3v4l.org

run code in 300+ PHP versions simultaneously
<?php function zerofill($mStretch, $iLength = 2) { $sPrintfString = '%s%0' . (int)$iLength . 'b'; return sprintf($sPrintfString, $mStretch, 0b0); } var_dump(zerofill("asd", 10));

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)
8.3.60.0070.01116.50
8.3.50.0100.01022.09
8.3.40.0070.00718.65
8.3.30.0070.01119.04
8.3.20.0040.00420.16
8.3.10.0070.00021.94
8.3.00.0090.00019.13
8.2.180.0060.00918.13
8.2.170.0070.00722.96
8.2.160.0030.01020.53
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00422.32
8.2.110.0030.00622.20
8.2.100.0090.00317.78
8.2.90.0040.00417.78
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0060.00317.64
8.2.50.0030.00718.07
8.2.40.0060.00319.95
8.2.30.0060.00319.91
8.2.20.0070.00017.56
8.2.10.0000.00819.76
8.2.00.0050.00617.75
8.1.280.0100.00725.92
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.50
8.1.230.0110.00020.89
8.1.220.0000.00817.74
8.1.210.0040.00419.03
8.1.200.0070.00317.35
8.1.190.0040.00417.52
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0070.00022.08
8.1.150.0000.00718.63
8.1.140.0040.00417.38
8.1.130.0050.00317.83
8.1.120.0000.00717.52
8.1.110.0070.00017.36
8.1.100.0000.00717.45
8.1.90.0040.00417.45
8.1.80.0040.00317.36
8.1.70.0070.00017.32
8.1.60.0050.00217.63
8.1.50.0060.00317.49
8.1.40.0040.00417.52
8.1.30.0090.00017.63
8.1.20.0000.00817.48
8.1.10.0070.00017.39
8.1.00.0050.00217.34
8.0.300.0000.00719.97
8.0.290.0000.00816.75
8.0.280.0030.00318.49
8.0.270.0000.00717.16
8.0.260.0000.00617.31
8.0.250.0070.00016.97
8.0.240.0030.00616.96
8.0.230.0030.00316.93
8.0.220.0000.00716.91
8.0.210.0070.00016.87
8.0.200.0030.00316.88
8.0.190.0070.00016.96
8.0.180.0000.00716.83
8.0.170.0000.00716.82
8.0.160.0000.00716.87
8.0.150.0040.00416.81
8.0.140.0000.00716.84
8.0.130.0030.00313.26
8.0.120.0030.00516.84
8.0.110.0050.00316.83
8.0.100.0000.00716.95
8.0.90.0080.00016.79
8.0.80.0130.00916.83
8.0.70.0050.00216.85
8.0.60.0050.00216.68
8.0.50.0030.00316.81
8.0.30.0090.00917.31
8.0.20.0120.00717.40
8.0.10.0040.00416.83
8.0.00.0080.01116.74
7.4.330.0030.00215.00
7.4.320.0060.00016.41
7.4.300.0030.00316.52
7.4.290.0000.00716.41
7.4.280.0030.00416.48
7.4.270.0040.00416.43
7.4.260.0030.00516.58
7.4.250.0080.00016.57
7.4.240.0020.00516.50
7.4.230.0030.00316.62
7.4.220.0120.00616.66
7.4.210.0050.01016.66
7.4.200.0000.00716.50
7.4.190.0000.00716.70
7.4.160.0040.01516.61
7.4.150.0120.00617.40
7.4.140.0120.00417.86
7.4.130.0070.01016.54
7.4.120.0140.00716.45
7.4.110.0030.01416.58
7.4.100.0130.01016.45
7.4.90.0200.00316.66
7.4.80.0060.01219.39
7.4.70.0090.01216.53
7.4.60.0090.01216.35
7.4.50.0030.00616.67
7.4.40.0100.01316.46
7.4.30.0100.00616.58
7.4.00.0050.01114.68
7.3.330.0000.00613.17
7.3.320.0000.00513.07
7.3.310.0000.00716.12
7.3.300.0000.00716.20
7.3.290.0050.01516.29
7.3.280.0130.00516.29
7.3.270.0100.00617.40
7.3.260.0110.01116.54
7.3.250.0090.00816.46
7.3.240.0090.00916.34
7.3.230.0060.01216.39
7.3.210.0170.00016.53
7.3.200.0090.00919.39
7.3.190.0180.00316.38
7.3.180.0060.01316.68
7.3.170.0120.01216.29
7.3.160.0060.01316.55
7.3.120.0060.01114.72
7.3.110.0070.01114.95
7.3.100.0040.01114.83
7.3.90.0060.00914.73
7.3.80.0000.01114.76
7.3.70.0030.01014.94
7.3.60.0040.00814.94
7.3.50.0060.01014.64
7.3.40.0000.01114.63
7.3.30.0000.00914.86
7.3.20.0060.00916.55
7.3.10.0080.00816.55
7.3.00.0030.01416.56
7.2.330.0150.00316.38
7.2.320.0000.01716.48
7.2.310.0080.01516.71
7.2.300.0130.01016.70
7.2.290.0100.00716.73
7.2.250.0030.01715.17
7.2.240.0030.01314.68
7.2.230.0110.00415.15
7.2.220.0120.00315.20
7.2.210.0120.00315.17
7.2.200.0040.01114.65
7.2.190.0110.00014.82
7.2.180.0060.00914.94
7.2.170.0000.00914.81
7.2.00.0030.00719.32
7.1.330.0060.01015.61
7.1.320.0030.01015.63
7.1.310.0030.00715.65
7.1.300.0100.00715.83
7.1.290.0000.00815.52
7.1.280.0080.00615.75
7.1.270.0060.00315.84
7.1.260.0030.01315.70
7.1.100.0000.01118.29
7.1.70.0040.00416.98
7.1.60.0060.01219.46
7.1.50.0000.02016.95
7.1.00.0130.06322.57
7.0.200.0220.00914.59
7.0.140.0030.07322.04
7.0.60.0100.07020.04
7.0.50.0130.07317.91
7.0.40.0030.05320.25
7.0.30.0530.05020.26
7.0.20.0400.06320.24
7.0.10.0170.08320.16
7.0.00.0070.09020.10
5.6.280.0000.07720.79
5.6.210.0070.07320.55
5.6.200.0100.05718.19
5.6.190.0100.04320.57
5.6.180.0430.05020.55
5.6.170.0300.07320.52
5.6.160.0070.08720.50
5.6.150.0070.08018.27
5.6.140.0000.06018.17
5.6.130.0100.04318.26
5.6.120.0130.07021.04
5.6.110.0000.09321.09
5.6.100.0030.04020.99
5.6.90.0070.06320.98
5.6.80.0170.07320.39
5.5.350.4130.04320.31
5.5.340.0100.08018.01
5.5.330.0070.08320.38
5.5.320.3000.04320.25
5.5.310.0430.05320.46
5.5.300.0030.04718.08
5.5.290.0100.07718.07
5.5.280.0100.08720.87
5.5.270.0000.05720.83
5.5.260.0100.08320.64
5.5.250.0030.05320.59
5.5.240.0100.07320.13
5.4.450.0530.04719.48
5.4.440.0830.04719.63
5.4.430.0200.05019.54
5.4.420.0130.05319.51
5.4.410.0100.05319.44
5.4.400.0170.05319.07
5.4.390.0230.04319.16
5.4.380.0370.05318.71
5.4.370.0270.06018.80
5.4.360.0270.05018.56
5.4.350.0400.04018.59
5.4.340.0370.04318.81
5.4.320.0060.04312.51
5.4.310.0070.04012.50
5.4.300.0090.04012.50
5.4.290.0110.05412.48
5.4.280.0110.04712.38
5.4.270.0110.05112.38
5.4.260.0080.06012.38
5.4.250.0070.05412.39
5.4.240.0090.04912.38
5.4.230.0150.05312.38
5.4.220.0150.05612.38
5.4.210.0120.05612.38
5.4.200.0110.05912.38
5.4.190.0060.05412.38
5.4.180.0080.04812.37
5.4.170.0050.05612.38
5.4.160.0100.04812.38
5.4.150.0070.05012.37
5.4.140.0040.04412.05
5.4.130.0060.03712.04
5.4.120.0080.03712.00
5.4.110.0060.05512.00
5.4.100.0100.04311.99
5.4.90.0090.03612.00
5.4.80.0050.03912.00
5.4.70.0110.03111.99
5.4.60.0060.03711.99
5.4.50.0050.03812.00
5.4.40.0080.04111.98
5.4.30.0070.03811.98
5.4.20.0060.03811.98
5.4.10.0070.03611.98
5.4.00.0040.04011.46
5.3.290.0070.04212.80
5.3.280.0060.04112.71
5.3.270.0100.05212.72
5.3.260.0060.05612.72
5.3.250.0100.07012.72
5.3.240.0130.05912.72
5.3.230.0080.03912.71
5.3.220.0040.04612.68
5.3.210.0120.05112.68
5.3.200.0100.05612.68
5.3.190.0090.05812.68
5.3.180.0100.05012.67
5.3.170.0150.04512.67
5.3.160.0090.05012.68
5.3.150.0110.03612.67
5.3.140.0130.05612.66
5.3.130.0120.05812.66
5.3.120.0110.06112.66
5.3.110.0110.06512.66
5.3.100.0090.05112.13
5.3.90.0100.05312.11
5.3.80.0120.05212.10
5.3.70.0100.05112.10
5.3.60.0210.06012.09
5.3.50.0080.05112.02
5.3.40.0100.04812.02
5.3.30.0080.04811.98
5.3.20.0070.04411.76
5.3.10.0100.05111.74
5.3.00.0100.05011.72
5.2.170.0090.0519.21
5.2.160.0100.0599.22
5.2.150.0080.0419.21
5.2.140.0070.0449.21
5.2.130.0060.0459.17
5.2.120.0100.0399.17
5.2.110.0060.0389.18
5.2.100.0060.0389.18
5.2.90.0070.0329.17
5.2.80.0080.0319.17
5.2.70.0060.0309.17
5.2.60.0040.0319.13
5.2.50.0040.0319.09
5.2.40.0120.0229.07
5.2.30.0060.0339.05
5.2.20.0060.0279.04
5.2.10.0050.0308.95
5.2.00.0030.0318.81
5.1.60.0050.0268.09
5.1.50.0060.0268.09
5.1.40.0050.0288.06
5.1.30.0050.0348.42
5.1.20.0050.0318.44
5.1.10.0070.0238.17
5.1.00.0050.0258.17
5.0.50.0020.0226.64
5.0.40.0030.0206.50
5.0.30.0040.0306.31
5.0.20.0040.0196.28
5.0.10.0030.0206.26
5.0.00.0030.0316.25
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0154.76
4.4.60.0010.0174.75
4.4.50.0050.0134.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0030.0154.85
4.4.00.0040.0244.75
4.3.110.0070.0264.67
4.3.100.0040.0214.66
4.3.90.0060.0214.63
4.3.80.0050.0334.58
4.3.70.0110.0164.63
4.3.60.0050.0334.63
4.3.50.0030.0234.63
4.3.40.0040.0244.54
4.3.30.0030.0163.30
4.3.20.0050.0143.27
4.3.10.0000.0183.25
4.3.00.0130.0208.71

preferences:
56.22 ms | 401 KiB | 5 Q