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 alert(sum(5, 10)); // 116 alert(sum(5, 10)); // 117 outer(); // redefine sum at the global scope and print 100 alert(sum(5, 10)); // 116 alert(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)
8.3.40.0170.00018.87
8.3.30.0100.00319.04
8.3.20.0050.00320.29
8.3.10.0050.00323.65
8.3.00.0080.00019.38
8.2.170.0070.00722.96
8.2.160.0070.00720.29
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0000.00722.26
8.2.110.0030.00620.32
8.2.100.0110.00018.09
8.2.90.0070.00019.05
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0030.01017.80
8.2.50.0050.00318.07
8.2.40.0000.00819.84
8.2.30.0000.00717.96
8.2.20.0050.00317.82
8.2.10.0030.00518.04
8.2.00.0040.00417.83
8.1.270.0080.00022.20
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00623.80
8.1.230.0040.00719.20
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.38
8.1.180.0030.00518.10
8.1.170.0030.00518.50
8.1.160.0030.00521.96
8.1.150.0000.00718.78
8.1.140.0060.00318.91
8.1.130.0000.00717.79
8.1.120.0040.00417.47
8.1.110.0040.00417.53
8.1.100.0000.00817.44
8.1.90.0000.00817.48
8.1.80.0040.00417.53
8.1.70.0000.00717.34
8.1.60.0040.00417.60
8.1.50.0040.00717.52
8.1.40.0000.00717.56
8.1.30.0040.00417.67
8.1.20.0070.00017.64
8.1.10.0000.00717.45
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.45
8.0.270.0030.00616.76
8.0.260.0000.00817.22
8.0.250.0070.00017.05
8.0.240.0070.00017.00
8.0.230.0040.00416.93
8.0.220.0000.00716.80
8.0.210.0060.00016.91
8.0.200.0000.00716.91
8.0.190.0000.00816.95
8.0.180.0080.00016.88
8.0.170.0040.00417.05
8.0.160.0080.00016.98
8.0.150.0040.00416.92
8.0.140.0040.00416.95
8.0.130.0000.00713.46
8.0.120.0000.00716.89
8.0.110.0050.00216.89
8.0.100.0040.00416.98
8.0.90.0000.00816.76
8.0.80.0090.00616.88
8.0.70.0040.00416.86
8.0.60.0000.00716.82
8.0.50.0040.00416.86
8.0.30.0100.01116.95
8.0.20.0090.00917.40
8.0.10.0040.00417.03
8.0.00.0110.00816.96
7.4.330.0000.00515.03
7.4.320.0000.00616.57
7.4.300.0060.00016.56
7.4.290.0030.00316.52
7.4.280.0000.00816.45
7.4.270.0050.00216.54
7.4.260.0030.00816.50
7.4.250.0050.00216.48
7.4.240.0000.00716.54
7.4.230.0080.00016.42
7.4.220.0130.00916.54
7.4.210.0130.00616.56
7.4.200.0000.00716.41
7.4.160.0040.01116.64
7.4.150.0090.00917.40
7.4.140.0150.00617.86
7.4.130.0100.01016.54
7.4.120.0100.00716.57
7.4.110.0070.01016.70
7.4.100.0000.02016.66
7.4.90.0100.00716.53
7.4.80.0120.00619.39
7.4.70.0130.00716.60
7.4.60.0080.00816.46
7.4.50.0000.00816.64
7.4.40.0030.01616.80
7.4.30.0090.01216.64
7.4.10.0030.01415.05
7.4.00.0100.00714.78
7.3.330.0060.00013.23
7.3.320.0000.00513.37
7.3.310.0000.00716.27
7.3.300.0030.00316.33
7.3.290.0060.01116.34
7.3.280.0070.00816.34
7.3.270.0070.01017.40
7.3.260.0070.01016.52
7.3.250.0100.00816.48
7.3.240.0030.01416.58
7.3.230.0090.00916.52
7.3.210.0100.00716.47
7.3.200.0120.00319.39
7.3.190.0090.01016.59
7.3.180.0090.00616.34
7.3.170.0170.00016.34
7.3.160.0170.00316.44
7.3.130.0000.01814.83
7.3.120.0050.01114.87
7.3.110.0040.01214.81
7.3.100.0070.00714.81
7.3.90.0050.00914.87
7.3.80.0030.00914.86
7.3.70.0100.00514.86
7.3.60.0020.01314.84
7.3.50.0060.00814.78
7.3.40.0020.00914.74
7.3.30.0050.01014.91
7.3.20.0080.00516.71
7.3.10.0050.00716.71
7.3.00.0080.00616.66
7.2.330.0090.01216.51
7.2.320.0100.00716.28
7.2.310.0160.00716.70
7.2.300.0080.00816.59
7.2.290.0070.01016.51
7.2.260.0060.01314.95
7.2.250.0130.00314.92
7.2.240.0090.00514.99
7.2.230.0050.01115.15
7.2.220.0080.00514.97
7.2.210.0060.00414.99
7.2.200.0020.01214.80
7.2.190.0040.01114.88
7.2.180.0090.00714.86
7.2.170.0090.00714.87
7.2.160.0030.00915.08
7.2.150.0080.00516.85
7.2.140.0050.01016.81
7.2.130.0070.00716.82
7.2.120.0050.00816.74
7.2.110.0070.00716.76
7.2.100.0050.00916.76
7.2.90.0090.00716.99
7.2.80.0040.00916.69
7.2.70.0130.00216.99
7.2.60.0070.00816.87
7.2.50.0060.00817.05
7.2.40.0050.01216.86
7.2.30.0060.00916.82
7.2.20.0110.00316.83
7.2.10.0070.01016.88
7.2.00.0030.01217.77
7.1.330.0030.01215.67
7.1.320.0060.00515.71
7.1.310.0070.00715.74
7.1.300.0080.00515.49
7.1.290.0060.00715.53
7.1.280.0060.01015.87
7.1.270.0050.00715.73
7.1.260.0060.00415.71
7.1.250.0030.01115.67
7.1.240.0050.00515.72
7.1.230.0090.00615.81
7.1.220.0090.00615.62
7.1.210.0040.00815.61
7.1.200.0080.00515.81
7.1.190.0030.01015.73
7.1.180.0030.01015.65
7.1.170.0030.00615.83
7.1.160.0070.00715.84
7.1.150.0030.00715.68
7.1.140.0060.00915.76
7.1.130.0100.00615.52
7.1.120.0060.00915.56
7.1.110.0060.00615.89
7.1.100.0060.00615.69
7.1.90.0100.00315.88
7.1.80.0060.00615.85
7.1.70.0080.00316.38
7.1.60.0030.00816.45
7.1.50.0060.01116.40
7.1.40.0030.01015.89
7.1.30.0060.00815.62
7.1.20.0030.00715.77
7.1.10.0030.00915.62
7.1.00.0030.04519.19
7.0.330.0040.00715.49
7.0.320.0070.00715.34
7.0.310.0140.00015.43
7.0.300.0060.00315.23
7.0.290.0070.00715.36
7.0.280.0100.00315.18
7.0.270.0110.00015.21
7.0.260.0040.00415.04
7.0.250.0070.00715.40
7.0.240.0100.00315.07
7.0.230.0100.00315.49
7.0.220.0090.00615.39
7.0.210.0070.00715.51
7.0.200.0050.01115.91
7.0.190.0070.01015.32
7.0.180.0150.00015.34
7.0.170.0030.00515.52
7.0.160.0030.00615.46
7.0.150.0040.00415.36
7.0.140.0050.04118.60
7.0.130.0040.00715.54
7.0.120.0100.00315.49
7.0.110.0070.00715.30
7.0.100.0040.00915.50
7.0.90.0100.00315.38
7.0.80.0000.00815.14
7.0.70.0060.00915.29
7.0.60.0130.03817.68
7.0.50.0030.02416.60
7.0.40.0020.02816.70
7.0.30.0200.03816.85
7.0.20.0150.04016.76
7.0.10.0190.03316.60
7.0.00.0100.02816.75
5.6.400.0000.01514.36
5.6.390.0060.00314.25
5.6.380.0000.01014.64
5.6.370.0090.00614.41
5.6.360.0030.01014.42
5.6.350.0000.01414.40
5.6.340.0000.01413.84
5.6.330.0140.00014.12
5.6.320.0120.00314.62
5.6.310.0060.00914.56
5.6.300.0000.00914.24
5.6.290.0060.00914.39
5.6.280.0050.04117.64
5.6.270.0030.01014.21
5.6.260.0080.00014.08
5.6.250.0030.01014.31
5.6.240.0000.00914.14
5.6.230.0080.00014.24
5.6.220.0030.01314.09
5.6.210.0110.03617.58
5.6.200.0080.03716.08
5.6.190.0080.04517.37
5.6.180.0180.04517.28
5.6.170.0160.04117.29
5.6.160.0070.02717.43
5.6.150.0050.04216.34
5.6.140.0080.04316.32
5.6.130.0060.04316.23
5.6.120.0080.04317.68
5.6.110.0080.04617.72
5.6.100.0070.04717.58
5.6.90.0050.04217.82
5.6.80.0160.03217.30
5.6.70.0150.03817.21
5.6.60.0070.00714.13
5.6.50.0060.00614.47
5.6.40.0030.01214.27
5.6.30.0000.01514.36
5.6.20.0100.00314.14
5.6.10.0090.00314.32
5.6.00.0060.00314.50
5.5.380.0070.00314.20
5.5.370.0090.00614.31
5.5.360.0090.00614.39
5.5.350.0060.02817.40
5.5.340.0070.04516.04
5.5.330.0060.02317.36
5.5.320.0080.02517.21
5.5.310.0180.03917.10
5.5.300.0030.04916.25
5.5.290.0070.04716.05
5.5.280.0100.04117.60
5.5.270.0050.04717.73
5.5.260.0000.05317.43
5.5.250.0080.04317.39
5.5.240.0070.04717.01
5.5.230.0030.01314.27
5.5.220.0040.01113.97
5.5.210.0000.00914.17
5.5.200.0110.00313.93
5.5.190.0030.01014.25
5.5.180.0060.00314.26
5.5.170.0070.00714.26
5.5.160.0060.00614.00
5.5.150.0070.00714.02
5.5.140.0070.00713.88
5.5.130.0100.00613.84
5.5.120.0030.01314.10
5.5.110.0080.00013.99
5.5.100.0120.00314.18
5.5.90.0130.00013.95
5.5.80.0070.00414.11
5.5.70.0000.01413.81
5.5.60.0090.00014.17
5.5.50.0090.00414.18
5.5.40.0030.00614.27
5.5.30.0080.00814.02
5.5.20.0070.01014.21
5.5.10.0070.01013.80
5.5.00.0000.01214.17
5.4.450.0530.02816.24
5.4.440.0420.02816.25
5.4.430.0560.02016.25
5.4.420.0350.00216.21
5.4.410.0350.00016.16
5.4.400.0380.00516.01
5.4.390.0320.00515.97
5.4.380.0370.00116.02
5.4.370.0320.00515.99
5.4.360.0370.00216.01
5.4.350.0350.00316.07
5.4.340.0040.02212.46
5.4.330.0030.00612.90
5.4.320.0090.01612.70
5.4.310.0050.02412.71
5.4.300.0040.02312.71
5.4.290.0080.01812.70
5.4.280.0070.02012.65
5.4.270.0050.02012.65
5.4.260.0050.02212.65
5.4.250.0100.02512.65
5.4.240.0100.02112.65
5.4.230.0040.02812.65
5.4.220.0040.02112.65
5.4.210.0040.02212.65
5.4.200.0040.02312.65
5.4.190.0020.02412.65
5.4.180.0030.02212.65
5.4.170.0030.02112.65
5.4.160.0050.02012.65
5.4.150.0050.02512.65
5.4.140.0020.02512.49
5.4.130.0050.02212.48
5.4.120.0050.02412.46
5.4.110.0030.02212.46
5.4.100.0060.02012.46
5.4.90.0060.02412.46
5.4.80.0050.02212.46
5.4.70.0050.02412.46
5.4.60.0050.02312.46
5.4.50.0060.02012.46
5.4.40.0040.0109.29
5.4.30.0050.02012.45
5.4.20.0050.02212.45
5.4.10.0070.01812.45
5.4.00.0030.02412.20
5.3.290.0050.04012.80
5.3.280.0030.04512.70
5.3.270.0070.04012.73
5.3.260.0080.03712.71
5.3.250.0080.03312.72
5.3.240.0100.04212.72
5.3.230.0060.03612.71
5.3.220.0040.03812.68
5.3.210.0050.04412.68
5.3.200.0070.04012.68
5.3.190.0080.03512.68
5.3.180.0070.04212.68
5.3.170.0050.03712.67
5.3.160.0070.04212.67
5.3.150.0070.03512.68
5.3.140.0110.04412.66
5.3.130.0020.04112.66
5.3.120.0050.03912.65
5.3.110.0100.04412.66
5.3.100.0050.04112.12
5.3.90.0060.04612.11
5.3.80.0060.03512.10
5.3.70.0060.03512.11
5.3.60.0050.04312.08
5.3.50.0060.03512.03
5.3.40.0050.03612.03
5.3.30.0050.03411.99
5.3.20.0050.03511.77
5.3.10.0070.03811.74
5.3.00.0020.04111.73
5.2.170.0070.0369.21
5.2.160.0060.0299.22
5.2.150.0010.0339.21
5.2.140.0040.0319.21
5.2.130.0030.0329.18
5.2.120.0080.0269.17
5.2.110.0040.0299.18
5.2.100.0050.0309.18
5.2.90.0050.0289.18
5.2.80.0070.0279.17
5.2.70.0060.0319.17
5.2.60.0090.0299.13
5.2.50.0050.0309.09
5.2.40.0040.0299.07
5.2.30.0030.0319.05
5.2.20.0020.0349.04
5.2.10.0050.0318.95
5.2.00.0070.0268.80
5.1.60.0060.0228.09
5.1.50.0040.0298.08
5.1.40.0070.0218.07
5.1.30.0030.0268.42
5.1.20.0040.0298.44
5.1.10.0050.0298.16
5.1.00.0060.0248.16
5.0.50.0040.0266.64
5.0.40.0100.0226.50
5.0.30.0030.0356.31
5.0.20.0020.0236.28
5.0.10.0030.0206.25
5.0.00.0020.0326.25
4.4.90.0010.0174.78
4.4.80.0050.0134.75
4.4.70.0030.0154.76
4.4.60.0030.0154.76
4.4.50.0020.0154.77
4.4.40.0020.0264.71
4.4.30.0010.0174.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0040.0254.76
4.3.110.0020.0194.67
4.3.100.0030.0244.66
4.3.90.0040.0234.63
4.3.80.0030.0244.59
4.3.70.0040.0134.63
4.3.60.0020.0164.63
4.3.50.0020.0164.63
4.3.40.0060.0294.54
4.3.30.0030.0193.30
4.3.20.0030.0163.28
4.3.10.0030.0153.24
4.3.00.0100.0237.28

preferences:
32.12 ms | 400 KiB | 5 Q