sum(5, 10)); // 117

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)
8.3.60.0100.00318.43
8.3.50.0150.00221.20
8.3.40.0120.00318.66
8.3.30.0070.00719.08
8.3.20.0040.00420.13
8.3.10.0080.00023.65
8.3.00.0030.00619.26
8.2.180.0120.00618.29
8.2.170.0070.00722.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0100.00026.16
8.2.120.0040.00422.23
8.2.110.0060.00320.21
8.2.100.0040.00718.16
8.2.90.0000.00719.28
8.2.80.0000.00817.97
8.2.70.0000.00817.75
8.2.60.0110.00017.68
8.2.50.0080.00018.07
8.2.40.0080.00019.79
8.2.30.0000.00717.99
8.2.20.0050.00317.63
8.2.10.0040.00418.13
8.2.00.0000.00817.70
8.1.280.0140.00725.92
8.1.270.0040.00422.01
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.77
8.1.230.0040.00818.95
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0040.00417.00
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0060.00318.38
8.1.160.0000.00722.09
8.1.150.0030.00718.84
8.1.140.0000.00817.34
8.1.130.0030.00517.83
8.1.120.0000.00717.40
8.1.110.0070.00017.44
8.1.100.0000.00817.50
8.1.90.0050.00317.34
8.1.80.0050.00217.47
8.1.70.0000.00717.47
8.1.60.0040.00417.61
8.1.50.0050.00517.55
8.1.40.0040.00417.53
8.1.30.0080.00017.69
8.1.20.0040.00417.64
8.1.10.0000.00817.49
8.1.00.0030.00517.49
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.31
8.0.270.0000.00717.24
8.0.260.0030.00317.18
8.0.250.0000.00716.99
8.0.240.0030.00316.98
8.0.230.0000.00816.93
8.0.220.0070.00016.90
8.0.210.0070.00016.81
8.0.200.0000.00716.90
8.0.190.0030.00517.07
8.0.180.0040.00417.01
8.0.170.0030.00317.00
8.0.160.0040.00417.06
8.0.150.0040.00416.83
8.0.140.0040.00416.91
8.0.130.0040.00313.43
8.0.120.0050.00216.82
8.0.110.0040.00416.84
8.0.100.0040.00417.01
8.0.90.0030.00516.82
8.0.80.0060.00916.98
8.0.70.0040.00416.98
8.0.60.0000.00717.02
8.0.50.0000.00716.98
8.0.30.0120.00917.24
8.0.20.0050.01517.40
8.0.10.0040.00416.98
8.0.00.0150.00616.79
7.4.330.0050.00015.02
7.4.320.0000.00616.50
7.4.300.0040.00416.52
7.4.290.0030.00316.60
7.4.280.0000.00816.57
7.4.270.0060.00016.59
7.4.260.0000.00716.60
7.4.250.0000.00716.57
7.4.240.0020.00516.52
7.4.230.0030.00316.68
7.4.220.0030.01716.50
7.4.210.0110.00416.60
7.4.200.0040.00416.34
7.4.160.0060.00916.34
7.4.150.0070.01117.40
7.4.140.0080.01217.86
7.4.130.0110.01016.53
7.4.120.0100.00816.52
7.4.110.0140.00316.36
7.4.100.0060.01316.62
7.4.90.0120.00616.58
7.4.80.0150.00619.39
7.4.70.0080.01516.47
7.4.60.0130.00316.70
7.4.50.0000.00916.55
7.4.40.0070.01016.67
7.4.30.0080.01116.22
7.4.00.0090.00915.04
7.3.330.0030.00313.22
7.3.320.0000.00613.16
7.3.310.0040.00416.23
7.3.300.0030.00316.19
7.3.290.0070.01116.32
7.3.280.0080.00916.36
7.3.270.0060.01717.40
7.3.260.0070.01016.38
7.3.250.0050.01416.44
7.3.240.0070.01016.66
7.3.230.0000.01616.47
7.3.210.0080.00816.67
7.3.200.0060.01516.45
7.3.190.0070.01316.59
7.3.180.0080.00816.59
7.3.170.0100.00716.52
7.3.160.0100.00616.37
7.2.330.0070.01016.57
7.2.320.0130.00316.72
7.2.310.0080.00816.43
7.2.300.0030.01416.63
7.2.290.0070.01716.40
7.2.60.0090.00616.55
7.2.00.0000.01519.22
7.1.200.0000.01115.79
7.1.100.0030.01017.89
7.1.70.0030.00517.18
7.1.60.0100.01319.11
7.1.50.0240.01034.83
7.1.00.0170.05722.32
7.0.200.0030.00516.76
7.0.140.0000.07722.15
7.0.60.0270.04319.97
7.0.50.0030.05017.94
7.0.40.0030.09020.23
7.0.30.0270.04020.11
7.0.20.0200.08720.05
7.0.10.0070.08720.07
7.0.00.0000.04320.11
5.6.280.0030.07721.08
5.6.210.0030.08320.73
5.6.200.0070.04018.27
5.6.190.0030.06720.41
5.6.180.0070.05020.57
5.6.170.0300.07720.48
5.6.160.0330.03020.54
5.6.150.0170.04018.28
5.6.140.0130.05718.14
5.6.130.0000.09018.17
5.6.120.0170.03320.97
5.6.110.0070.08321.12
5.6.100.0130.06321.05
5.6.90.0200.07320.98
5.6.80.0000.06320.45
5.6.70.4170.03320.39
5.5.350.0130.08020.30
5.5.340.0100.07317.99
5.5.330.0100.08020.47
5.5.320.0270.07320.38
5.5.310.0400.06020.23
5.5.300.0130.07717.98
5.5.290.0100.07718.01
5.5.280.0100.07720.89
5.5.270.0130.04320.68
5.5.260.0170.07320.68
5.5.250.0000.08720.58
5.5.240.0300.06720.27
5.4.450.0970.05719.34
5.4.440.1000.05719.68
5.4.430.1130.05719.60
5.4.420.0670.00019.52
5.4.410.0700.00019.41
5.4.400.0630.00019.09
5.4.390.0630.00019.12
5.4.380.0630.00019.25
5.4.370.0600.00019.26
5.4.360.0600.00019.09
5.4.350.0630.00019.13
5.4.340.0050.03612.02
5.4.320.0020.04112.51
5.4.310.0090.03412.51
5.4.300.0020.03912.50
5.4.290.0070.04312.51
5.4.280.0050.03612.40
5.4.270.0090.03212.41
5.4.260.0050.03712.40
5.4.250.0070.03612.40
5.4.240.0050.03612.40
5.4.230.0030.03912.39
5.4.220.0070.03512.40
5.4.210.0080.03312.40
5.4.200.0050.03812.39
5.4.190.0040.03812.39
5.4.180.0060.04012.39
5.4.170.0060.03412.40
5.4.160.0060.03512.39
5.4.150.0040.03712.39
5.4.140.0080.03412.07
5.4.130.0050.03612.06
5.4.120.0060.03512.02
5.4.110.0090.03212.02
5.4.100.0110.04012.02
5.4.90.0060.03912.02
5.4.80.0060.03712.01
5.4.70.0060.03512.01
5.4.60.0040.03512.01
5.4.50.0090.03112.02
5.4.40.0060.03312.00
5.4.30.0080.03212.00
5.4.20.0060.03412.00
5.4.10.0070.03212.00
5.4.00.0080.03211.49
5.3.290.0070.03612.80
5.3.280.0070.03512.71
5.3.270.0040.03912.72
5.3.260.0040.04012.72
5.3.250.0050.03712.72
5.3.240.0080.03412.72
5.3.230.0060.03612.71
5.3.220.0030.03812.68
5.3.210.0050.04012.68
5.3.200.0040.03812.68
5.3.190.0060.03712.68
5.3.180.0040.03812.68
5.3.170.0080.03612.67
5.3.160.0020.04212.68
5.3.150.0070.03712.67
5.3.140.0080.05312.66
5.3.130.0050.04412.66
5.3.120.0050.04112.66
5.3.110.0100.03912.66
5.3.100.0080.03412.12
5.3.90.0050.03712.11
5.3.80.0100.03212.11
5.3.70.0050.03712.11
5.3.60.0050.03712.09
5.3.50.0070.03512.03
5.3.40.0070.03512.03
5.3.30.0060.03411.99
5.3.20.0080.03311.77
5.3.10.0080.03211.73
5.3.00.0070.03711.73
5.2.170.0060.0299.21
5.2.160.0050.0309.21
5.2.150.0050.0309.22
5.2.140.0050.0309.21
5.2.130.0060.0279.18
5.2.120.0030.0309.17
5.2.110.0040.0299.18
5.2.100.0040.0299.18
5.2.90.0050.0299.18
5.2.80.0040.0329.18
5.2.70.0060.0289.17
5.2.60.0040.0309.13
5.2.50.0010.0339.09
5.2.40.0050.0299.07
5.2.30.0030.0349.05
5.2.20.0060.0279.04
5.2.10.0050.0278.95
5.2.00.0060.0308.81
5.1.60.0080.0208.09
5.1.50.0050.0268.08
5.1.40.0040.0258.07
5.1.30.0050.0308.42
5.1.20.0040.0278.44
5.1.10.0070.0298.16
5.1.00.0050.0368.16
5.0.50.0050.0226.64
5.0.40.0030.0206.49
5.0.30.0070.0286.31
5.0.20.0030.0196.28
5.0.10.0040.0206.25
5.0.00.0060.0296.25
4.4.90.0020.0164.78
4.4.80.0050.0144.75
4.4.70.0070.0124.76
4.4.60.0030.0154.76
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0020.0184.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0050.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0020.0254.59
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0040.0154.63
4.3.40.0030.0244.54
4.3.30.0000.0183.30
4.3.20.0020.0153.27
4.3.10.0010.0163.24
4.3.00.0000.0237.28

preferences:
53.87 ms | 400 KiB | 5 Q