3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { function b() { echo "This is ok, right?"; } } a(); a();

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)
8.3.40.0090.00618.71
8.3.30.0170.00318.98
8.3.20.0110.00420.07
8.3.10.0070.00021.64
8.3.00.0050.00319.38
8.2.170.0060.00922.96
8.2.160.0030.01022.26
8.2.150.0070.00724.18
8.2.140.0090.00924.66
8.2.130.0070.00026.16
8.2.120.0060.00319.54
8.2.110.0030.00619.11
8.2.100.0060.00617.75
8.2.90.0080.00019.09
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0000.00917.93
8.2.50.0050.00518.07
8.2.40.0130.00017.79
8.2.30.0050.00317.90
8.2.20.0000.00717.49
8.2.10.0040.00417.98
8.2.00.0000.00717.67
8.1.270.0030.00620.60
8.1.260.0120.00326.35
8.1.250.0050.00228.09
8.1.240.0050.00519.16
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0000.00817.11
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0060.00320.19
8.1.160.0000.00722.07
8.1.150.0040.00418.73
8.1.140.0050.00317.43
8.1.130.0070.00017.75
8.1.120.0000.00717.30
8.1.110.0000.00717.30
8.1.100.0040.00417.20
8.1.90.0040.00417.41
8.1.80.0070.00017.31
8.1.70.0030.00317.27
8.1.60.0000.00817.39
8.1.50.0000.00817.44
8.1.40.0040.00417.43
8.1.30.0050.00317.62
8.1.20.0000.00817.47
8.1.10.0030.00517.34
8.1.00.0030.00617.20
8.0.300.0030.00318.77
8.0.290.0000.00816.75
8.0.280.0070.00018.31
8.0.270.0000.00716.74
8.0.260.0030.00317.18
8.0.250.0070.00016.98
8.0.240.0050.00316.95
8.0.230.0070.00016.84
8.0.220.0030.00316.79
8.0.210.0030.00616.93
8.0.200.0060.00017.02
8.0.190.0030.00316.82
8.0.180.0070.00016.80
8.0.170.0040.00416.84
8.0.160.0040.00416.91
8.0.150.0040.00416.82
8.0.140.0040.00416.90
8.0.130.0050.00013.32
8.0.120.0050.00316.82
8.0.110.0000.00716.86
8.0.100.0070.00016.92
8.0.90.0070.00016.92
8.0.80.0120.00316.84
8.0.70.0040.00416.69
8.0.60.0000.00716.83
8.0.50.0000.00816.99
8.0.30.0120.01316.95
8.0.20.0090.01117.40
8.0.10.0040.00417.06
8.0.00.0120.00516.67
7.4.330.0020.00215.03
7.4.320.0030.00316.54
7.4.300.0000.00616.50
7.4.290.0040.00416.54
7.4.280.0080.00016.41
7.4.270.0030.00316.44
7.4.260.0030.00316.27
7.4.250.0040.00416.49
7.4.240.0030.00516.44
7.4.230.0040.00316.53
7.4.220.0130.01316.58
7.4.210.0080.00616.47
7.4.200.0000.00716.42
7.4.160.0050.01016.33
7.4.150.0130.00517.40
7.4.140.0120.00817.86
7.4.130.0060.01116.49
7.4.120.0110.00616.54
7.4.110.0200.00416.50
7.4.100.0070.01016.42
7.4.90.0130.00616.46
7.4.80.0080.01216.47
7.4.70.0110.00516.50
7.4.60.0030.01316.79
7.4.50.0050.00316.59
7.4.40.0030.01316.43
7.4.30.0120.00616.63
7.4.00.0000.01414.96
7.3.330.0000.00513.11
7.3.320.0130.00013.25
7.3.310.0000.00616.11
7.3.300.0030.00316.20
7.3.290.0030.00316.34
7.3.280.0060.01116.29
7.3.270.0220.01317.40
7.3.260.0090.00916.36
7.3.250.0060.01316.45
7.3.240.0090.01216.45
7.3.230.0090.00916.39
7.3.210.0140.00316.47
7.3.200.0100.01319.39
7.3.190.0070.01016.21
7.3.180.0060.01016.28
7.3.170.0100.01016.34
7.3.160.0120.00416.47
7.2.330.0120.00616.39
7.2.320.0060.01016.34
7.2.310.0210.00316.26
7.2.300.0120.00616.30
7.2.290.0080.00816.35
7.2.60.0000.01316.78
7.2.00.0060.00619.37
7.1.200.0070.00715.60
7.1.100.0120.00618.11
7.1.70.0000.00917.13
7.1.60.0200.00319.50
7.1.50.0060.00916.88
7.1.00.0030.07722.29
7.0.200.0680.00314.66
7.0.140.0070.07022.02
7.0.60.0000.04719.92
7.0.50.0000.04317.85
7.0.40.0100.08720.25
7.0.30.0270.04720.16
7.0.20.0170.06320.15
7.0.10.0200.04320.09
7.0.00.0100.05020.06
5.6.280.0100.06720.91
5.6.210.0100.07720.52
5.6.200.0100.05018.22
5.6.190.0070.04020.49
5.6.180.0270.03020.62
5.6.170.0370.08020.39
5.6.160.0030.04320.50
5.6.150.0100.05018.21
5.6.140.0130.07018.16
5.6.130.0030.07318.15
5.6.120.0030.04321.00
5.6.110.0170.03021.02
5.6.100.0030.08321.14
5.6.90.0130.06721.01
5.6.80.0130.07320.54
5.6.70.0330.07020.38
5.5.350.0130.07320.41
5.5.340.0100.07717.98
5.5.330.0100.08020.19
5.5.320.0070.06720.57
5.5.310.0200.07320.50
5.5.300.0000.05317.98
5.5.290.0200.07017.95
5.5.280.0030.04720.80
5.5.270.0030.08720.73
5.5.260.0130.05720.72
5.5.250.0270.05320.68
5.5.240.0070.07320.01
5.4.450.0570.07019.59
5.4.440.0770.06019.23
5.4.430.0730.06019.45
5.4.420.0130.05019.54
5.4.410.0030.05719.26
5.4.400.0270.06018.79
5.4.390.0270.05318.80
5.4.380.0270.06018.72
5.4.370.0270.05718.58
5.4.360.0370.04718.72
5.4.350.0400.05018.73
5.4.340.0230.05718.81
5.4.320.0230.06318.57
5.4.310.0270.05318.47
5.4.300.0370.05018.76
5.4.290.0230.06018.80
5.4.280.0330.05018.57
5.4.270.0270.05318.58
5.4.260.0330.04718.60
5.4.250.0230.06018.75
5.4.240.0200.06018.80
5.4.230.0370.05018.73
5.4.220.0300.05318.57
5.4.210.0200.06018.71
5.4.200.0300.04716.60
5.4.190.0230.06018.79
5.4.180.0300.05318.45
5.4.170.0300.05318.71
5.4.160.0330.04718.71
5.4.150.0300.07018.50
5.4.140.0230.05716.35
5.4.130.0370.07016.23
5.4.120.0400.06716.17
5.4.110.0270.05716.46
5.4.100.0270.06316.25
5.4.90.0300.05316.25
5.4.80.0330.04316.18
5.4.70.0270.05016.19
5.4.60.0230.05316.25
5.4.50.0470.04316.16
5.4.40.0270.05316.14
5.4.30.0330.04716.14
5.4.20.0300.05316.28
5.4.10.0370.04316.29
5.4.00.0330.04715.77
5.3.290.0270.06014.69
5.3.280.0200.06014.69
5.3.270.0270.06014.78
5.3.260.0370.05014.63
5.3.250.0200.06314.61
5.3.240.0230.05714.74
5.3.230.0430.04014.63
5.3.220.0230.05714.55
5.3.210.0270.05314.71
5.3.200.0270.05314.70
5.3.190.0230.05714.60
5.3.180.0230.06314.55
5.3.170.0330.07014.56
5.3.160.0370.04314.67
5.3.150.0330.05014.78
5.3.140.0200.05714.75
5.3.130.0400.06014.57
5.3.120.0270.05714.73
5.3.110.0400.06014.62
5.3.100.0370.04314.21
5.3.90.0370.05014.19
5.3.80.0300.05714.14
5.3.70.0330.05014.11
5.3.60.0270.05014.13
5.3.50.0230.05313.93
5.3.40.0270.05013.98
5.3.30.0300.04713.89
5.3.20.0370.04013.71
5.3.10.0330.04313.71
5.3.00.0330.04713.74
5.2.170.0270.03711.36
5.2.160.0230.04011.25
5.2.150.0170.05011.21
5.2.140.0170.05011.21
5.2.130.0230.05711.11
5.2.120.0270.03711.08
5.2.110.0300.04011.15
5.2.100.0300.03311.23
5.2.90.0200.04311.30
5.2.80.0300.03311.30
5.2.70.0230.04011.08
5.2.60.0270.03711.18
5.2.50.0370.04311.06
5.2.40.0270.03011.03
5.2.30.0230.03711.09
5.2.20.0200.04011.00
5.2.10.0130.04310.89
5.2.00.0270.03310.84
5.1.60.0130.03710.02
5.1.50.0130.03710.03
5.1.40.0130.04310.18
5.1.30.0200.03310.36
5.1.20.0130.04010.48
5.1.10.0200.03310.25
5.1.00.0200.03010.18
5.0.50.0100.0308.54
5.0.40.0100.0308.59
5.0.30.0130.0378.20
5.0.20.0100.0278.24
5.0.10.0130.0238.30
5.0.00.0070.0438.14
4.4.90.0070.0236.02
4.4.80.0070.0235.88
4.4.70.0070.0235.91
4.4.60.0070.0235.88
4.4.50.0130.0175.89
4.4.40.0100.0335.91
4.4.30.0100.0205.95
4.4.20.0130.0176.01
4.4.10.0100.0205.95
4.4.00.0100.0336.00
4.3.110.0030.0275.82
4.3.100.0170.0135.82
4.3.90.0100.0205.84
4.3.80.0100.0305.85
4.3.70.0100.0205.81
4.3.60.0070.0235.80
4.3.50.0130.0175.79
4.3.40.0100.0335.77
4.3.30.0030.0234.65
4.3.20.0070.0204.53
4.3.10.0070.0204.53
4.3.00.0100.0209.30

preferences:
52.12 ms | 400 KiB | 5 Q