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), decbin($digit));

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)
8.3.60.0070.01118.55
8.3.50.0120.00321.08
8.3.40.0090.01218.48
8.3.30.0030.01020.04
8.3.20.0040.00420.25
8.3.10.0080.00022.09
8.3.00.0070.00022.52
8.2.180.0060.01216.50
8.2.170.0070.01122.96
8.2.160.0050.00820.36
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0160.00326.16
8.2.120.0040.00419.66
8.2.110.0110.00422.31
8.2.100.0090.00319.40
8.2.90.0000.00819.22
8.2.80.0040.00419.18
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0080.00017.91
8.2.30.0020.00718.05
8.2.20.0020.00517.63
8.2.10.0040.00417.59
8.2.00.0030.00617.72
8.1.280.0100.00725.92
8.1.270.0040.00424.66
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0100.00023.96
8.1.230.0090.00319.04
8.1.220.0090.00317.74
8.1.210.0080.00018.77
8.1.200.0040.00817.35
8.1.190.0000.00817.50
8.1.180.0080.00018.62
8.1.170.0040.00418.66
8.1.160.0000.00722.13
8.1.150.0030.00518.55
8.1.140.0080.00017.42
8.1.130.0030.00317.82
8.1.120.0070.00017.40
8.1.110.0040.00417.39
8.1.100.0000.00717.41
8.1.90.0000.00817.25
8.1.80.0040.00417.37
8.1.70.0030.00317.39
8.1.60.0030.00717.49
8.1.50.0080.00017.52
8.1.40.0050.00217.56
8.1.30.0040.00417.63
8.1.20.0060.00317.60
8.1.10.0000.00717.48
8.1.00.0030.00717.40
8.0.300.0000.00818.77
8.0.290.0030.00317.18
8.0.280.0030.00318.43
8.0.270.0000.00717.16
8.0.260.0000.00718.36
8.0.250.0030.00316.82
8.0.240.0040.00416.95
8.0.230.0030.00316.98
8.0.220.0000.00716.89
8.0.210.0070.00016.89
8.0.200.0070.00016.92
8.0.190.0030.00516.91
8.0.180.0040.00716.89
8.0.170.0070.00016.82
8.0.160.0000.00716.91
8.0.150.0030.00516.71
8.0.140.0040.00416.77
8.0.130.0000.00513.20
8.0.120.0000.00716.74
8.0.110.0040.00416.71
8.0.100.0030.00616.84
8.0.90.0040.00416.83
8.0.80.0160.00016.75
8.0.70.0040.00416.85
8.0.60.0040.00416.65
8.0.50.0050.00216.87
8.0.30.0130.00517.19
8.0.20.0100.00817.40
8.0.10.0050.00316.96
8.0.00.0060.01016.61
7.4.330.0000.00715.00
7.4.320.0060.00316.51
7.4.300.0070.00016.49
7.4.290.0070.00016.61
7.4.280.0070.00016.46
7.4.270.0040.00416.52
7.4.260.0080.00016.39
7.4.250.0070.00016.39
7.4.240.0040.00316.45
7.4.230.0000.00616.67
7.4.220.0090.00916.59
7.4.210.0080.00616.57
7.4.200.0070.00016.46
7.4.190.0080.00016.59
7.4.160.0080.00816.50
7.4.150.0130.00317.40
7.4.140.0090.00817.86
7.4.130.0060.01316.59
7.4.120.0100.00716.41
7.4.110.0060.01216.65
7.4.100.0110.00716.40
7.4.90.0100.01016.54
7.4.80.0090.00619.39
7.4.70.0100.00716.39
7.4.60.0060.01216.40
7.4.50.0030.00516.49
7.4.40.0130.00322.77
7.4.30.0060.01616.59
7.4.00.0020.01614.63
7.3.330.0020.00213.32
7.3.320.0000.00613.35
7.3.310.0070.00016.38
7.3.300.0070.00016.21
7.3.290.0070.01016.36
7.3.280.0120.00516.38
7.3.270.0130.00317.40
7.3.260.0070.01016.59
7.3.250.0110.00616.44
7.3.240.0100.00716.29
7.3.230.0070.01416.46
7.3.210.0100.00716.39
7.3.200.0100.00719.39
7.3.190.0150.00616.52
7.3.180.0000.01716.64
7.3.170.0120.00916.52
7.3.160.0060.00916.39
7.3.120.0070.00814.98
7.3.110.0090.00614.61
7.3.100.0030.00714.60
7.3.90.0000.01314.52
7.3.80.0060.00614.71
7.3.70.0000.01314.93
7.3.60.0110.00314.73
7.3.50.0030.01214.78
7.3.40.0030.01414.56
7.3.30.0040.00814.76
7.3.20.0040.00816.59
7.3.10.0040.00816.43
7.3.00.0060.00616.70
7.2.330.0150.00316.49
7.2.320.0170.00516.16
7.2.310.0090.00616.32
7.2.300.0060.01016.72
7.2.290.0090.00616.70
7.2.250.0070.01315.01
7.2.240.0100.01014.95
7.2.230.0040.01114.84
7.2.220.0000.01015.10
7.2.210.0030.01015.05
7.2.200.0060.00615.05
7.2.190.0140.00314.92
7.2.180.0090.00614.88
7.2.170.0100.00314.88
7.2.160.0030.01015.02
7.2.150.0000.01516.59
7.2.140.0030.01316.77
7.2.130.0080.00416.75
7.2.120.0000.00916.81
7.2.110.0000.01116.66
7.2.100.0000.01216.95
7.2.90.0000.01516.85
7.2.80.0080.00816.80
7.2.70.0060.00616.86
7.2.60.0000.01516.60
7.2.50.0060.00616.68
7.2.40.0040.00916.82
7.2.30.0090.00616.89
7.2.20.0100.00716.93
7.2.10.0070.01016.72
7.2.00.0070.00317.83
7.1.330.0080.00815.77
7.1.320.0070.00715.86
7.1.310.0060.00915.72
7.1.300.0090.00415.72
7.1.290.0070.00715.66
7.1.280.0070.00315.75
7.1.270.0030.00615.62
7.1.260.0070.00715.90
7.1.250.0060.00615.77
7.1.240.0060.00315.93
7.1.230.0040.00815.86
7.1.220.0000.01715.52
7.1.210.0060.00615.61
7.1.200.0060.00315.55
7.1.190.0040.00715.60
7.1.180.0040.01115.95
7.1.170.0090.00315.67
7.1.160.0060.00615.78
7.1.150.0040.00815.93
7.1.140.0000.01515.51
7.1.130.0070.00715.55
7.1.120.0000.01215.61
7.1.110.0040.01115.57
7.1.100.0060.00717.10
7.1.90.0000.01415.69
7.1.80.0060.00615.77
7.1.70.0110.00516.35
7.1.60.0030.01417.49
7.1.50.0080.01016.42
7.1.40.0090.00415.56
7.1.30.0070.00715.89
7.1.20.0030.00915.73
7.1.10.0090.00615.78
7.1.00.0030.02219.06
7.0.330.0040.00715.43
7.0.320.0070.00715.29
7.0.310.0030.00715.37
7.0.300.0080.00015.46
7.0.290.0090.00015.41
7.0.280.0080.00415.08
7.0.270.0090.00615.14
7.0.260.0050.00515.25
7.0.250.0000.01315.36
7.0.240.0040.01115.52
7.0.230.0110.00415.39
7.0.220.0060.00615.31
7.0.210.0100.00315.51
7.0.200.0180.01015.02
7.0.190.0080.00415.50
7.0.180.0030.01015.41
7.0.170.0030.00615.45
7.0.160.0030.01015.50
7.0.150.0040.00815.07
7.0.140.0050.03618.62
7.0.130.0030.00715.52
7.0.120.0000.00915.46
7.0.110.0000.01315.20
7.0.100.0060.00615.52
7.0.90.0110.00315.39
7.0.80.0090.00315.26
7.0.70.0040.01115.32
7.0.60.0060.04317.76
7.0.50.0080.03516.57
7.0.40.0050.04016.79
7.0.30.0100.02916.81
7.0.20.0160.04116.63
7.0.10.0040.02416.77
7.0.00.0020.04916.83
5.6.400.0060.00914.14
5.6.390.0000.00813.86
5.6.380.0090.00914.12
5.6.370.0040.00814.43
5.6.360.0030.00714.16
5.6.350.0030.01014.35
5.6.340.0140.00014.57
5.6.330.0100.00014.19
5.6.320.0110.00414.07
5.6.310.0030.00913.99
5.6.300.0070.00714.14
5.6.290.0070.00714.17
5.6.280.0080.03517.46
5.6.270.0030.00614.14
5.6.260.0000.01514.35
5.6.250.0000.01814.57
5.6.240.0070.00714.56
5.6.230.0040.01114.43
5.6.220.0070.00414.13
5.6.210.0050.04017.40
5.6.200.0090.02816.12
5.6.190.0100.02517.29
5.6.180.0210.03017.45
5.6.170.0180.03617.32
5.6.160.0070.03517.40
5.6.150.0080.04716.17
5.6.140.0100.04116.17
5.6.130.0030.03016.17
5.6.120.0150.04217.66
5.6.110.0050.03217.77
5.6.100.0050.02717.64
5.6.90.0100.04217.55
5.6.80.0050.04717.24
5.6.70.0000.01714.20
5.6.60.0070.00714.34
5.6.50.0070.00614.13
5.6.40.0060.00914.02
5.6.30.0060.00914.04
5.6.20.0090.00614.20
5.6.10.0030.00914.26
5.6.00.0070.00714.05
5.5.380.0000.01214.25
5.5.370.0100.00314.07
5.5.360.0090.00613.80
5.5.350.0180.03317.38
5.5.340.0030.03716.03
5.5.330.0080.04417.11
5.5.320.0140.02717.09
5.5.310.0190.04317.33
5.5.300.0100.04316.03
5.5.290.0020.02816.26
5.5.280.0070.02617.52
5.5.270.0020.04717.52
5.5.260.0080.04017.30
5.5.250.0070.04417.44
5.5.240.0020.04617.21
5.5.230.0070.00713.98
5.5.220.0120.00614.09
5.5.210.0040.00813.73
5.5.200.0050.00814.27
5.5.190.0060.01014.06
5.5.180.0110.00614.27
5.5.170.0060.00614.01
5.5.160.0120.00313.97
5.5.150.0110.00314.32
5.5.140.0060.00614.04
5.5.130.0060.00613.92
5.5.120.0000.01313.91
5.5.110.0090.00614.24
5.5.100.0030.01013.69
5.5.90.0040.01113.95
5.5.80.0030.01014.06
5.5.70.0110.00314.21
5.5.60.0060.00313.76
5.5.50.0070.00313.62
5.5.40.0060.00613.80
5.5.30.0070.00713.73
5.5.20.0060.00913.78
5.5.10.0080.00614.14
5.5.00.0090.00614.08
5.4.450.0480.03215.21
5.4.440.0120.03815.31
5.4.430.0080.03715.20
5.4.420.0050.03215.21
5.4.410.0060.03215.16
5.4.400.0000.03614.79
5.4.390.0070.02914.86
5.4.380.0150.03414.74
5.4.370.0130.02714.92
5.4.360.0070.03114.88
5.4.350.0060.02311.43
5.4.340.0060.02311.50
5.4.330.0050.00210.76
5.4.320.0050.02511.76
5.4.310.0040.02311.78
5.4.300.0060.02211.73
5.4.290.0080.02111.62
5.4.280.0030.02311.56
5.4.270.0060.02211.76
5.4.260.0050.02211.63
5.4.250.0070.04415.01
5.4.240.0150.03014.75
5.4.230.0100.03115.08
5.4.220.0120.02614.83
5.4.210.0100.02714.85
5.4.200.0110.02814.90
5.4.190.0070.03015.04
5.4.180.0170.03314.98
5.4.170.0060.03014.95
5.4.160.0120.02214.93
5.4.150.0080.03214.75
5.4.140.0090.02913.61
5.4.130.0050.03313.69
5.4.120.0030.03013.66
5.4.110.0000.03313.74
5.4.100.0000.03613.69
5.4.90.0050.03013.59
5.4.80.0060.03013.71
5.4.70.0020.03213.77
5.4.60.0060.03113.70
5.4.50.0070.02713.80
5.4.40.0050.03913.63
5.4.30.0050.03313.76
5.4.20.0080.02813.83
5.4.10.0050.03513.71
5.4.00.0080.03013.39
5.3.290.0040.02511.72
5.3.280.0130.02312.59
5.3.270.0100.02812.70
5.3.260.0110.02312.50
5.3.250.0080.02812.48
5.3.240.0070.04112.65
5.3.230.0040.03312.58
5.3.220.0020.03212.42
5.3.210.0020.03212.58
5.3.200.0080.02812.47
5.3.190.0050.02912.48
5.3.180.0060.02912.49
5.3.170.0060.02812.62
5.3.160.0080.03512.42
5.3.150.0050.02812.62
5.3.140.0080.02712.53
5.3.130.0030.04012.63
5.3.120.0050.03212.53
5.3.110.0100.02812.46
5.3.100.0070.03312.29
5.3.90.0030.03612.21
5.3.80.0100.03612.36
5.3.70.0030.04312.12
5.3.60.0100.02512.31
5.3.50.0050.03112.16
5.3.40.0060.03512.10
5.3.30.0090.02512.37
5.3.20.0050.02812.18
5.3.10.0020.03312.07
5.3.00.0030.02912.02
5.2.170.0130.05011.13
5.2.160.0030.04311.13
5.2.150.0070.04011.22
5.2.140.0100.03711.22
5.2.130.0130.03711.17
5.2.120.0030.04011.05
5.2.110.0170.03311.28
5.2.100.0070.03711.16
5.2.90.0030.04311.08
5.2.80.0070.04011.06
5.2.70.0130.05311.25
5.2.60.0100.03711.01
5.2.50.0070.05011.10
5.2.40.0170.03010.90
5.2.30.0130.03710.96
5.2.20.0000.05010.92
5.2.10.0030.04310.81
5.2.00.0130.05010.62
5.1.60.0100.0309.83
5.1.50.0030.03310.19
5.1.40.0030.03310.06
5.1.30.0030.03710.43
5.1.20.0070.04710.32
5.1.10.0100.03310.03
5.1.00.0070.04310.04
5.0.50.0030.0308.49
5.0.40.0030.0308.48
5.0.30.0070.0408.20
5.0.20.0100.0208.30
5.0.10.0030.0378.22
5.0.00.0070.0408.16
4.4.90.0070.0177.38
4.4.80.0030.0237.38
4.4.70.0000.0237.38
4.4.60.0000.0237.38
4.4.50.0000.0237.38
4.4.40.0030.0407.38
4.4.30.0000.0237.38
4.4.20.0030.0207.38
4.4.10.0030.0307.38
4.4.00.0000.0477.38
4.3.110.0000.0337.38
4.3.100.0070.0177.38
4.3.90.0070.0207.38
4.3.80.0100.0277.38
4.3.70.0030.0207.38
4.3.60.0070.0177.38
4.3.50.0030.0207.38
4.3.40.0070.0277.38
4.3.30.0000.0237.38
4.3.20.0030.0237.38
4.3.10.0000.0237.38
4.3.00.0200.0176.52

preferences:
41.1 ms | 401 KiB | 5 Q