3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 8; $value = decbin($value); $value = str_split(strrev($value)); $bitValues = array(); foreach($value as $pos => $bit) { if (0 != $bit) { $bitValues[] = pow(2, $pos); } } var_dump($bitValues);

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)
8.3.60.0140.00716.38
8.3.50.0100.00817.51
8.3.40.0140.00018.54
8.3.30.0080.00618.60
8.3.20.0030.00618.48
8.3.10.0050.00318.63
8.3.00.0110.00017.63
8.2.180.0170.00316.50
8.2.170.0090.00622.96
8.2.160.0100.00621.07
8.2.150.0140.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0030.00618.91
8.2.110.0050.00521.04
8.2.100.0070.00418.03
8.2.90.0080.00019.35
8.2.80.0060.00319.46
8.2.70.0000.00817.63
8.2.60.0070.00018.05
8.2.50.0000.00818.07
8.2.40.0070.00318.16
8.2.30.0070.00018.16
8.2.20.0000.00917.59
8.2.10.0000.00717.81
8.2.00.0000.00817.73
8.1.280.0090.00925.92
8.1.270.0040.00424.66
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0030.00622.00
8.1.230.0110.00020.96
8.1.220.0060.00318.77
8.1.210.0030.00519.12
8.1.200.0050.00517.35
8.1.190.0040.00417.39
8.1.180.0040.00418.10
8.1.170.0060.00318.75
8.1.160.0040.00418.87
8.1.150.0000.00818.63
8.1.140.0060.00317.44
8.1.130.0000.00717.72
8.1.120.0020.00517.48
8.1.110.0000.00817.45
8.1.100.0040.00417.40
8.1.90.0040.00417.44
8.1.80.0050.00317.50
8.1.70.0070.00017.43
8.1.60.0000.00817.57
8.1.50.0000.00817.42
8.1.40.0030.00617.52
8.1.30.0050.00317.55
8.1.20.0000.00717.63
8.1.10.0030.00617.44
8.1.00.0040.00417.35
8.0.300.0070.00020.00
8.0.290.0000.00716.75
8.0.280.0000.00818.45
8.0.270.0000.00717.12
8.0.260.0050.00216.89
8.0.250.0000.00816.94
8.0.240.0070.00016.85
8.0.230.0030.00316.95
8.0.220.0000.00716.91
8.0.210.0040.00416.80
8.0.200.0050.00316.98
8.0.190.0040.00416.96
8.0.180.0100.00016.83
8.0.170.0040.00416.92
8.0.160.0040.00416.80
8.0.150.0040.00416.73
8.0.140.0070.00016.84
8.0.130.0030.00313.31
8.0.120.0000.00716.79
8.0.110.0000.00816.85
8.0.100.0030.00516.89
8.0.90.0000.00716.91
8.0.80.0040.01216.92
8.0.70.0040.00416.93
8.0.60.0030.00516.89
8.0.50.0000.00716.95
8.0.30.0140.00516.83
8.0.20.0090.00917.05
8.0.10.0020.00517.00
8.0.00.0220.00616.80
7.4.330.0000.00512.91
7.4.320.0000.00616.41
7.4.300.0030.00316.51
7.4.290.0060.00016.41
7.4.280.0040.00416.55
7.4.270.0000.00716.58
7.4.260.0030.00313.18
7.4.250.0060.00316.55
7.4.240.0050.00216.57
7.4.230.0030.00316.33
7.4.220.0140.01116.64
7.4.210.0090.00716.50
7.4.200.0030.00316.61
7.4.190.0030.00316.63
7.4.160.0080.00816.39
7.4.150.0070.01016.44
7.4.140.0100.00716.46
7.4.130.0110.00616.55
7.4.120.0090.00916.43
7.4.110.0100.00716.39
7.4.100.0170.00016.56
7.4.90.0100.00716.50
7.4.80.0060.01019.39
7.4.70.0090.00916.47
7.4.60.0120.00316.27
7.4.50.0000.01116.36
7.4.40.0030.01316.29
7.4.30.0100.00716.75
7.4.00.0050.01114.88
7.3.330.0070.00013.24
7.3.320.0000.00513.18
7.3.310.0070.00016.35
7.3.300.0000.00616.24
7.3.290.0110.00316.23
7.3.280.0070.01116.23
7.3.270.0070.01016.33
7.3.260.0060.01216.49
7.3.250.0140.00216.51
7.3.240.0150.00016.51
7.3.230.0040.01416.36
7.3.210.0090.00916.42
7.3.200.0060.01116.43
7.3.190.0110.00816.39
7.3.180.0100.00616.31
7.3.170.0100.00616.48
7.3.160.0070.01016.29
7.3.120.0060.01014.89
7.3.110.0060.01114.85
7.3.100.0070.00914.69
7.3.90.0060.00514.63
7.3.80.0040.01314.78
7.3.70.0110.00314.82
7.3.60.0070.00714.86
7.3.50.0100.00414.88
7.3.40.0040.00814.59
7.3.30.0040.00814.76
7.3.20.0060.00716.61
7.3.10.0080.00616.60
7.3.00.0090.00416.71
7.2.330.0110.01116.74
7.2.320.0150.00316.71
7.2.310.0150.00616.54
7.2.300.0090.00916.70
7.2.290.0130.00716.76
7.2.250.0060.00915.06
7.2.240.0080.01015.08
7.2.230.0070.01115.02
7.2.220.0030.00815.26
7.2.210.0030.01414.86
7.2.200.0070.00814.88
7.2.190.0060.01015.00
7.2.180.0080.00815.08
7.2.170.0070.00815.01
7.2.00.0000.01219.41
7.1.330.0080.00415.92
7.1.320.0020.01015.85
7.1.310.0000.01215.86
7.1.300.0050.01015.70
7.1.290.0050.00715.83
7.1.280.0090.00415.81
7.1.270.0030.00715.73
7.1.260.0050.00815.71
7.1.100.0030.00918.27
7.1.70.0100.00317.06
7.1.60.0070.01819.40
7.1.50.0230.01334.89
7.1.00.0070.07322.33
7.0.200.0340.00015.05
7.0.140.0070.07022.02
7.0.120.0100.06322.11
7.0.60.0030.09019.89
7.0.50.0030.04317.82
7.0.40.0030.04319.91
7.0.30.0230.04720.00
7.0.20.0170.07320.30
7.0.10.0270.08720.20
7.0.00.0100.08320.13
5.6.280.0000.07721.09
5.6.210.0100.06720.66
5.6.200.0030.09318.23
5.6.190.0070.04720.73
5.6.180.0370.04720.43
5.6.170.0270.07720.45
5.6.160.0030.07720.61
5.6.150.0100.03318.14
5.6.140.0070.03718.21
5.6.130.0100.07718.11
5.6.120.0000.06021.01
5.6.110.0130.07720.98
5.6.100.0130.08021.00
5.6.90.0000.04320.96
5.6.80.0070.07720.50
5.5.350.0300.07020.38
5.5.340.0030.08317.98
5.5.330.0000.04720.20
5.5.320.0130.04720.13
5.5.310.0230.08720.12
5.5.300.0000.07318.03
5.5.290.0100.07717.89
5.5.280.0070.04320.61
5.5.270.0000.04720.89
5.5.260.0130.08020.79
5.5.250.0000.06720.77
5.5.240.0030.08720.34
5.4.450.0000.04319.43
5.4.440.0000.04719.11
5.4.430.0070.03719.39
5.4.420.0030.03719.40
5.4.410.0000.04019.12
5.4.400.0070.03319.09
5.4.390.0070.07319.18
5.4.380.0030.03719.08
5.4.370.0070.04318.79
5.4.360.0070.06018.91
5.4.350.0070.08319.18
5.4.340.0100.07319.18
5.4.320.0100.05319.05
5.4.310.0030.03719.18
5.4.300.0000.04319.14
5.4.290.0100.07319.15
5.4.280.0070.07319.18
5.4.270.0170.03718.87
5.4.260.0100.07319.11
5.4.250.0100.07718.90
5.4.240.0070.07719.07
5.4.230.0070.04319.01
5.4.220.0130.06319.19
5.4.210.0030.07718.80
5.4.200.0030.06318.77
5.4.190.0070.08019.16
5.4.180.0070.06318.90
5.4.170.0170.07019.13
5.4.160.0070.07019.16
5.4.150.0070.07318.79
5.4.140.0070.07016.54
5.4.130.0030.06716.27
5.4.120.0100.05716.21
5.4.110.0000.06316.14
5.4.100.0000.04716.27
5.4.90.0130.06316.15
5.4.80.0130.06316.37
5.4.70.0130.02716.59
5.4.60.0100.03016.34
5.4.50.0070.07316.35
5.4.40.0070.07716.41
5.4.30.0100.03316.36
5.4.20.0070.07316.36
5.4.10.0070.06316.30
5.4.00.0030.06015.75
5.3.290.0030.04714.60
5.3.280.0070.03314.49
5.3.270.0070.04014.39
5.3.260.0130.07314.57
5.3.250.0100.06314.53
5.3.240.0070.06314.54
5.3.230.0130.07014.56
5.3.220.0030.05314.50
5.3.210.0030.04014.49
5.3.200.0130.07314.35
5.3.190.0030.07714.49
5.3.180.0030.07714.49
5.3.170.0030.03714.52
5.3.160.0170.07314.46
5.3.150.0130.06714.48
5.3.140.0030.07714.48
5.3.130.0070.04714.46
5.3.120.0000.04714.48
5.3.110.0130.07314.45
5.3.100.0070.04313.99
5.3.90.0000.04313.98
5.3.80.0100.07013.98
5.3.70.0000.07713.83
5.3.60.0070.07313.94
5.3.50.0030.05313.73
5.3.40.0130.05014.03
5.3.30.0030.04713.89
5.3.20.0070.07013.62
5.3.10.0070.06013.58
5.3.00.0070.07313.73
5.2.170.0100.05711.12
5.2.160.0000.06711.13
5.2.150.0070.04310.97
5.2.140.0000.06711.11
5.2.130.0030.06711.09
5.2.120.0100.05011.04
5.2.110.0000.07311.18
5.2.100.0070.03711.08
5.2.90.0030.03711.09
5.2.80.0070.06011.08
5.2.70.0070.06311.00
5.2.60.0030.04711.04
5.2.50.0070.04310.89
5.2.40.0070.06310.84
5.2.30.0030.03710.97
5.2.20.0100.02310.85
5.2.10.0030.05710.86
5.2.00.0100.06010.74
5.1.60.0100.0309.89
5.1.50.0000.0579.97
5.1.40.0000.0379.92
5.1.30.0070.05310.36
5.1.20.0130.03710.35
5.1.10.0030.04710.14
5.1.00.0030.04710.04
5.0.50.0030.0478.56
5.0.40.0000.0438.25
5.0.30.0030.0678.20
5.0.20.0000.0278.18
5.0.10.0000.0208.16
5.0.00.0030.0308.17
4.4.90.0070.0307.73
4.4.80.0030.0237.73
4.4.70.0030.0337.73
4.4.60.0030.0337.73
4.4.50.0000.0337.73
4.4.40.0000.0437.73
4.4.30.0030.0307.73
4.4.20.0000.0407.73
4.4.10.0000.0377.73
4.4.00.0000.0577.73
4.3.110.0070.0277.73
4.3.100.0000.0237.73
4.3.90.0030.0137.73
4.3.80.0030.0507.73
4.3.70.0030.0307.73
4.3.60.0030.0177.73
4.3.50.0130.0237.73
4.3.40.0030.0337.73
4.3.30.0000.0237.73
4.3.20.0000.0207.73
4.3.10.0000.0407.73
4.3.00.0000.0237.73

preferences:
46.62 ms | 401 KiB | 5 Q