3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num1 = "5"; $num2 = "6"; function multi() { global $num1,$num2; $num2 = null; } multi(); echo $num2;

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)
8.3.60.0170.00318.24
8.3.50.0080.01321.02
8.3.40.0150.00018.49
8.3.30.0070.00720.27
8.3.20.0140.00320.13
8.3.10.0030.00621.10
8.3.00.0080.00022.47
8.2.180.0230.00016.32
8.2.170.0070.00722.96
8.2.160.0090.00618.79
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0040.01120.80
8.2.110.0090.00020.38
8.2.100.0110.00017.78
8.2.90.0090.00019.05
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0040.00817.80
8.2.50.0000.00818.07
8.2.40.0060.00318.15
8.2.30.0070.00019.43
8.2.20.0040.00417.65
8.2.10.0040.00417.59
8.2.00.0040.00417.64
8.1.280.0070.00725.92
8.1.270.0070.00023.99
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00023.91
8.1.230.0110.00024.02
8.1.220.0000.00718.77
8.1.210.0040.00418.88
8.1.200.0080.00417.13
8.1.190.0050.00317.40
8.1.180.0040.00418.10
8.1.170.0080.00018.49
8.1.160.0040.00418.87
8.1.150.0030.00518.56
8.1.140.0040.00417.41
8.1.130.0070.00017.83
8.1.120.0000.00817.29
8.1.110.0100.00017.25
8.1.100.0000.00717.26
8.1.90.0030.00517.38
8.1.80.0040.00417.39
8.1.70.0000.00717.39
8.1.60.0060.00317.59
8.1.50.0000.00717.44
8.1.40.0050.00317.50
8.1.30.0000.00717.64
8.1.20.0040.00417.54
8.1.10.0000.00717.40
8.1.00.0050.00217.32
8.0.300.0000.00719.95
8.0.290.0040.00417.18
8.0.280.0050.00318.34
8.0.270.0000.00717.23
8.0.260.0030.00316.85
8.0.250.0030.00316.82
8.0.240.0030.00716.81
8.0.230.0030.00316.91
8.0.220.0000.00716.78
8.0.210.0000.00716.82
8.0.200.0000.00816.93
8.0.190.0050.00316.74
8.0.180.0000.00816.84
8.0.170.0040.00416.72
8.0.160.0040.00416.63
8.0.150.0000.00716.86
8.0.140.0040.00416.82
8.0.130.0030.00313.34
8.0.120.0040.00416.82
8.0.110.0040.00416.65
8.0.100.0080.00016.84
8.0.90.0000.00716.71
8.0.80.0110.01116.89
8.0.70.0000.00716.69
8.0.60.0000.00916.89
8.0.50.0040.00416.78
8.0.30.0120.00716.89
8.0.20.0070.01117.40
8.0.10.0000.00716.95
8.0.00.0080.01016.69
7.4.330.0060.00016.80
7.4.320.0040.00416.52
7.4.300.0050.00216.57
7.4.290.0070.00016.57
7.4.280.0060.00016.50
7.4.270.0000.00716.55
7.4.260.0030.00313.29
7.4.250.0040.00416.56
7.4.240.0040.00316.54
7.4.230.0030.00316.39
7.4.220.0070.02116.61
7.4.210.0050.00916.56
7.4.200.0030.00316.68
7.4.190.0030.00316.54
7.4.160.0140.00316.46
7.4.150.0150.01117.40
7.4.140.0140.01817.86
7.4.130.0090.00716.46
7.4.120.0100.00616.47
7.4.110.0120.00616.55
7.4.100.0130.00316.47
7.4.90.0080.01216.55
7.4.80.0150.00619.39
7.4.70.0120.00916.39
7.4.60.0060.01216.53
7.4.50.0030.00516.48
7.4.40.0030.01322.77
7.4.30.0080.00816.31
7.4.00.0100.00314.99
7.3.330.0000.00613.33
7.3.320.0030.00313.21
7.3.310.0000.00616.33
7.3.300.0000.00716.27
7.3.290.0070.00716.30
7.3.280.0050.01116.27
7.3.270.0030.01317.40
7.3.260.0090.00918.24
7.3.250.0110.01116.39
7.3.240.0100.00716.44
7.3.230.0060.01616.48
7.3.210.0080.00916.37
7.3.200.0150.00819.39
7.3.190.0070.01016.36
7.3.180.0070.00716.18
7.3.170.0090.00616.36
7.3.160.0090.01316.40
7.3.120.0030.01314.80
7.2.330.0130.00316.25
7.2.320.0090.00916.67
7.2.310.0040.01616.33
7.2.300.0060.01016.51
7.2.290.0060.00916.57
7.2.60.0030.01016.82
7.2.00.0090.00019.20
7.1.200.0130.00315.72
7.1.100.0030.00818.06
7.1.70.0150.00016.95
7.1.60.0030.01719.17
7.1.50.0110.01416.57
7.1.00.0030.08322.48
7.0.200.0130.00714.65
7.0.140.0000.07322.09
7.0.60.0030.06719.94
7.0.50.0000.04317.88
7.0.40.0170.08320.20
7.0.30.0400.07020.34
7.0.20.0270.06720.33
7.0.10.0230.04720.21
7.0.00.0000.08720.22
5.6.280.0000.07720.99
5.6.210.0070.07320.44
5.6.200.0130.07718.18
5.6.190.0030.04720.51
5.6.180.0200.06320.50
5.6.170.0270.03320.45
5.6.160.0030.04020.54
5.6.150.0070.06718.27
5.6.140.0030.05718.28
5.6.130.0170.06318.15
5.6.120.0100.08321.02
5.6.110.0170.07321.09
5.6.100.0030.05720.96
5.6.90.0070.06720.97
5.6.80.0070.04320.29
5.6.70.4170.04020.50
5.5.350.0070.07320.32
5.5.340.0100.07317.99
5.5.330.0070.04020.27
5.5.320.0430.07720.36
5.5.310.0200.04020.24
5.5.300.0130.03317.95
5.5.290.0000.08718.12
5.5.280.0200.06020.88
5.5.270.0030.05320.64
5.5.260.0170.07020.65
5.5.250.0030.07020.70
5.5.240.0130.05720.24
5.4.450.0170.04019.55
5.4.440.0330.07019.39
5.4.430.0200.03719.17
5.4.420.0230.05019.32
5.4.410.0230.03319.40
5.4.400.0200.03719.18
5.4.390.0230.04318.96
5.4.380.0230.03319.22
5.4.370.0230.08018.87
5.4.360.0270.03318.85
5.4.350.0270.03319.09
5.4.340.0200.04019.32
5.4.320.0200.04319.09
5.4.310.0200.03319.18
5.4.300.0230.04019.22
5.4.290.0230.04719.31
5.4.280.0200.04718.98
5.4.270.0230.04719.09
5.4.260.0170.03719.09
5.4.250.0130.04719.21
5.4.240.0200.03719.00
5.4.230.0230.07718.85
5.4.220.0270.05019.08
5.4.210.0230.04019.19
5.4.200.0230.03318.86
5.4.190.0130.04318.84
5.4.180.0170.03719.21
5.4.170.0130.05718.93
5.4.160.0200.04319.20
5.4.150.0370.06019.07
5.4.140.0230.05016.49
5.4.130.0170.03716.44
5.4.120.0270.03716.38
5.4.110.0170.04016.55
5.4.100.0170.04716.55
5.4.90.0230.03016.40
5.4.80.0230.04316.33
5.4.70.0200.03316.19
5.4.60.0230.03316.54
5.4.50.0200.03716.51
5.4.40.0200.03316.34
5.4.30.0170.03716.41
5.4.20.0200.03316.31
5.4.10.0200.03316.34
5.4.00.0200.03315.94
5.3.290.0230.04714.78
5.3.280.0270.05014.59
5.3.270.0170.03714.65
5.3.260.0130.08014.57
5.3.250.0200.07314.48
5.3.240.0330.03014.64
5.3.230.0270.05714.61
5.3.220.0270.03714.49
5.3.210.0130.04014.64
5.3.200.0200.04014.50
5.3.190.0130.05014.47
5.3.180.0270.06714.47
5.3.170.0200.03714.53
5.3.160.0070.04714.54
5.3.150.0170.03714.49
5.3.140.0170.03714.54
5.3.130.0230.03714.55
5.3.120.0170.04014.52
5.3.110.0100.04314.63
5.3.100.0170.03714.04
5.3.90.0200.03314.18
5.3.80.0200.04014.11
5.3.70.0200.03714.03
5.3.60.0100.04314.09
5.3.50.0230.03013.84
5.3.40.0100.04313.85
5.3.30.0200.03313.91
5.3.20.0100.04313.91
5.3.10.0130.03713.77
5.3.00.0200.03713.66
5.2.170.0130.03011.15
5.2.160.0200.02311.11
5.2.150.0100.03711.05
5.2.140.0170.03011.30
5.2.130.0170.02711.32
5.2.120.0100.03311.25
5.2.110.0130.03311.21
5.2.100.0130.03311.02
5.2.90.0130.03011.04
5.2.80.0130.03011.20
5.2.70.0100.03311.13
5.2.60.0270.02010.95
5.2.50.0130.03011.09
5.2.40.0100.03710.92
5.2.30.0130.02710.91
5.2.20.0100.03011.02
5.2.10.0030.03711.08
5.2.00.0100.03310.68
5.1.60.0130.02310.41
5.1.50.0100.03010.41
5.1.40.0130.02710.41
5.1.30.0100.02710.41
5.1.20.0100.02710.46
5.1.10.0300.02310.41
5.1.00.0170.03710.41
5.0.50.0070.02710.41
5.0.40.0100.02710.41
5.0.30.0070.03010.41
5.0.20.0070.02310.41
5.0.10.0100.01710.41
5.0.00.0030.03710.41
4.4.90.0000.02010.41
4.4.80.0070.01310.41
4.4.70.0070.01310.41
4.4.60.0100.01010.41
4.4.50.0070.01710.41
4.4.40.0070.02710.41
4.4.30.0070.01310.41
4.4.20.0000.02010.41
4.4.10.0070.01710.41
4.4.00.0070.04310.41
4.3.110.0030.02010.41
4.3.100.0070.02010.41
4.3.90.0100.01310.41
4.3.80.0100.04710.41
4.3.70.0070.01710.41
4.3.60.0030.01710.41
4.3.50.0070.01310.41
4.3.40.0100.02010.41
4.3.30.0030.03010.41
4.3.20.0030.01710.41
4.3.10.0100.03010.41
4.3.00.0000.02010.41

preferences:
38.64 ms | 401 KiB | 5 Q