3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f() { global $x; echo "f() before: $x\n"; $x += 10; echo "f() after: $x\n"; return 1; } $x = 0; echo "file before: $x\n"; $x += f(); echo "file after: $x\n";

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)
8.3.40.0110.00418.68
8.3.30.0070.00719.05
8.3.20.0100.00720.32
8.3.10.0000.00821.82
8.3.00.0040.00417.50
8.2.170.0090.00622.96
8.2.160.0140.00020.52
8.2.150.0120.00624.18
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0030.00620.97
8.2.110.0100.00020.53
8.2.100.0090.00317.83
8.2.90.0080.00019.21
8.2.80.0060.00317.97
8.2.70.0000.01017.59
8.2.60.0000.00819.66
8.2.50.0000.00818.22
8.2.40.0020.00520.46
8.2.30.0070.00319.21
8.2.20.0040.00417.67
8.2.10.0040.00417.99
8.2.00.0000.00717.55
8.1.270.0110.00723.71
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00323.85
8.1.230.0030.00717.83
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0000.00817.00
8.1.180.0080.00018.10
8.1.170.0040.00418.26
8.1.160.0000.00718.75
8.1.150.0040.00420.12
8.1.140.0000.00717.38
8.1.130.0070.00017.88
8.1.120.0070.00017.29
8.1.110.0040.00417.40
8.1.100.0000.00717.43
8.1.90.0030.00317.27
8.1.80.0000.00717.32
8.1.70.0040.00417.39
8.1.60.0030.00517.59
8.1.50.0040.00417.43
8.1.40.0070.00017.54
8.1.30.0040.00417.61
8.1.20.0040.00417.60
8.1.10.0030.00517.57
8.1.00.0050.00317.33
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0000.00717.26
8.0.260.0030.00317.29
8.0.250.0070.00016.93
8.0.240.0000.00716.99
8.0.230.0000.00716.95
8.0.220.0000.00716.91
8.0.210.0000.00716.90
8.0.200.0030.00316.85
8.0.190.0000.00716.97
8.0.180.0000.00716.91
8.0.170.0040.00416.95
8.0.160.0030.00316.96
8.0.150.0070.00016.79
8.0.140.0090.00016.70
8.0.130.0030.00313.34
8.0.120.0000.00816.75
8.0.110.0050.00316.88
8.0.100.0000.00716.86
8.0.90.0070.00016.93
8.0.80.0120.00916.85
8.0.70.0000.00716.76
8.0.60.0040.00416.85
8.0.50.0040.00416.74
8.0.30.0100.01017.00
8.0.20.0070.01517.40
8.0.10.0000.00716.84
8.0.00.0090.01216.79
7.4.330.0060.00015.09
7.4.320.0060.00016.33
7.4.300.0030.00316.59
7.4.290.0000.00716.50
7.4.280.0000.00816.60
7.4.270.0050.00316.39
7.4.260.0030.00316.45
7.4.250.0040.00416.36
7.4.240.0040.00316.42
7.4.230.0070.00016.48
7.4.220.0150.00316.52
7.4.210.0070.00716.55
7.4.200.0000.00716.38
7.4.160.0030.01316.37
7.4.150.0090.00917.40
7.4.140.0060.01217.86
7.4.130.0080.00816.42
7.4.120.0100.00716.45
7.4.110.0070.01516.54
7.4.100.0170.00016.53
7.4.90.0130.01016.48
7.4.80.0090.00919.39
7.4.70.0120.00916.48
7.4.60.0070.01116.29
7.4.50.0020.00216.35
7.4.40.0090.00816.36
7.4.30.0090.01516.57
7.4.00.0040.00815.20
7.3.330.0040.00213.30
7.3.320.0000.00513.29
7.3.310.0070.00016.30
7.3.300.0030.00316.16
7.3.290.0070.00716.32
7.3.280.0090.00716.29
7.3.270.0060.01217.40
7.3.260.0090.01216.52
7.3.250.0090.01116.46
7.3.240.0120.00616.48
7.3.230.0070.01016.39
7.3.210.0110.00616.44
7.3.200.0100.00719.39
7.3.190.0040.01716.61
7.3.180.0140.00316.41
7.3.170.0040.01816.48
7.3.160.0130.00316.57
7.3.120.0040.01414.79
7.3.110.0030.01514.74
7.3.100.0070.00714.80
7.3.90.0080.00414.73
7.3.80.0100.00315.01
7.3.70.0030.01314.61
7.3.60.0040.00814.58
7.3.50.0070.00714.77
7.3.40.0120.00314.83
7.3.30.0090.00614.47
7.3.20.0130.00316.64
7.3.10.0050.01016.23
7.3.00.0020.01116.68
7.2.330.0110.00616.29
7.2.320.0110.01216.30
7.2.310.0030.01516.25
7.2.300.0040.01516.41
7.2.290.0070.01016.59
7.2.240.0040.01114.93
7.2.230.0080.00415.10
7.2.220.0090.00014.81
7.2.210.0030.00915.05
7.2.200.0120.00314.65
7.2.190.0100.00714.80
7.2.180.0030.01314.86
7.2.170.0100.00714.66
7.2.160.0030.01014.58
7.2.150.0030.01016.54
7.2.140.0100.00716.45
7.2.130.0050.01216.75
7.2.120.0060.00416.72
7.2.110.0050.01016.33
7.2.100.0070.00816.51
7.2.90.0070.00716.55
7.2.80.0040.01116.57
7.2.70.0050.01016.81
7.2.60.0010.01116.63
7.2.50.0030.01216.70
7.2.40.0030.00716.87
7.2.30.0070.00916.75
7.2.20.0060.00816.71
7.2.10.0080.00516.96
7.2.00.0070.00617.52
7.1.330.0050.00515.72
7.1.320.0150.00015.65
7.1.310.0030.00715.77
7.1.300.0000.01115.32
7.1.290.0070.00715.70
7.1.280.0040.00715.63
7.1.270.0090.00615.62
7.1.260.0000.01615.55
7.1.250.0040.01015.38
7.1.200.0000.01215.75
7.1.100.0000.01318.06
7.1.70.0000.00717.00
7.1.60.0100.01419.40
7.1.50.0090.00916.54
7.1.00.0100.06722.44
7.0.200.0030.00616.49
7.0.140.0070.07022.01
7.0.60.0000.08719.94
7.0.50.0070.07717.84
7.0.40.0030.05020.26
7.0.30.0200.04020.34
7.0.20.0270.08720.15
7.0.10.0070.08720.16
7.0.00.0130.06020.19
5.6.280.0070.06721.12
5.6.210.0070.08020.67
5.6.200.0070.03718.14
5.6.190.0070.07020.33
5.6.180.0330.07720.47
5.6.170.0200.07720.48
5.6.160.0130.05320.54
5.6.150.0130.03018.18
5.6.140.0030.08718.11
5.6.130.0070.07718.23
5.6.120.0070.06320.99
5.6.110.0030.08720.97
5.6.100.0100.06320.94
5.6.90.0070.08320.99
5.6.80.0100.04720.38
5.5.350.3830.04020.34
5.5.340.0070.07718.08
5.5.330.0130.08720.26
5.5.320.0200.03720.27
5.5.310.0300.08020.34
5.5.300.0000.04017.95
5.5.290.0070.07017.98
5.5.280.0100.08020.69
5.5.270.0100.06020.75
5.5.260.0070.08020.79
5.5.250.0070.06320.62
5.5.240.0030.06320.17
5.4.450.0070.06719.54
5.4.440.0630.06019.66
5.4.430.0730.04019.25
5.4.420.0700.05019.55
5.4.410.0070.06019.09
5.4.400.0470.05719.22
5.4.390.0700.05018.91
5.4.380.0030.05318.56
5.4.370.0100.05018.46
5.4.360.0070.05018.50
5.4.350.0080.03512.02
5.4.340.0140.06112.02
5.4.320.0070.03512.51
5.4.310.0050.04212.50
5.4.300.0060.03912.51
5.4.290.0040.04012.50
5.4.280.0080.03412.40
5.4.270.0080.03512.40
5.4.260.0080.03612.40
5.4.250.0040.04012.40
5.4.240.0060.03612.40
5.4.230.0060.03712.39
5.4.220.0060.03512.39
5.4.210.0060.03612.39
5.4.200.0060.03712.39
5.4.190.0040.04012.39
5.4.180.0060.03512.39
5.4.170.0100.04012.39
5.4.160.0040.04212.39
5.4.150.0040.04312.39
5.4.140.0030.04212.07
5.4.130.0120.03112.06
5.4.120.0060.03912.02
5.4.110.0060.04412.02
5.4.100.0050.03612.01
5.4.90.0050.03812.02
5.4.80.0050.03712.01
5.4.70.0070.03312.01
5.4.60.0050.03412.01
5.4.50.0060.03712.01
5.4.40.0040.03511.99
5.4.30.0060.03711.99
5.4.20.0070.03511.99
5.4.10.0060.03511.99
5.4.00.0050.03611.48
5.3.290.0080.04512.80
5.3.280.0080.04412.70
5.3.270.0080.03912.72
5.3.260.0070.04312.72
5.3.250.0110.05112.72
5.3.240.0100.04512.71
5.3.230.0110.04212.71
5.3.220.0100.04512.68
5.3.210.0110.04412.68
5.3.200.0060.03712.68
5.3.190.0030.04112.68
5.3.180.0070.03512.67
5.3.170.0050.03712.66
5.3.160.0030.03912.68
5.3.150.0070.03712.68
5.3.140.0070.03612.66
5.3.130.0040.03912.66
5.3.120.0040.03912.66
5.3.110.0060.03912.66
5.3.100.0070.03612.12
5.3.90.0060.03612.10
5.3.80.0060.03612.09
5.3.70.0070.03712.09
5.3.60.0090.04112.08
5.3.50.0070.04012.02
5.3.40.0090.03412.02
5.3.30.0030.03811.98
5.3.20.0090.03211.76
5.3.10.0080.03511.73
5.3.00.0010.04111.73
5.2.170.0070.0309.21
5.2.160.0050.0319.22
5.2.150.0070.0349.21
5.2.140.0060.0309.21
5.2.130.0060.0289.18
5.2.120.0070.0269.17
5.2.110.0030.0329.18
5.2.100.0090.0269.18
5.2.90.0040.0329.17
5.2.80.0040.0319.17
5.2.70.0040.0349.17
5.2.60.0030.0319.13
5.2.50.0060.0289.09
5.2.40.0030.0309.07
5.2.30.0040.0329.04
5.2.20.0040.0309.03
5.2.10.0050.0298.94
5.2.00.0050.0328.80
5.1.60.0040.0258.08
5.1.50.0050.0258.08
5.1.40.0010.0278.07
5.1.30.0050.0268.41
5.1.20.0060.0248.43
5.1.10.0030.0278.16
5.1.00.0060.0248.16
5.0.50.0050.0196.64
5.0.40.0050.0196.50
5.0.30.0040.0326.31
5.0.20.0040.0226.28
5.0.10.0030.0206.26
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0040.0134.75
4.4.50.0010.0174.77
4.4.40.0020.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0144.84
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0040.0154.67
4.3.100.0030.0154.66
4.3.90.0020.0174.63
4.3.80.0010.0264.58
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0020.0164.62
4.3.40.0030.0234.54
4.3.30.0010.0173.30
4.3.20.0010.0173.28
4.3.10.0030.0153.24
4.3.00.0000.0237.82

preferences:
47.62 ms | 400 KiB | 5 Q