3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bit2chr_mask(string $flags, int $bitmask): string { $chrmask = ''; for($bit = 1, $i = 0; $bit < $bitmask; $bit <<= 1, $i++) { if($bitmask & $bit){ $chrmask .= $flags[$i]; } } return $chrmask; } var_dump(bit2chr_mask('abcdefghijklmnopqrstuvwxyz1234567890', 2147483648));

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)
8.3.60.0110.00718.43
8.3.50.0120.00616.50
8.3.40.0100.00518.73
8.3.30.0140.00018.84
8.3.20.0120.00321.75
8.3.10.0040.00423.53
8.3.00.0080.00022.14
8.2.180.0070.01116.38
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0000.00719.76
8.2.110.0030.00720.93
8.2.100.0110.00317.47
8.2.90.0000.00720.58
8.2.80.0080.00018.04
8.2.70.0000.00817.93
8.2.60.0040.00418.03
8.2.50.0030.00618.10
8.2.40.0050.00220.55
8.2.30.0050.00322.39
8.2.20.0000.00718.07
8.2.10.0040.00418.04
8.2.00.0040.00418.02
8.1.280.0120.00925.92
8.1.270.0080.00024.66
8.1.260.0080.01126.35
8.1.250.0080.00028.09
8.1.240.0040.00421.24
8.1.230.0090.00320.82
8.1.220.0000.00917.74
8.1.210.0000.00819.17
8.1.200.0000.00817.10
8.1.190.0030.00517.35
8.1.180.0050.00318.10
8.1.170.0080.00018.68
8.1.160.0040.00418.89
8.1.150.0000.00720.19
8.1.140.0040.00419.33
8.1.130.0000.00719.02
8.1.120.0040.00717.32
8.1.110.0050.00217.25
8.1.100.0070.00317.45
8.1.90.0080.00017.40
8.1.80.0000.00717.29
8.1.70.0000.00717.44
8.1.60.0080.00017.61
8.1.50.0060.00317.56
8.1.40.0030.00617.52
8.1.30.0040.00417.66
8.1.20.0040.00417.57
8.1.10.0020.00517.44
8.1.00.0030.00517.43
8.0.300.0040.00419.88
8.0.290.0040.00416.63
8.0.280.0000.00718.32
8.0.270.0000.00617.10
8.0.260.0030.00316.68
8.0.250.0070.00016.94
8.0.240.0030.00316.80
8.0.230.0030.00316.79
8.0.220.0070.00016.86
8.0.210.0080.00016.81
8.0.200.0000.00716.80
8.0.190.0030.00516.90
8.0.180.0030.00316.70
8.0.170.0090.00016.88
8.0.160.0070.00016.86
8.0.150.0070.00016.79
8.0.140.0060.00316.77
8.0.130.0060.00013.24
8.0.120.0040.00416.77
8.0.110.0040.00416.73
8.0.100.0050.00316.83
8.0.90.0040.00416.66
8.0.80.0100.01016.89
8.0.70.0040.00416.91
8.0.60.0000.00816.73
8.0.50.0080.00016.83
8.0.30.0100.00917.02
8.0.20.0120.00617.40
8.0.10.0040.00417.01
8.0.00.0050.01216.81
7.4.330.0030.00315.55
7.4.320.0000.00616.54
7.4.300.0000.00616.67
7.4.290.0000.00816.62
7.4.280.0000.00816.62
7.4.270.0040.00416.49
7.4.260.0000.00716.66
7.4.250.0000.00716.50
7.4.240.0030.00316.66
7.4.230.0030.00316.49
7.4.220.0070.00016.36
7.4.210.0070.01216.47
7.4.200.0070.00016.51
7.4.160.0100.00616.55
7.4.140.0130.00717.86
7.4.130.0090.00916.66
7.4.120.0090.01016.52
7.4.110.0140.00416.36
7.4.100.0040.01916.44
7.4.90.0140.00416.45
7.4.80.0030.01419.39
7.4.70.0070.01116.54
7.4.60.0140.00716.54
7.4.50.0030.00916.36
7.4.40.0080.00816.33
7.4.10.0070.01114.85
7.4.00.0080.01014.92
7.3.330.0090.00013.18
7.3.320.0060.00013.32
7.3.310.0000.00716.28
7.3.300.0070.00016.29
7.3.290.0030.00316.37
7.3.280.0070.00816.33
7.3.260.0140.00516.45
7.3.240.0110.00616.41
7.3.230.0060.01016.60
7.3.210.0100.00716.42
7.3.200.0070.01016.60
7.3.190.0090.00916.41
7.3.180.0110.00716.29
7.3.170.0060.01016.50
7.3.160.0100.01016.50
7.3.130.0070.01014.43
7.3.120.0070.01014.89
7.3.110.0100.00714.77
7.3.100.0060.01014.64
7.3.90.0040.00914.81
7.3.80.0030.00914.81
7.3.70.0060.00514.75
7.3.60.0040.00914.83
7.3.50.0030.00814.84
7.3.40.0060.00614.74
7.3.30.0040.00714.84
7.3.20.0090.00516.78
7.3.10.0050.00616.58
7.3.00.0070.00416.65
7.2.330.0080.00816.49
7.2.320.0070.01416.35
7.2.310.0100.01016.60
7.2.300.0090.01216.36
7.2.290.0120.01116.66
7.2.260.0060.01314.97
7.2.250.0070.00615.05
7.2.240.0040.01414.94
7.2.230.0070.00915.08
7.2.220.0090.00715.15
7.2.210.0060.00815.15
7.2.200.0030.01015.03
7.2.190.0040.00714.96
7.2.180.0030.01015.04
7.2.170.0050.00915.01
7.2.160.0030.00915.12
7.2.150.0070.00716.89
7.2.140.0030.00616.82
7.2.130.0040.01016.90
7.2.120.0060.01016.71
7.2.110.0080.00516.81
7.2.100.0090.00416.79
7.2.90.0070.01016.86
7.2.80.0050.00716.85
7.2.70.0070.00816.99
7.2.60.0050.00716.94
7.2.50.0090.00716.93
7.2.40.0070.00616.96
7.2.30.0080.00818.38
7.2.20.0090.01018.43
7.2.10.0080.01118.34
7.2.00.0090.01218.42
7.1.330.0040.00915.71
7.1.320.0060.00715.88
7.1.310.0060.00915.74
7.1.300.0020.01015.77
7.1.290.0070.00415.69
7.1.280.0050.00615.75
7.1.270.0070.00615.72
7.1.260.0040.00815.79
7.1.250.0070.00615.95
7.1.240.0010.01315.75
7.1.230.0070.00415.60
7.1.220.0040.01015.63
7.1.210.0080.00315.71
7.1.200.0090.00415.86
7.1.190.0100.00815.69
7.1.180.0050.00515.64
7.1.170.0150.00415.69
7.1.160.0090.00515.78
7.1.150.0080.01017.23
7.1.140.0060.01217.24
7.1.130.0070.00917.32
7.1.120.0080.01217.19
7.1.110.0080.00916.85
7.1.100.0070.00816.77
7.1.90.0050.01216.98
7.1.80.0070.00817.02
7.1.70.0080.00716.47
7.1.60.0160.01025.37
7.1.50.0130.01525.23
7.1.40.0150.01125.06
7.1.30.0150.01125.09
7.1.20.0180.00925.10
7.1.10.0070.00916.07
7.1.00.0060.01316.21
7.0.330.0090.00715.09
7.0.320.0040.01215.61
7.0.310.0090.00315.14
7.0.300.0030.00915.44
7.0.290.0090.00015.39
7.0.280.0090.00315.21
7.0.270.0100.00315.50
7.0.260.0080.00715.57
7.0.250.0040.00815.16
7.0.240.0030.01015.29
7.0.230.0090.00615.38
7.0.220.0100.00315.24
7.0.210.0070.01015.48
7.0.200.0040.00815.31
7.0.190.0000.01215.62
7.0.180.0030.00715.23
7.0.170.0070.00715.19
7.0.160.0100.00615.25
7.0.150.0040.00815.43
7.0.140.0070.00715.43
7.0.130.0050.00515.34
7.0.120.0070.00715.41
7.0.110.0090.00615.32
7.0.100.0000.01115.57
7.0.90.0080.00415.42
7.0.80.0060.00615.48
7.0.70.0030.00915.59
7.0.60.0070.00715.47
7.0.50.0060.00315.41
7.0.40.0030.00913.51
7.0.30.0030.00913.23
7.0.20.0070.00713.47
7.0.10.0030.01213.54
7.0.00.0060.00913.51
5.6.400.0030.01014.43
5.6.390.0040.01214.06
5.6.380.0040.00914.18
5.6.370.0000.01214.29
5.6.360.0000.01413.90
5.6.350.0090.00614.15
5.6.340.0100.00313.82
5.6.330.0040.01014.28
5.6.320.0040.00814.06
5.6.310.0070.01014.07
5.6.300.0030.01314.23
5.6.290.0030.00614.09
5.6.280.0060.00614.13
5.6.270.0060.00913.92
5.6.260.0090.00314.00
5.6.250.0000.01614.28
5.6.240.0080.00414.11
5.6.230.0070.00714.03
5.6.220.0060.00613.94
5.6.210.0060.00914.23
5.6.200.0060.00614.00
5.6.190.0060.00913.84
5.6.180.0090.00614.09
5.6.170.0030.01313.96
5.6.160.0030.00714.13
5.6.150.0030.00914.09
5.6.140.0090.00914.45
5.6.130.0060.00614.24
5.6.120.0040.01214.29
5.6.110.0000.01414.13
5.6.100.0030.01014.50
5.6.90.0100.00013.87
5.6.80.0070.00413.78
5.6.70.0070.00314.08
5.6.60.0070.00713.85
5.6.50.0100.00314.01
5.6.40.0000.01514.10
5.6.30.0030.00914.10
5.6.20.0080.00014.14
5.6.10.0070.00714.25
5.6.00.0000.01014.02

preferences:
59.66 ms | 401 KiB | 5 Q