3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getBitStream($string) { $stream = []; foreach (str_split($string) as $byte) { $bits = str_split(sprintf('%08d', decbin(ord($byte)))); $stream = array_merge($stream, $bits); } return $stream; } var_dump(getBitStream('hello world!'));

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)
8.3.40.0070.01418.42
8.3.30.0150.00818.84
8.3.20.0070.01320.16
8.3.10.0100.01023.58
8.3.00.0100.01020.64
8.2.170.0160.00622.96
8.2.160.0100.01022.16
8.2.150.0150.00624.18
8.2.140.0150.00624.66
8.2.130.0150.00426.16
8.2.120.0090.00922.25
8.2.110.0070.00319.34
8.2.100.0030.00917.84
8.2.90.0000.00818.34
8.2.80.0030.00620.53
8.2.70.0040.00417.93
8.2.60.0050.00318.16
8.2.50.0060.00318.10
8.2.40.0050.00319.37
8.2.30.0000.01018.11
8.2.20.0000.00917.71
8.2.10.0080.00019.46
8.2.00.0050.00317.73
8.1.270.0090.01324.02
8.1.260.0130.00726.35
8.1.250.0190.00028.09
8.1.240.0060.00621.91
8.1.230.0040.00820.91
8.1.220.0030.00617.79
8.1.210.0060.00318.77
8.1.200.0030.00717.36
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00618.65
8.1.160.0080.00022.01
8.1.150.0030.00618.64
8.1.140.0040.00417.36
8.1.130.0040.00417.76
8.1.120.0030.00517.40
8.1.110.0030.00617.31
8.1.100.0050.00317.46
8.1.90.0050.00317.36
8.1.80.0070.00017.48
8.1.70.0020.00517.42
8.1.60.0060.00317.46
8.1.50.0030.00517.57
8.1.40.0040.00417.48
8.1.30.0030.00617.52
8.1.20.0000.00817.56
8.1.10.0040.00417.35
8.1.00.0030.00517.27
8.0.300.0060.00319.85
8.0.290.0040.00416.63
8.0.280.0070.00018.36
8.0.270.0000.00717.25
8.0.260.0000.00816.86
8.0.250.0000.00716.91
8.0.240.0040.00416.94
8.0.230.0060.00316.90
8.0.220.0000.00716.87
8.0.210.0030.00316.91
8.0.200.0050.00316.88
8.0.190.0030.00616.99
8.0.180.0040.00416.80
8.0.170.0040.00416.90
8.0.160.0050.00316.89
8.0.150.0040.00416.82
8.0.140.0080.00016.81
8.0.130.0000.00613.25
8.0.120.0050.00316.82
8.0.110.0080.00016.79
8.0.100.0000.00816.85
8.0.90.0030.00516.83
8.0.80.0030.01616.88
8.0.70.0040.00416.95
8.0.60.0040.00416.76
8.0.50.0000.00816.88
8.0.30.0130.01016.99
8.0.20.0160.00717.40
8.0.10.0040.00416.99
8.0.00.0120.01116.90
7.4.330.0000.00515.00
7.4.320.0070.00016.56
7.4.300.0070.00016.55
7.4.290.0090.00316.43
7.4.280.0070.00016.61
7.4.270.0000.00716.51
7.4.260.0040.00416.59
7.4.250.0020.00516.57
7.4.240.0040.00416.60
7.4.230.0000.00716.70
7.4.220.0070.01116.54
7.4.210.0090.00816.65
7.4.200.0040.00416.34
7.4.190.0000.00816.36
7.4.160.0090.00916.59
7.4.150.0100.01017.40
7.4.140.0200.00317.86
7.4.130.0090.01016.52
7.4.120.0110.01416.56
7.4.110.0140.01116.38
7.4.100.0160.01016.52
7.4.90.0030.01716.58
7.4.80.0090.01816.45
7.4.70.0100.01316.40
7.4.60.0130.00316.40
7.4.50.0000.00816.62
7.4.40.0120.00622.77
7.4.30.0070.01316.57
7.4.10.0120.00515.04
7.4.00.0060.01314.99
7.3.330.0030.00313.10
7.3.320.0000.00613.10
7.3.310.0000.00716.27
7.3.300.0030.00516.15
7.3.290.0110.01116.24
7.3.280.0070.01216.21
7.3.270.0110.00717.40
7.3.260.0170.00416.39
7.3.250.0160.01116.31
7.3.240.0180.00316.28
7.3.230.0180.00716.39
7.3.210.0130.00716.25
7.3.200.0060.01919.39
7.3.190.0130.00816.46
7.3.180.0140.00316.25
7.3.170.0120.00916.44
7.3.160.0070.01116.45
7.3.130.0050.01314.74
7.3.120.0080.01014.93
7.3.110.0040.01514.79
7.3.100.0060.01014.94
7.3.90.0080.01014.92
7.3.80.0090.00314.93
7.3.70.0070.00714.81
7.3.60.0070.01014.79
7.3.50.0050.00914.85
7.3.40.0060.01014.71
7.3.30.0090.00814.73
7.3.20.0040.00816.69
7.3.10.0070.00516.36
7.3.00.0070.00916.44
7.2.330.0100.01016.74
7.2.320.0080.01116.74
7.2.310.0120.01316.77
7.2.300.0150.00616.84
7.2.290.0140.01116.72
7.2.260.0050.01314.83
7.2.250.0030.01414.92
7.2.240.0060.01014.90
7.2.230.0080.00714.96
7.2.220.0060.00715.13
7.2.210.0060.00915.11
7.2.200.0090.00915.05
7.2.190.0100.00614.92
7.2.180.0030.00914.96
7.2.170.0060.01215.06
7.2.160.0070.00915.05
7.2.150.0070.00617.00
7.2.140.0090.00816.93
7.2.130.0090.00716.82
7.2.120.0040.00916.95
7.2.110.0060.01016.77
7.2.100.0110.00416.83
7.2.90.0080.00516.89
7.2.80.0050.00716.79
7.2.70.0040.01216.91
7.2.60.0110.00516.96
7.2.50.0070.00916.94
7.2.40.0050.01016.84
7.2.30.0070.00716.89
7.2.20.0060.00816.96
7.2.10.0070.00816.96
7.2.00.0030.01017.32
7.1.330.0040.00915.61
7.1.320.0050.00815.88
7.1.310.0070.00715.86
7.1.300.0100.00415.63
7.1.290.0040.00915.69
7.1.280.0080.00815.82
7.1.270.0080.00615.66
7.1.260.0030.00915.69
7.1.250.0070.00815.68
7.1.240.0050.00715.79
7.1.230.0030.00815.80
7.1.220.0090.00615.75
7.1.210.0050.00815.63
7.1.200.0040.00915.60
7.1.190.0040.01015.82
7.1.180.0120.00315.68
7.1.170.0040.01015.73
7.1.160.0070.00715.73
7.1.150.0090.00415.64
7.1.140.0040.00815.85
7.1.130.0040.00915.80
7.1.120.0070.00515.60
7.1.110.0090.00415.77
7.1.100.0070.00816.20
7.1.90.0040.01115.88
7.1.80.0050.01015.68
7.1.70.0050.00816.21
7.1.60.0080.01016.63
7.1.50.0070.00815.98
7.1.40.0050.00815.58
7.1.30.0060.00915.63
7.1.20.0040.00915.81
7.1.10.0080.00615.62
7.1.00.0060.02417.33
7.0.330.0080.00515.32
7.0.320.0050.01015.33
7.0.310.0060.01015.35
7.0.300.0080.00515.20
7.0.290.0040.00915.24
7.0.280.0040.00715.28
7.0.270.0080.00715.38
7.0.260.0090.00515.36
7.0.250.0060.00715.36
7.0.240.0060.00815.33
7.0.230.0050.00815.37
7.0.220.0070.00615.19
7.0.210.0050.00715.33
7.0.200.0040.00715.63
7.0.190.0070.00515.24
7.0.180.0060.00715.25
7.0.170.0080.00715.38
7.0.160.0060.00515.36
7.0.150.0080.00615.45
7.0.140.0070.02217.14
7.0.130.0050.00815.38
7.0.120.0090.00615.36
7.0.110.0090.00315.43
7.0.100.0060.00915.42
7.0.90.0080.00715.33
7.0.80.0070.00615.24
7.0.70.0040.01215.40
7.0.60.0060.02816.47
7.0.50.0050.01716.09
7.0.40.0060.02615.18
7.0.30.0090.02515.18
7.0.20.0090.01515.28
7.0.10.0060.02115.20
7.0.00.0050.02715.15
5.6.400.0080.00514.29
5.6.390.0020.01114.30
5.6.380.0080.00714.03
5.6.370.0040.01114.45
5.6.360.0050.01014.45
5.6.350.0080.00514.40
5.6.340.0030.00714.28
5.6.330.0030.00714.38
5.6.320.0060.00814.25
5.6.310.0060.00814.22
5.6.300.0070.00714.36
5.6.290.0070.00614.38
5.6.280.0060.02215.98
5.6.270.0080.00614.27
5.6.260.0080.00414.49
5.6.250.0080.00814.37
5.6.240.0090.00614.41
5.6.230.0060.00614.37
5.6.220.0050.00914.45
5.6.210.0070.02615.93
5.6.200.0080.01615.38
5.6.190.0090.02115.89
5.6.180.0080.02415.79
5.6.170.0100.02615.93
5.6.160.0050.02515.86
5.6.150.0060.02815.14
5.6.140.0100.02315.33
5.6.130.0070.02315.34
5.6.120.0070.02116.00
5.6.110.0090.02515.97
5.6.100.0080.01315.86
5.6.90.0100.02315.94
5.6.80.0050.02815.75
5.6.70.0290.01415.77
5.6.60.0070.00714.05
5.6.50.0050.00614.17
5.6.40.0070.00914.25
5.6.30.0060.00714.34
5.6.20.0080.00614.32
5.6.10.0080.00514.24
5.6.00.0040.01014.22
5.5.380.0040.00814.04
5.5.370.0060.00814.34
5.5.360.0090.00814.09
5.5.350.0050.02315.93
5.5.340.0020.03115.21
5.5.330.0040.01915.84
5.5.320.0060.02615.72
5.5.310.0120.02315.91
5.5.300.0070.02515.18
5.5.290.0070.01715.18
5.5.280.0060.01515.88
5.5.270.0080.01415.96
5.5.260.0080.02715.71
5.5.250.0080.02315.84
5.5.240.0080.02215.77
5.5.230.0060.00814.07
5.5.220.0080.00914.10
5.5.210.0060.00814.18
5.5.200.0070.01014.09
5.5.190.0060.00814.28
5.5.180.0050.01114.20
5.5.170.0070.00614.06
5.5.160.0060.00814.00
5.5.150.0040.00814.11
5.5.140.0060.00914.00
5.5.130.0060.00614.10
5.5.120.0050.00914.08
5.5.110.0020.01014.27
5.5.100.0060.00814.14
5.5.90.0080.00414.06
5.5.80.0020.01014.23
5.5.70.0040.00914.06
5.5.60.0080.00514.16
5.5.50.0040.01014.29
5.5.40.0060.00414.25
5.5.30.0060.00614.25
5.5.20.0040.01013.99
5.5.10.0040.00514.11
5.5.00.0080.00614.13
5.4.450.1060.01214.30
5.4.440.0060.02414.26
5.4.430.0390.02114.27
5.4.420.0960.01614.28
5.4.410.1170.01514.28
5.4.400.1010.01314.17
5.4.390.0950.01614.24
5.4.380.1020.01214.22
5.4.370.1010.01114.21
5.4.360.0910.01714.17
5.4.350.0920.01514.24
5.4.340.0900.01514.24
5.4.330.0090.00212.58
5.4.320.1000.01314.24
5.4.310.0930.02114.24
5.4.300.1010.01514.20
5.4.290.1040.01314.24
5.4.280.1060.01214.17
5.4.270.0970.01514.17
5.4.260.0980.01714.24
5.4.250.0990.01314.17
5.4.240.1160.01314.18
5.4.230.0990.01314.22
5.4.220.1020.01514.21
5.4.210.1060.01314.24
5.4.200.0850.01314.24
5.4.190.0060.02114.24
5.4.180.1100.01414.23
5.4.170.1530.00814.17
5.4.160.1180.01514.21
5.4.150.1030.01714.19
5.4.140.1000.01713.57
5.4.130.1010.01513.55
5.4.120.1180.01413.54
5.4.110.0680.01513.56
5.4.100.0060.02013.59
5.4.90.0030.01713.53
5.4.80.1000.01413.61
5.4.70.1040.01313.53
5.4.60.1000.00913.56
5.4.50.0920.01413.54
5.4.40.0960.01313.51
5.4.30.0940.01313.57
5.4.20.0840.01513.52
5.4.10.0610.01413.60
5.4.00.0940.01213.42
5.3.290.0980.01513.10
5.3.280.0920.01413.12
5.3.270.1090.01513.09
5.3.260.1110.01213.11
5.3.250.1370.01513.09
5.3.240.1050.01613.13
5.3.230.1100.01113.09
5.3.220.1130.01313.05
5.3.210.1120.01513.08
5.3.200.0050.02313.08
5.3.190.0780.01413.10
5.3.180.0900.01613.08
5.3.170.0990.01113.08
5.3.160.1080.01613.12
5.3.150.0910.01513.12
5.3.140.0950.01313.09
5.3.130.0820.01213.09
5.3.120.0930.01513.08
5.3.110.0840.01413.11
5.3.100.0940.01212.95
5.3.90.0930.01412.95
5.3.80.0930.01612.93
5.3.70.0930.01312.95
5.3.60.0940.01212.95
5.3.50.0980.01412.93
5.3.40.1120.01112.92
5.3.30.0990.01112.92
5.3.20.1030.01312.85
5.3.10.1060.01212.83
5.3.00.1140.01112.83
5.2.170.3100.02711.04
5.2.160.3230.03311.11
5.2.150.2900.02311.15
5.2.140.3330.03011.15
5.2.130.3330.03011.10
5.2.120.3470.02711.14
5.2.110.3530.03011.15
5.2.100.3270.03311.17
5.2.90.3270.02711.25
5.2.80.3270.02711.15
5.2.70.3170.02711.09
5.2.60.3030.02711.12
5.2.50.3300.03011.02
5.2.40.2630.02710.98
5.2.30.2630.02711.04
5.2.20.2800.03310.98
5.2.10.2830.03010.86
5.2.00.3030.03310.72
5.1.60.2570.02710.08
5.1.50.2670.03010.04
5.1.40.2600.0179.97
5.1.30.2800.02310.34
5.1.20.2670.02710.42
5.1.10.2870.02710.08
5.1.00.2700.02310.11
5.0.50.1270.0208.52
5.0.40.1270.0108.47
5.0.30.1600.0278.38
5.0.20.1700.0208.20
5.0.10.0930.0438.21
5.0.00.1600.0278.20
4.4.90.1330.0176.84
4.4.80.1500.0176.84
4.4.70.1530.0276.84
4.4.60.1730.0206.84
4.4.50.1730.0176.84
4.4.40.1370.0376.84
4.4.30.1470.0176.84
4.4.20.1100.0206.84
4.4.10.1330.0176.84
4.4.00.1230.0236.84
4.3.110.1430.0176.84
4.3.100.1370.0106.84
4.3.90.1630.0176.84
4.3.80.1570.0306.84
4.3.70.1400.0176.84
4.3.60.1170.0176.84
4.3.50.1230.0136.84
4.3.40.1330.0306.84
4.3.30.0730.0176.84
4.3.20.0800.0206.84
4.3.10.0770.0276.84
4.3.00.0700.0176.84

preferences:
62.73 ms | 400 KiB | 5 Q