3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 1024; $value = decbin($value); $value = str_split(strrev($value)); $bitValues = array(); foreach($value as $pos => $bit) { if (0 != $bit) { $bitValues[] = pow($pos, 2); } } var_dump($value);

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)
8.3.60.0180.00316.63
8.3.50.0100.00521.94
8.3.40.0110.00418.67
8.3.30.0110.00418.74
8.3.20.0000.00820.20
8.3.10.0080.00023.59
8.3.00.0000.00820.89
8.2.180.0110.00716.36
8.2.170.0040.01122.96
8.2.160.0110.00420.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0110.00726.16
8.2.120.0000.00819.25
8.2.110.0030.00622.23
8.2.100.0000.01119.45
8.2.90.0000.00819.30
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0030.00618.04
8.2.50.0030.00618.07
8.2.40.0060.00320.01
8.2.30.0040.00418.31
8.2.20.0030.00617.72
8.2.10.0040.00418.05
8.2.00.0040.00417.59
8.1.280.0120.00325.92
8.1.270.0040.00421.84
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.97
8.1.230.0110.00018.99
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0080.00317.35
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00618.59
8.1.160.0070.00022.06
8.1.150.0040.00418.54
8.1.140.0090.00017.36
8.1.130.0030.00319.61
8.1.120.0000.00717.41
8.1.110.0000.00817.36
8.1.100.0070.00017.48
8.1.90.0040.00317.46
8.1.80.0000.00817.45
8.1.70.0000.00717.35
8.1.60.0040.00417.46
8.1.50.0040.00417.57
8.1.40.0000.00717.50
8.1.30.0000.00917.62
8.1.20.0070.00017.55
8.1.10.0040.00417.47
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0000.00717.12
8.0.260.0000.00617.25
8.0.250.0030.00316.78
8.0.240.0050.00216.80
8.0.230.0000.00716.90
8.0.220.0000.00716.75
8.0.210.0050.00316.88
8.0.200.0000.00616.89
8.0.190.0050.00316.98
8.0.180.0070.00316.91
8.0.170.0050.00316.87
8.0.160.0050.00216.84
8.0.150.0030.00516.93
8.0.140.0050.00316.73
8.0.130.0060.00013.35
8.0.120.0000.00816.76
8.0.110.0040.00416.89
8.0.100.0040.00416.74
8.0.90.0000.00816.76
8.0.80.0100.00716.80
8.0.70.0040.00416.75
8.0.60.0000.00716.87
8.0.50.0000.00716.92
8.0.30.0120.00717.05
8.0.20.0110.00817.40
8.0.10.0040.00416.91
8.0.00.0130.00816.72
7.4.330.0030.00315.15
7.4.320.0000.00616.65
7.4.300.0080.00016.59
7.4.290.0030.00316.35
7.4.280.0100.00016.61
7.4.270.0040.00416.59
7.4.260.0040.00416.58
7.4.250.0080.00016.43
7.4.240.0020.00616.58
7.4.230.0070.00016.60
7.4.220.0070.02016.46
7.4.210.0070.01416.63
7.4.200.0000.00716.59
7.4.160.0150.00016.62
7.4.150.0000.02117.40
7.4.140.0100.00717.86
7.4.130.0080.01116.55
7.4.120.0100.00716.42
7.4.110.0130.01016.36
7.4.100.0090.00916.52
7.4.90.0030.01316.32
7.4.80.0100.01019.39
7.4.70.0070.01016.38
7.4.60.0100.00716.62
7.4.50.0000.00516.39
7.4.40.0060.00916.33
7.4.30.0070.01016.58
7.4.00.0000.01314.67
7.3.330.0040.00213.10
7.3.320.0000.00712.92
7.3.310.0030.00416.30
7.3.300.0030.00316.27
7.3.290.0100.01016.30
7.3.280.0120.00816.24
7.3.270.0030.01617.40
7.3.260.0120.00616.49
7.3.250.0110.00816.57
7.3.240.0060.01316.24
7.3.230.0120.00416.59
7.3.210.0170.00016.47
7.3.200.0080.00819.39
7.3.190.0080.01516.25
7.3.180.0110.01116.41
7.3.170.0050.01116.27
7.3.160.0130.00416.25
7.3.120.0030.01414.74
7.2.330.0110.00716.52
7.2.320.0060.01216.41
7.2.310.0150.01116.39
7.2.300.0110.00516.65
7.2.290.0140.01116.79
7.2.00.0070.00719.44
7.1.100.0060.01018.26
7.1.70.0030.00716.95
7.1.60.0130.01319.70
7.1.50.0060.01316.92
7.1.00.0070.07322.37
7.0.200.0030.00516.85
7.0.140.0030.07322.18
7.0.60.0030.07019.96
7.0.50.0100.06017.86
7.0.40.0100.07020.19
7.0.30.0270.05720.33
7.0.20.0200.05320.16
7.0.10.0100.07020.17
7.0.00.0130.07320.20
5.6.280.0070.06721.11
5.6.210.0000.04320.54
5.6.200.0100.03318.17
5.6.190.0130.07320.64
5.6.180.0270.07320.57
5.6.170.0370.06020.50
5.6.160.0030.08320.49
5.6.150.0000.05318.22
5.6.140.0070.06718.07
5.6.130.0030.05318.22
5.6.120.0030.04020.89
5.6.110.0030.04321.14
5.6.100.0130.06721.13
5.6.90.0000.04721.10
5.6.80.0100.07020.41
5.5.350.4070.03720.41
5.5.340.0000.04317.92
5.5.330.0070.07020.12
5.5.320.0270.07720.13
5.5.310.0430.07320.33
5.5.300.0170.06317.84
5.5.290.0030.04017.92
5.5.280.0200.07020.80
5.5.270.0030.08320.78
5.5.260.0130.07720.89
5.5.250.0100.06720.55
5.5.240.0070.07720.11
5.4.450.2070.03319.57
5.4.440.1900.04319.37
5.4.430.2370.04319.42
5.4.420.2000.04319.48
5.4.410.2130.04718.97
5.4.400.2230.04718.78
5.4.390.1730.04719.08
5.4.380.0070.06318.81
5.4.370.0070.07019.10
5.4.360.0930.07319.22
5.4.350.2130.04019.11
5.4.340.2330.04719.09
5.4.320.2270.05018.81
5.4.310.2130.03719.13
5.4.300.2170.03719.14
5.4.290.2230.03719.09
5.4.280.1970.03719.21
5.4.270.2270.04018.88
5.4.260.2030.04318.77
5.4.250.2270.03319.15
5.4.240.2230.04019.06
5.4.230.2200.03719.08
5.4.220.1970.03719.09
5.4.210.2030.04019.12
5.4.200.2200.03718.88
5.4.190.2130.04319.24
5.4.180.2170.04319.07
5.4.170.2130.03019.05
5.4.160.2170.04019.22
5.4.150.2330.03719.14
5.4.140.2400.05016.27
5.4.130.1970.04016.27
5.4.120.2100.03016.43
5.4.110.2030.03016.41
5.4.100.2130.03316.42
5.4.90.2030.03716.23
5.4.80.2100.03016.48
5.4.70.1800.02316.38
5.4.60.2430.03716.40
5.4.50.2230.04316.31
5.4.40.2030.03716.04
5.4.30.2070.03016.38
5.4.20.2100.02716.19
5.4.10.2130.03316.32
5.4.00.1970.03715.97
5.3.290.2030.04014.61
5.3.280.2030.03314.55
5.3.270.1770.03314.62
5.3.260.0030.06314.55
5.3.250.0030.04014.55
5.3.240.0930.03714.44
5.3.230.2130.03714.58
5.3.220.1400.03314.52
5.3.210.0070.08014.52
5.3.200.0100.04714.52
5.3.190.1500.03314.55
5.3.180.2070.04014.39
5.3.170.2000.04314.61
5.3.160.1930.03314.40
5.3.150.2070.03714.50
5.3.140.1770.03314.54
5.3.130.2300.04714.48
5.3.120.2270.04014.38
5.3.110.2070.03314.49
5.3.100.2170.04013.87
5.3.90.2200.04314.11
5.3.80.2170.03713.85
5.3.70.2200.03314.11
5.3.60.1930.03714.10
5.3.50.1900.04013.89
5.3.40.2100.03713.85
5.3.30.2030.03313.70
5.3.20.2270.04013.63
5.3.10.1970.03013.56
5.3.00.2070.04013.48
5.2.170.0470.04311.01
5.2.160.0030.03311.08
5.2.150.0070.05711.22
5.2.140.0030.06310.98
5.2.130.1170.03711.26
5.2.120.1770.03011.04
5.2.110.1730.04011.26
5.2.100.2070.03010.96
5.2.90.1900.03310.95
5.2.80.1900.03011.14
5.2.70.1700.02011.03
5.2.60.1930.03010.89
5.2.50.1870.03311.18
5.2.40.1600.02711.04
5.2.30.1570.04311.14
5.2.20.0200.03310.79
5.2.10.0100.02010.79
5.2.00.0030.04310.61
5.1.60.0030.05310.11
5.1.50.1070.0339.91
5.1.40.1530.02310.02
5.1.30.1430.03710.19
5.1.20.1330.02710.30
5.1.10.1570.0339.99
5.1.00.1670.02010.04
5.0.50.0870.0338.52
5.0.40.0730.0238.53
5.0.30.0800.0378.52
5.0.20.0670.0178.52
5.0.10.0670.0208.52
5.0.00.0700.0308.52
4.4.90.0830.0208.52
4.4.80.0830.0208.52
4.4.70.0830.0208.52
4.4.60.0730.0108.52
4.4.50.0800.0308.52
4.4.40.0370.0308.52
4.4.30.0000.0178.52
4.4.20.0030.0138.52
4.4.10.0030.0178.52
4.4.00.0000.0238.52
4.3.110.0000.0208.52
4.3.100.0000.0178.52
4.3.90.0000.0178.52
4.3.80.0200.0278.52
4.3.70.0700.0138.52
4.3.60.0700.0208.52
4.3.50.0670.0208.52
4.3.40.0700.0278.52
4.3.30.0370.0208.52
4.3.20.0330.0208.52
4.3.10.0400.0238.52
4.3.00.0300.0178.52

preferences:
41.04 ms | 401 KiB | 5 Q