3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { function b() {} } 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)
8.3.60.0110.00718.30
8.3.50.0150.00018.04
8.3.40.0040.01118.89
8.3.30.0070.01418.63
8.3.20.0030.00518.89
8.3.10.0080.00023.65
8.3.00.0030.00523.66
8.2.180.0120.00616.50
8.2.170.0160.00022.96
8.2.160.0080.00520.35
8.2.150.0000.01024.18
8.2.140.0020.00524.66
8.2.130.0050.00226.16
8.2.120.0050.00221.11
8.2.110.0070.00421.12
8.2.100.0090.00317.72
8.2.90.0040.00417.84
8.2.80.0030.00622.30
8.2.70.0000.00817.38
8.2.60.0000.00817.63
8.2.50.0080.00017.63
8.2.40.0040.00717.93
8.2.30.0030.00320.59
8.2.20.0030.00517.99
8.2.10.0030.00518.03
8.2.00.0070.00019.38
8.1.280.0040.01125.92
8.1.270.0080.00023.78
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0030.00619.00
8.1.230.0040.00722.13
8.1.220.0040.00417.78
8.1.210.0080.00018.78
8.1.200.0080.00017.23
8.1.190.0030.00517.23
8.1.180.0060.00318.10
8.1.170.0000.00717.62
8.1.160.0040.00418.86
8.1.150.0000.00718.81
8.1.140.0040.00418.93
8.1.130.0030.00318.93
8.1.120.0000.00717.39
8.1.110.0030.00617.38
8.1.100.0070.00017.32
8.1.90.0000.00717.38
8.1.80.0000.00917.27
8.1.70.0030.00517.27
8.1.60.0040.00417.48
8.1.50.0040.00417.43
8.1.40.0040.00417.48
8.1.30.0040.00417.42
8.1.20.0000.01117.47
8.1.10.0030.00717.29
8.1.00.0040.00417.29
8.0.300.0050.00319.91
8.0.290.0050.00216.75
8.0.280.0000.00718.24
8.0.270.0000.00816.77
8.0.260.0080.00017.18
8.0.250.0030.00316.96
8.0.240.0000.00716.99
8.0.230.0030.00316.82
8.0.220.0030.00316.89
8.0.210.0070.00016.77
8.0.200.0000.00716.93
8.0.190.0000.00716.88
8.0.180.0060.00316.80
8.0.170.0060.00316.90
8.0.160.0000.00716.91
8.0.150.0030.00616.81
8.0.140.0070.00016.73
8.0.130.0030.00313.30
8.0.120.0070.00016.74
8.0.110.0030.00616.75
8.0.100.0000.00716.99
8.0.90.0000.00716.75
8.0.80.0120.00816.90
8.0.70.0040.00416.71
8.0.60.0030.00516.77
8.0.50.0070.00016.76
8.0.30.0090.00817.06
8.0.20.0100.00817.40
8.0.10.0030.00316.86
8.0.00.0090.00816.82
7.4.330.0050.00015.55
7.4.320.0060.00016.39
7.4.300.0070.00016.37
7.4.290.0000.00716.43
7.4.280.0090.00316.35
7.4.270.0070.00016.55
7.4.260.0040.00416.42
7.4.250.0040.00416.43
7.4.240.0030.00416.47
7.4.230.0050.00316.62
7.4.220.0080.00016.33
7.4.210.0090.01016.50
7.4.200.0050.00216.53
7.4.160.0060.01216.55
7.4.140.0100.01017.86
7.4.130.0180.00416.52
7.4.120.0120.00816.45
7.4.110.0080.01516.55
7.4.100.0060.00916.22
7.4.90.0100.00716.55
7.4.80.0080.00819.39
7.4.70.0090.00916.56
7.4.60.0100.00616.40
7.4.50.0000.01516.56
7.4.40.0150.00616.43
7.4.00.0070.00615.04
7.3.330.0000.00613.30
7.3.320.0000.00513.29
7.3.310.0000.00616.29
7.3.300.0070.00016.29
7.3.290.0070.00016.15
7.3.280.0040.01116.27
7.3.260.0100.00816.36
7.3.240.0070.01016.36
7.3.230.0120.00616.53
7.3.210.0080.01216.18
7.3.200.0090.00916.25
7.3.190.0130.00316.26
7.3.180.0090.01216.39
7.3.170.0100.00716.33
7.3.160.0060.00916.36
7.3.120.0130.00314.89
7.3.110.0040.01214.63
7.3.100.0120.00414.54
7.3.90.0060.00314.68
7.3.80.0080.00414.69
7.3.70.0030.00614.60
7.3.60.0060.00914.86
7.3.50.0060.00314.49
7.3.40.0070.00714.45
7.3.30.0030.01014.75
7.3.20.0030.00916.80
7.3.10.0040.01116.54
7.3.00.0100.00316.73
7.2.330.0070.01016.59
7.2.320.0030.01316.44
7.2.310.0140.00316.72
7.2.300.0090.01216.59
7.2.290.0130.01016.40
7.2.250.0100.01015.05
7.2.240.0030.01614.73
7.2.230.0070.01014.71
7.2.220.0070.00715.11
7.2.210.0030.00614.91
7.2.200.0030.00714.96
7.2.190.0080.00515.01
7.2.180.0000.01214.91
7.2.170.0040.00414.93
7.2.80.0400.01114.53
7.2.70.0320.01414.92
7.2.60.1270.00714.87
7.2.50.0320.00814.79
7.2.40.0430.00714.91
7.2.30.0320.00614.88
7.2.20.0280.01515.05
7.2.10.0330.01014.68
7.2.00.0490.00915.01
7.1.330.0060.00915.64
7.1.320.0040.01115.86
7.1.310.0030.00615.68
7.1.300.0040.01215.69
7.1.290.0070.00415.39
7.1.280.0070.00415.59
7.1.270.0030.01015.73
7.1.260.0070.01015.76
7.1.200.0380.00013.76
7.1.190.0250.01413.85
7.1.180.0340.01313.94
7.1.170.0300.00813.84
7.1.160.0300.01113.89
7.1.150.0400.00313.80
7.1.140.0280.01613.73
7.1.130.0290.01113.68
7.1.120.0510.01013.77
7.1.110.0630.00013.98
7.1.100.0350.01213.70
7.1.90.0280.00813.89
7.1.80.0320.00413.79
7.1.70.0370.00313.84
7.1.60.0390.01531.72
7.1.50.0540.01131.84
7.1.40.0400.00931.68
7.1.30.0500.01231.81
7.1.20.0450.00631.61
7.1.10.0300.00713.70
7.1.00.0230.00813.53

preferences:
63.71 ms | 401 KiB | 5 Q