3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'foo'; outsideFunction(); function outsideFunction() { global $bar; $bar = 'ham'; insideFunction(); } function insideFunction() { global $var, $bar; var_dump($var); echo PHP_EOL; var_dump($bar); }

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)
8.3.40.0110.00718.84
8.3.30.0100.00318.92
8.3.20.0080.00020.21
8.3.10.0060.00322.10
8.3.00.0070.00319.38
8.2.170.0100.00622.96
8.2.160.0070.00720.47
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0040.00422.18
8.2.110.0060.00322.25
8.2.100.0090.00317.78
8.2.90.0030.00617.63
8.2.80.0080.00018.78
8.2.70.0000.00817.63
8.2.60.0030.00617.50
8.2.50.0050.00317.63
8.2.40.0060.00617.63
8.2.30.0040.00418.13
8.2.20.0070.00017.60
8.2.10.0060.00317.87
8.2.00.0000.00817.65
8.1.270.0030.00623.96
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00620.91
8.1.230.0040.00722.67
8.1.220.0000.00818.42
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0050.00317.11
8.1.180.0000.00818.10
8.1.170.0030.00617.62
8.1.160.0000.00721.98
8.1.150.0030.00618.80
8.1.140.0040.00417.30
8.1.130.0000.00717.80
8.1.120.0070.00017.43
8.1.110.0060.00317.42
8.1.100.0040.00417.39
8.1.90.0000.00717.38
8.1.80.0030.00317.39
8.1.70.0000.00817.31
8.1.60.0060.00317.40
8.1.50.0040.00417.58
8.1.40.0000.00817.39
8.1.30.0040.00417.53
8.1.20.0000.00817.66
8.1.10.0030.00617.51
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0070.00018.34
8.0.270.0030.00317.18
8.0.260.0030.00317.30
8.0.250.0060.00016.85
8.0.240.0000.00716.88
8.0.230.0070.00016.80
8.0.220.0030.00316.81
8.0.210.0040.00416.86
8.0.200.0000.00816.91
8.0.190.0000.00916.79
8.0.180.0050.00216.77
8.0.170.0040.00416.75
8.0.160.0050.00216.84
8.0.150.0000.00716.73
8.0.140.0030.00616.69
8.0.130.0000.00613.20
8.0.120.0000.00816.85
8.0.110.0000.00716.83
8.0.100.0040.00416.77
8.0.90.0040.00416.71
8.0.80.0060.00916.76
8.0.70.0040.00416.76
8.0.60.0040.00416.84
8.0.50.0000.00716.71
8.0.30.0110.00816.95
8.0.20.0090.00917.40
8.0.10.0050.00316.99
8.0.00.0100.01216.70
7.4.330.0060.00015.00
7.4.320.0000.00816.53
7.4.300.0030.00316.57
7.4.290.0040.00416.55
7.4.280.0080.00016.52
7.4.270.0020.00516.63
7.4.260.0040.00416.53
7.4.250.0000.00816.47
7.4.240.0000.00716.60
7.4.230.0030.00316.48
7.4.220.0000.00716.33
7.4.210.0090.00616.58
7.4.200.0050.00216.32
7.4.160.0080.00816.54
7.4.150.0170.00317.40
7.4.140.0080.01017.86
7.4.130.0090.00816.48
7.4.120.0110.00616.48
7.4.110.0100.00716.46
7.4.100.0120.00416.46
7.4.90.0140.00316.58
7.4.80.0110.00719.39
7.4.70.0110.00516.40
7.4.60.0070.01116.32
7.4.50.0000.00816.42
7.4.40.0110.00516.41
7.4.30.0120.00516.72
7.4.00.0030.00914.79
7.3.330.0030.00313.02
7.3.320.0000.00613.12
7.3.310.0030.00316.08
7.3.300.0030.00316.20
7.3.290.0030.01016.27
7.3.280.0090.00616.23
7.3.270.0100.01017.40
7.3.260.0070.01316.49
7.3.250.0090.01016.28
7.3.240.0100.00716.30
7.3.230.0060.01216.39
7.3.210.0110.00616.58
7.3.200.0060.01219.39
7.3.190.0060.01216.45
7.3.180.0110.00616.24
7.3.170.0150.00516.47
7.3.160.0030.01316.48
7.2.330.0090.00816.74
7.2.320.0130.00316.57
7.2.310.0080.01516.52
7.2.300.0060.00916.57
7.2.290.0060.01516.63
7.2.60.0070.00716.79
7.2.00.0030.01019.55
7.1.200.0110.00415.83
7.1.100.0080.00318.20
7.1.70.0000.00716.90
7.1.60.0060.01317.06
7.1.50.0070.01316.95
7.1.00.0030.07322.48
7.0.200.0060.00616.57
7.0.140.0030.07022.09
7.0.60.0070.08020.02
7.0.50.0030.04017.91
7.0.40.0100.08320.11
7.0.30.0170.05020.08
7.0.20.0330.08320.25
7.0.10.0000.07720.15
7.0.00.0000.05020.32
5.6.280.0000.07721.16
5.6.210.0100.07720.47
5.6.200.0070.08018.15
5.6.190.0030.04320.61
5.6.180.0400.08020.64
5.6.170.0400.06720.51
5.6.160.0130.06320.47
5.6.150.0000.04718.14
5.6.140.0070.03718.21
5.6.130.0100.08018.27
5.6.120.0070.08020.93
5.6.110.0030.09021.09
5.6.100.0130.07721.05
5.6.90.0130.07720.95
5.6.80.0170.06720.41
5.5.350.0070.08320.31
5.5.340.0000.04317.99
5.5.330.0100.03720.47
5.5.320.0330.04020.27
5.5.310.0230.07020.24
5.5.300.0070.08018.06
5.5.290.0100.07018.03
5.5.280.0030.04320.98
5.5.270.0170.07320.86
5.5.260.0100.04720.80
5.5.250.0100.07320.70
5.5.240.0270.03320.24
5.4.450.0370.03719.56
5.4.440.0700.03719.55
5.4.430.0530.03319.54
5.4.420.0670.00019.32
5.4.410.0670.00019.41
5.4.400.0630.00019.10
5.4.390.0600.00019.26
5.4.380.0630.00019.05
5.4.370.0630.00019.07
5.4.360.0730.00019.09
5.4.350.0630.00018.98
5.4.340.0630.00019.21
5.4.320.0030.04012.51
5.4.310.0090.04812.50
5.4.300.0070.03512.51
5.4.290.0080.03712.50
5.4.280.0080.03412.41
5.4.270.0080.03712.40
5.4.260.0080.03912.40
5.4.250.0080.04012.41
5.4.240.0070.04012.40
5.4.230.0120.04712.39
5.4.220.0110.04812.39
5.4.210.0060.04912.39
5.4.200.0080.04012.39
5.4.190.0110.04312.39
5.4.180.0070.03612.39
5.4.170.0040.03912.40
5.4.160.0070.03612.40
5.4.150.0090.03412.39
5.4.140.0070.03712.07
5.4.130.0050.03712.06
5.4.120.0070.03912.02
5.4.110.0070.03712.02
5.4.100.0090.03912.02
5.4.90.0050.04412.02
5.4.80.0060.04012.02
5.4.70.0100.04812.02
5.4.60.0090.03812.01
5.4.50.0080.03412.01
5.4.40.0090.03512.00
5.4.30.0060.03911.99
5.4.20.0040.04011.99
5.4.10.0080.03512.00
5.4.00.0100.04111.48
5.3.290.0050.04512.80
5.3.280.0090.03912.71
5.3.270.0070.04012.72
5.3.260.0080.03712.72
5.3.250.0090.03912.72
5.3.240.0090.05212.72
5.3.230.0070.04012.70
5.3.220.0070.04212.68
5.3.210.0060.04912.68
5.3.200.0070.03812.68
5.3.190.0130.03212.68
5.3.180.0070.04212.67
5.3.170.0070.04012.67
5.3.160.0050.04112.68
5.3.150.0080.04012.68
5.3.140.0090.03612.66
5.3.130.0100.04012.66
5.3.120.0020.04312.66
5.3.110.0060.04012.66
5.3.100.0080.04312.12
5.3.90.0060.03912.10
5.3.80.0060.04812.09
5.3.70.0060.03812.10
5.3.60.0070.03612.08
5.3.50.0080.03412.02
5.3.40.0030.04012.03
5.3.30.0070.03511.98
5.3.20.0050.04311.77
5.3.10.0050.03711.73
5.3.00.0070.04111.72
5.2.170.0090.0289.22
5.2.160.0040.0309.22
5.2.150.0070.0299.23
5.2.140.0020.0399.22
5.2.130.0050.0299.18
5.2.120.0060.0279.18
5.2.110.0060.0299.18
5.2.100.0040.0309.18
5.2.90.0050.0339.18
5.2.80.0060.0329.17
5.2.70.0070.0309.17
5.2.60.0020.0379.13
5.2.50.0050.0329.10
5.2.40.0070.0329.08
5.2.30.0100.0309.04
5.2.20.0040.0409.04
5.2.10.0070.0358.94
5.2.00.0070.0288.80
5.1.60.0030.0298.09
5.1.50.0020.0278.08
5.1.40.0060.0288.07
5.1.30.0060.0338.41
5.1.20.0080.0358.44
5.1.10.0070.0508.16
5.1.00.0060.0368.16
5.0.50.0030.0296.64
5.0.40.0070.0236.50
5.0.30.0050.0386.31
5.0.20.0060.0186.28
5.0.10.0020.0226.26
5.0.00.0050.0336.25
4.4.90.0030.0154.78
4.4.80.0010.0184.76
4.4.70.0050.0154.76
4.4.60.0020.0164.76
4.4.50.0040.0184.77
4.4.40.0030.0264.71
4.4.30.0020.0164.75
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0030.0304.76
4.3.110.0020.0174.67
4.3.100.0040.0194.66
4.3.90.0050.0124.64
4.3.80.0020.0254.58
4.3.70.0050.0124.63
4.3.60.0010.0184.62
4.3.50.0020.0174.62
4.3.40.0010.0264.54
4.3.30.0010.0173.30
4.3.20.0020.0163.29
4.3.10.0020.0173.24
4.3.00.0030.01713.21

preferences:
46.92 ms | 400 KiB | 5 Q