3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sum = null; // global variable function outer() { global $sum; $hundred_more = 100; $sum = function ($a, $b) use ($hundred_more) { return $a + $b + (++$hundred_more); }; $sum2 = function ($a, $b) use ($hundred_more) { return $a + $b + (++$hundred_more); }; var_dump($hundred_more); } outer(); // define sum at the global scope and print 100 var_dump($sum(5, 10)); // 116 var_dump($sum(5, 10)); // 117 var_dump($sum2(5, 10)); // 116 var_dump($sum2(5, 10)); // 117 outer(); // redefine sum at the global scope and print 100 var_dump($sum(5, 10)); // 116 var_dump($sum(5, 10)); // 117 var_dump($sum2(5, 10)); // 116 var_dump($sum2(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)
8.3.60.0110.00318.33
8.3.50.0110.01121.11
8.3.40.0130.00318.96
8.3.30.0110.00719.23
8.3.20.0030.00620.33
8.3.10.0050.00323.52
8.3.00.0040.00419.25
8.2.180.0070.00716.75
8.2.170.0110.00322.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.09
8.2.110.0060.00322.13
8.2.100.0080.00420.57
8.2.90.0050.00319.76
8.2.80.0070.00019.25
8.2.70.0000.00817.93
8.2.60.0000.00817.74
8.2.50.0030.00618.10
8.2.40.0030.00619.76
8.2.30.0000.00717.96
8.2.20.0040.00417.69
8.2.10.0000.00718.06
8.2.00.0030.00617.81
8.1.280.0120.00325.92
8.1.270.0080.00024.00
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.00023.97
8.1.230.0000.01119.19
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0050.00318.58
8.1.160.0040.00421.97
8.1.150.0020.00518.92
8.1.140.0000.00717.41
8.1.130.0040.00417.91
8.1.120.0050.00317.55
8.1.110.0060.00317.38
8.1.100.0080.00017.37
8.1.90.0080.00017.48
8.1.80.0000.00717.44
8.1.70.0030.00317.36
8.1.60.0090.00017.46
8.1.50.0030.00517.46
8.1.40.0030.00517.54
8.1.30.0000.00917.68
8.1.20.0000.00817.64
8.1.10.0040.00417.49
8.1.00.0000.00817.54
8.0.300.0050.00219.65
8.0.290.0030.00716.75
8.0.280.0000.00718.46
8.0.270.0070.00017.26
8.0.260.0070.00017.30
8.0.250.0070.00017.07
8.0.240.0030.00317.05
8.0.230.0070.00017.01
8.0.220.0040.00416.88
8.0.210.0000.00716.98
8.0.200.0070.00016.91
8.0.190.0040.00416.95
8.0.180.0040.00417.01
8.0.170.0000.00817.00
8.0.160.0030.00316.97
8.0.150.0070.00016.81
8.0.140.0040.00416.98
8.0.130.0000.00813.37
8.0.120.0040.00416.93
8.0.110.0040.00416.99
8.0.100.0000.00716.82
8.0.90.0040.00316.87
8.0.80.0060.00916.99
8.0.70.0000.00816.96
8.0.60.0030.00316.87
8.0.50.0040.00416.87
8.0.30.0110.00916.99
8.0.20.0090.01017.43
8.0.10.0000.00816.95
8.0.00.0100.01016.69
7.4.330.0000.00515.09
7.4.320.0000.00716.60
7.4.300.0030.00316.49
7.4.290.0030.00316.53
7.4.280.0040.00416.36
7.4.270.0030.00316.62
7.4.260.0030.00616.45
7.4.250.0070.00016.49
7.4.240.0020.00516.56
7.4.230.0030.00616.54
7.4.220.0120.00816.41
7.4.210.0090.00916.68
7.4.200.0020.00516.67
7.4.160.0030.01416.66
7.4.150.0120.00617.40
7.4.140.0110.00817.86
7.4.130.0100.00816.57
7.4.120.0130.00616.50
7.4.110.0130.00916.51
7.4.100.0070.01016.65
7.4.90.0120.01216.69
7.4.80.0070.00719.39
7.4.70.0100.01016.52
7.4.60.0100.00716.48
7.4.50.0040.00416.42
7.4.40.0070.01016.34
7.4.30.0080.00816.54
7.4.00.0030.01414.78
7.3.330.0030.00313.29
7.3.320.0000.00513.23
7.3.310.0030.00516.26
7.3.300.0070.00016.41
7.3.290.0110.00616.34
7.3.280.0080.00816.40
7.3.270.0130.00517.40
7.3.260.0110.00616.49
7.3.250.0080.01016.43
7.3.240.0150.00616.54
7.3.230.0100.00616.39
7.3.210.0100.00716.48
7.3.200.0120.00919.39
7.3.190.0080.01116.58
7.3.180.0030.01416.41
7.3.170.0080.00816.45
7.3.160.0080.00816.33
7.2.330.0090.00916.75
7.2.320.0080.00816.82
7.2.310.0000.01616.55
7.2.300.0080.00816.70
7.2.290.0100.01316.82
7.2.60.0070.00716.99
7.2.00.0000.01419.32
7.1.200.0070.00715.97
7.1.100.0070.00717.93
7.1.70.0100.00716.89
7.1.60.0100.01019.11
7.1.50.0170.02134.98
7.1.00.0030.07722.35
7.0.200.0030.00616.98
7.0.140.0000.08021.95
7.0.60.0130.07320.05
7.0.50.0030.08317.87
7.0.40.0070.06720.21
7.0.30.0300.07020.13
7.0.20.0130.05320.23
7.0.10.0030.04320.26
7.0.00.0000.07320.25
5.6.210.0000.04320.66
5.6.200.0070.08318.19
5.6.190.0030.08720.34
5.6.180.0270.05020.52
5.6.170.0230.04320.51
5.6.160.0070.03720.55
5.6.150.0030.05018.23
5.6.140.0030.07718.27
5.6.130.0070.04718.15
5.6.120.0100.06721.14
5.6.110.0070.08721.11
5.6.100.0130.07720.90
5.6.90.0100.03720.97
5.6.80.0000.08320.42
5.6.70.4570.04020.44
5.5.350.0070.08720.38
5.5.340.0130.07018.04
5.5.330.0030.08720.40
5.5.320.0070.05020.34
5.5.310.0200.03720.37
5.5.300.0100.06717.98
5.5.290.0100.08718.08
5.5.280.0030.08320.88
5.5.270.0100.08020.80
5.5.260.0100.08020.88
5.5.250.0100.03320.61
5.5.240.0300.06320.13
5.4.450.0800.06019.35
5.4.440.1200.06719.59
5.4.430.0030.06019.38
5.4.420.0670.00019.44
5.4.410.0670.00019.21
5.4.400.0600.00019.27
5.4.390.0600.00019.10
5.4.380.0630.00019.05
5.4.370.0630.00018.98
5.4.360.0670.00019.25
5.4.350.0670.00019.07
5.4.340.0060.03412.02
5.4.320.0020.04212.52
5.4.310.0060.04212.51
5.4.300.0050.04012.51
5.4.290.0060.03912.51
5.4.280.0040.03812.41
5.4.270.0090.03512.41
5.4.260.0080.03712.41
5.4.250.0060.03912.41
5.4.240.0070.03512.41
5.4.230.0060.04112.39
5.4.220.0060.04412.40
5.4.210.0080.03712.40
5.4.200.0050.03812.39
5.4.190.0080.03312.39
5.4.180.0060.03512.40
5.4.170.0050.04412.41
5.4.160.0050.04912.40
5.4.150.0060.04212.39
5.4.140.0070.03612.08
5.4.130.0060.03612.07
5.4.120.0020.03912.02
5.4.110.0030.03912.02
5.4.100.0060.03912.02
5.4.90.0050.04312.02
5.4.80.0070.03812.02
5.4.70.0030.04012.02
5.4.60.0090.03312.02
5.4.50.0060.03612.02
5.4.40.0110.03012.00
5.4.30.0060.03712.00
5.4.20.0040.03812.00
5.4.10.0090.03612.00
5.4.00.0070.04211.49
5.3.290.0080.04112.80
5.3.280.0070.03812.71
5.3.270.0060.03912.72
5.3.260.0070.03812.72
5.3.250.0060.04112.72
5.3.240.0070.03912.72
5.3.230.0050.04112.70
5.3.220.0070.03812.68
5.3.210.0080.04012.68
5.3.200.0110.03512.68
5.3.190.0130.03312.68
5.3.180.0100.04112.67
5.3.170.0090.04812.67
5.3.160.0070.04512.68
5.3.150.0070.04612.67
5.3.140.0030.04112.66
5.3.130.0080.04212.66
5.3.120.0090.04712.66
5.3.110.0070.05412.65
5.3.100.0100.04412.13
5.3.90.0060.03812.11
5.3.80.0020.04112.11
5.3.70.0110.03312.11
5.3.60.0070.03612.09
5.3.50.0070.03612.04
5.3.40.0080.04212.04
5.3.30.0100.03912.00
5.3.20.0090.03711.79
5.3.10.0070.03311.74
5.3.00.0050.03711.73
5.2.170.0070.0289.21
5.2.160.0060.0289.21
5.2.150.0070.0319.21
5.2.140.0060.0299.21
5.2.130.0070.0289.17
5.2.120.0090.0359.18
5.2.110.0070.0359.18
5.2.100.0070.0279.18
5.2.90.0080.0289.18
5.2.80.0060.0439.18
5.2.70.0090.0549.17
5.2.60.0090.0469.12
5.2.50.0090.0329.09
5.2.40.0070.0289.07
5.2.30.0040.0319.05
5.2.20.0060.0289.04
5.2.10.0090.0278.95
5.2.00.0060.0328.81
5.1.60.0060.0308.09
5.1.50.0050.0328.09
5.1.40.0070.0228.07
5.1.30.0040.0298.41
5.1.20.0070.0258.44
5.1.10.0060.0248.16
5.1.00.0060.0238.16
5.0.50.0040.0236.64
5.0.40.0030.0206.51
5.0.30.0030.0326.31
5.0.20.0040.0186.28
5.0.10.0060.0176.27
5.0.00.0020.0326.26
4.4.90.0020.0174.78
4.4.80.0030.0154.75
4.4.70.0040.0154.75
4.4.60.0050.0144.76
4.4.50.0020.0184.77
4.4.40.0030.0254.70
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0030.0144.63
4.3.80.0060.0214.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0030.0164.62
4.3.40.0030.0244.54
4.3.30.0030.0173.30
4.3.20.0020.0183.27
4.3.10.0010.0213.24
4.3.00.0000.0237.28

preferences:
56 ms | 401 KiB | 5 Q