3v4l.org

run code in 300+ PHP versions simultaneously
<?php function count_digits($digit, $base) { // TODO: add type validation return $digit >= 10 ? 1 + count_digits($digit / $base, $base) : 1; } $digit = 1554; $tries = 10000; var_dump(count_digits($digit, 2));

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)
8.3.60.0120.00416.75
8.3.50.0100.00617.32
8.3.40.0000.01518.50
8.3.30.0140.00018.48
8.3.20.0040.00718.48
8.3.10.0040.00418.83
8.3.00.0080.00019.38
8.2.180.0070.00716.50
8.2.170.0110.00722.96
8.2.160.0100.01318.97
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0100.00026.16
8.2.120.0040.00420.94
8.2.110.0060.00321.18
8.2.100.0000.01117.84
8.2.90.0060.00317.63
8.2.80.0040.00418.82
8.2.70.0050.00317.63
8.2.60.0000.00817.63
8.2.50.0030.00517.91
8.2.40.0000.00819.23
8.2.30.0050.00417.66
8.2.20.0030.00717.52
8.2.10.0030.00617.58
8.2.00.0030.00517.67
8.1.280.0080.00625.92
8.1.270.0000.00823.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0040.00719.32
8.1.230.0110.00022.81
8.1.220.0040.00418.52
8.1.210.0060.00318.77
8.1.200.0000.00817.35
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00317.62
8.1.160.0030.00318.94
8.1.150.0000.00718.61
8.1.140.0040.00417.44
8.1.130.0070.00019.17
8.1.120.0040.00417.31
8.1.110.0000.00717.28
8.1.100.0000.00717.38
8.1.90.0000.00917.28
8.1.80.0030.00317.41
8.1.70.0040.00417.34
8.1.60.0050.00317.56
8.1.50.0070.00017.44
8.1.40.0000.00817.50
8.1.30.0040.00417.61
8.1.20.0050.00317.54
8.1.10.0040.00417.55
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0030.00616.61
8.0.280.0070.00018.46
8.0.270.0000.00717.21
8.0.260.0070.00016.72
8.0.250.0030.00716.85
8.0.240.0000.00716.96
8.0.230.0050.00316.84
8.0.220.0070.00016.85
8.0.210.0000.00616.77
8.0.200.0030.00516.69
8.0.190.0040.00416.93
8.0.180.0070.00316.84
8.0.170.0000.00716.76
8.0.160.0030.00316.83
8.0.150.0000.00816.83
8.0.140.0040.00416.83
8.0.130.0030.00313.30
8.0.120.0030.00616.81
8.0.110.0000.00816.71
8.0.100.0000.00716.88
8.0.90.0000.00816.93
8.0.80.0110.00416.77
8.0.70.0040.00416.64
8.0.60.0030.00616.77
8.0.50.0030.00516.85
8.0.30.0060.01017.31
8.0.20.0110.01117.00
8.0.10.0050.00216.84
8.0.00.0130.01216.64
7.4.330.0050.00012.93
7.4.320.0000.00616.57
7.4.300.0030.00316.50
7.4.290.0000.00716.40
7.4.280.0040.00416.47
7.4.270.0000.00716.58
7.4.260.0050.00013.25
7.4.250.0050.00216.50
7.4.240.0050.00216.48
7.4.230.0030.00316.68
7.4.220.0150.00316.45
7.4.210.0150.00616.57
7.4.200.0000.00716.57
7.4.190.0030.00616.42
7.4.160.0000.01616.43
7.4.150.0100.01316.44
7.4.140.0140.00517.86
7.4.130.0040.01816.45
7.4.120.0120.00916.72
7.4.110.0060.01516.58
7.4.100.0070.01016.35
7.4.90.0100.01016.40
7.4.80.0030.01519.39
7.4.70.0080.01316.56
7.4.60.0030.01416.56
7.4.50.0050.00016.54
7.4.40.0070.00716.25
7.4.30.0030.01316.59
7.4.00.0040.01214.77
7.3.330.0030.00313.22
7.3.320.0060.00013.33
7.3.310.0000.00716.18
7.3.300.0030.00316.44
7.3.290.0080.00816.35
7.3.280.0040.01116.36
7.3.270.0070.01016.55
7.3.260.0120.00616.70
7.3.240.0130.00716.34
7.3.230.0110.00616.32
7.3.210.0080.00816.37
7.3.200.0160.00016.53
7.3.190.0060.00916.47
7.3.180.0050.01116.53
7.3.170.0070.01016.34
7.3.160.0050.01116.49
7.3.120.0000.01414.70
7.3.10.0110.00716.32
7.3.00.0090.00716.38
7.2.330.0110.00716.33
7.2.320.0090.00916.61
7.2.310.0140.00616.60
7.2.300.0120.00916.75
7.2.290.0100.00716.55
7.2.130.0120.00716.79
7.2.120.0120.00716.47
7.2.110.0110.00616.60
7.2.100.0080.01016.54
7.2.90.0050.00816.41
7.2.80.0100.00616.53
7.2.70.0090.00416.58
7.2.60.0090.00816.55
7.2.50.0120.00216.34
7.2.40.0060.01016.71
7.2.30.0090.00716.52
7.2.20.0090.00516.51
7.2.10.0090.00616.54
7.2.00.0060.00917.25
7.1.250.0120.00715.52
7.1.240.0090.00915.81
7.1.230.0110.00315.43
7.1.220.0140.00015.68
7.1.210.0030.00615.70
7.1.200.0150.00015.70
7.1.190.0090.00615.87
7.1.180.0060.00915.87
7.1.170.0040.00715.71
7.1.160.0070.01115.70
7.1.150.0000.00915.55
7.1.140.0070.01015.81
7.1.130.0030.00915.67
7.1.120.0040.01115.75
7.1.110.0130.00715.45
7.1.100.0050.00817.07
7.1.90.0080.00015.87
7.1.80.0060.00915.73
7.1.70.0030.00616.53
7.1.60.0100.00316.53
7.1.50.0060.01116.15
7.1.40.0130.00315.73
7.1.30.0070.00315.43
7.1.20.0080.00815.49
7.1.10.0100.00615.70
7.1.00.0130.02819.05
7.0.330.0200.01315.03
7.0.320.0130.00315.31
7.0.310.0070.00715.28
7.0.300.0100.00315.29
7.0.290.0070.00715.34
7.0.280.0110.00415.46
7.0.270.0070.00715.23
7.0.260.0130.00015.44
7.0.250.0030.01015.10
7.0.240.0040.01115.43
7.0.230.0070.00315.35
7.0.220.0100.00715.44
7.0.210.0040.00715.26
7.0.200.0060.00716.07
7.0.190.0110.00415.22
7.0.180.0110.00315.50
7.0.170.0090.00315.46
7.0.160.0040.00415.07
7.0.150.0070.00715.24
7.0.140.0030.04218.64
7.0.130.0040.00815.26
7.0.120.0050.03718.75
7.0.110.0120.00615.24
7.0.100.0110.00415.11
7.0.90.0090.00615.41
7.0.80.0100.00715.58
7.0.70.0080.00015.34
7.0.60.0080.02517.77
7.0.50.0060.02316.67
7.0.40.0100.02216.75
7.0.30.0210.03816.67
7.0.20.0150.02516.67
7.0.10.0080.04516.82
7.0.00.0130.04016.76
5.6.380.0070.00314.14
5.6.370.0140.00014.36
5.6.360.0110.00014.02
5.6.350.0040.01114.25
5.6.340.0110.00014.24
5.6.330.0130.00314.32
5.6.320.0090.00314.23
5.6.310.0100.00314.34
5.6.300.0000.01014.17
5.6.290.0040.00714.39
5.6.280.0030.04317.59
5.6.270.0060.00314.29
5.6.260.0030.00614.23
5.6.250.0080.00414.09
5.6.240.0030.01014.46
5.6.230.0030.00614.23
5.6.220.0070.00714.31
5.6.210.0100.03517.46
5.6.200.0050.03916.26
5.6.190.0020.03017.17
5.6.180.0210.04317.49
5.6.170.0270.03517.37
5.6.160.0150.03517.36
5.6.150.0130.04016.18
5.6.140.0120.03516.16
5.6.130.0030.04016.20
5.6.120.0150.04217.48
5.6.110.0130.02217.64
5.6.100.0140.03517.53
5.6.90.0130.04117.66
5.6.80.0100.04517.15
5.6.70.1930.02117.25
5.6.60.0130.00713.89
5.6.50.0160.00314.09
5.6.40.0120.00014.23
5.6.30.0100.00714.46
5.6.20.0210.00014.17
5.6.10.0110.00714.23
5.6.00.0030.01014.30
5.5.380.0000.01011.30
5.5.370.0060.00311.18
5.5.360.0060.00611.18
5.5.350.0150.03815.79
5.5.340.0030.04714.60
5.5.330.0060.03015.76
5.5.320.0150.02815.75
5.5.310.0300.03315.72
5.5.300.0110.04214.59
5.5.290.0050.02214.61
5.5.280.0050.02516.09
5.5.270.0100.02815.96
5.5.260.0120.02715.97
5.5.250.0040.04815.89
5.5.240.0070.04315.76
5.5.230.0060.00311.18
5.5.220.0060.00311.18
5.5.210.0080.00011.18
5.5.200.0040.00711.18
5.5.190.0070.00011.18
5.5.180.0030.00611.18
5.5.170.0060.00611.18
5.5.160.0090.00011.18
5.5.150.0060.00311.18
5.5.140.0090.00011.18
5.5.130.0060.00311.18
5.5.120.0050.00311.18
5.5.110.0000.00811.18
5.5.100.0090.00011.18
5.5.90.0040.00411.18
5.5.80.0000.01211.18
5.5.70.0080.00411.18
5.5.60.0070.00311.18
5.5.50.0070.00311.23
5.5.40.0050.00511.18
5.5.30.0030.00611.18
5.5.20.0000.00911.18
5.5.10.0070.00311.18
5.5.00.0040.00411.18
5.4.450.0110.02215.33
5.4.440.0070.03815.35
5.4.430.0090.03715.38
5.4.420.0050.02715.32
5.4.410.0090.03615.11
5.4.400.0030.03115.02
5.4.390.0120.03515.21
5.4.380.0060.04115.16
5.4.370.0080.02815.20
5.4.360.0160.03315.15
5.4.350.0030.04115.16
5.4.340.0080.02615.01
5.4.330.0120.00011.18
5.4.320.0020.03015.21
5.4.310.0050.02515.02
5.4.300.0080.03815.21
5.4.290.0030.04015.07
5.4.280.0050.04215.02
5.4.270.0060.02315.02
5.4.260.0060.02215.02
5.4.250.0080.03715.13
5.4.240.0080.02015.12
5.4.230.0050.03915.00
5.4.220.0050.02615.07
5.4.210.0070.02415.14
5.4.200.0050.02615.02
5.4.190.0030.04315.07
5.4.180.0020.02715.01
5.4.170.0050.03015.20
5.4.160.0070.02215.16
5.4.150.0030.03015.12
5.4.140.0110.02313.86
5.4.130.0080.03613.84
5.4.120.0020.02913.84
5.4.110.0030.03113.78
5.4.100.0050.03913.82
5.4.90.0080.02513.79
5.4.80.0100.03413.77
5.4.70.0050.02413.82
5.4.60.0070.04213.79
5.4.50.0110.02413.77
5.4.40.0010.03113.91
5.4.30.0110.03113.72
5.4.20.0110.01913.78
5.4.10.0120.03213.77
5.4.00.0050.02513.54
5.3.290.0050.02112.91
5.3.280.0030.03012.90
5.3.270.0050.02212.88
5.3.260.0070.03112.97
5.3.250.0080.01812.96
5.3.240.0050.02612.92
5.3.230.0050.04012.89
5.3.220.0080.03712.87
5.3.210.0160.01512.90
5.3.200.0050.03512.89
5.3.190.0050.02512.87
5.3.180.0020.04212.88
5.3.170.0050.03912.87
5.3.160.0070.03712.87
5.3.150.0050.03912.88
5.3.140.0080.03012.82
5.3.130.0090.01812.81
5.3.120.0020.02412.93
5.3.110.0080.02012.86
5.3.100.0070.02312.64
5.3.90.0060.03112.61
5.3.80.0030.04212.60
5.3.70.0080.02312.55
5.3.60.0100.03512.59
5.3.50.0060.04012.53
5.3.40.0050.04112.54
5.3.30.0050.03212.58
5.3.20.0070.03212.44
5.3.10.0040.02712.43
5.3.00.0080.03812.43
5.2.170.0060.02111.14
5.2.160.0010.03511.16
5.2.150.0030.03611.15
5.2.140.0040.03011.13
5.2.130.0030.01811.21
5.2.120.0030.03711.10
5.2.110.0030.02511.08
5.2.100.0050.02111.15
5.2.90.0010.02111.08
5.2.80.0010.02011.12
5.2.70.0020.01811.08
5.2.60.0050.02011.14
5.2.50.0040.01511.04
5.2.40.0050.01711.16
5.2.30.0030.03211.14
5.2.20.0090.01811.14
5.2.10.0020.03511.02
5.2.00.0050.02010.93
5.1.60.0020.01610.57
5.1.50.0030.02610.60
5.1.40.0060.02710.60
5.1.30.0050.03210.83
5.1.20.0040.03010.76
5.1.10.0040.02810.61
5.1.00.0060.02510.69
5.0.50.0030.0249.84
5.0.40.0040.0109.75
5.0.30.0030.0349.71
5.0.20.0020.0259.68
5.0.10.0110.0059.71
5.0.00.0000.0289.74
4.4.90.0000.0209.53
4.4.80.0000.0169.53
4.4.70.0010.0119.53
4.4.60.0030.0109.53
4.4.50.0020.0099.53
4.4.40.0020.0159.53
4.4.30.0020.0179.53
4.4.20.0020.0159.53
4.4.10.0010.0219.53
4.4.00.0000.0209.53
4.3.110.0000.0129.53
4.3.100.0020.0229.53
4.3.90.0000.0209.53
4.3.80.0050.0259.53
4.3.70.0000.0199.53
4.3.60.0010.0169.53
4.3.50.0030.0149.53
4.3.40.0000.0219.53
4.3.30.0030.0109.53
4.3.20.0020.0159.53
4.3.10.0010.0149.53
4.3.00.0000.0149.53

preferences:
69.48 ms | 400 KiB | 5 Q