3v4l.org

run code in 300+ PHP versions simultaneously
<?php $char = 'a'; $ord = 0; $bits = ["\x01", "\x02", "\x04", "\x08", "\x10", "\x20", "\x40", "\x80"]; for ($i = 0; $i < 8; $i++) { if (($char & $bits[$i]) === $bits[$i]) { $ord += 2 ** $i; } } var_dump($ord);

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)
8.5.30.0070.01119.58
8.5.20.0060.01220.17
8.5.10.0070.01219.60
8.5.00.0130.00920.10
8.4.180.0130.00922.13
8.4.170.0100.01220.47
8.4.160.0110.01123.77
8.4.150.0070.00616.82
8.4.140.0080.01317.38
8.4.130.0100.00920.59
8.4.120.0110.00824.13
8.4.110.0040.00522.27
8.4.100.0150.00618.75
8.4.90.0120.00820.41
8.4.80.0040.00518.68
8.4.70.0140.00917.81
8.4.60.0100.01020.74
8.4.50.0130.00818.54
8.4.40.0070.01417.82
8.4.30.0100.01019.55
8.4.20.0090.00019.48
8.4.10.0060.00317.71
8.3.300.0120.00920.75
8.3.290.0050.00520.70
8.3.280.0160.00718.29
8.3.270.0110.00816.40
8.3.260.0130.00516.47
8.3.250.0100.00919.02
8.3.240.0140.00517.26
8.3.230.0140.00516.63
8.3.220.0140.00418.94
8.3.210.0050.00318.36
8.3.200.0050.00316.56
8.3.190.0070.00617.20
8.3.180.0050.00319.18
8.3.170.0100.01016.48
8.3.160.0140.00417.20
8.3.150.0070.01117.41
8.3.140.0000.00818.85
8.3.130.0080.00018.15
8.3.120.0000.01019.09
8.3.110.0000.00920.94
8.3.100.0060.00316.78
8.3.90.0060.00926.77
8.3.80.0100.00318.43
8.3.70.0040.01516.63
8.3.60.0110.00418.30
8.3.50.0050.01021.21
8.3.40.0070.00718.85
8.3.30.0110.00418.71
8.3.20.0070.00020.14
8.3.10.0000.00821.80
8.3.00.0040.00421.73
8.2.300.0160.00622.31
8.2.290.0130.00220.61
8.2.280.0120.00818.06
8.2.270.0070.01116.79
8.2.260.0030.00616.82
8.2.250.0000.00816.71
8.2.240.0060.00318.85
8.2.230.0090.00022.58
8.2.220.0040.00424.06
8.2.210.0070.00726.77
8.2.200.0030.00616.75
8.2.190.0060.00916.75
8.2.180.0070.01118.54
8.2.170.0140.00022.96
8.2.160.0120.00619.46
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00022.16
8.2.120.0040.00426.35
8.2.110.0160.00020.32
8.2.100.0080.00417.91
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0030.00617.62
8.2.60.0080.00018.16
8.2.50.0080.00018.16
8.2.40.0000.00820.61
8.2.30.0030.00619.37
8.2.20.0040.00418.11
8.2.10.0050.00318.07
8.2.00.0040.00418.25
8.1.340.0160.00417.49
8.1.330.0060.00422.00
8.1.320.0120.00816.14
8.1.310.0050.00316.04
8.1.300.0080.00018.45
8.1.290.0100.00030.84
8.1.280.0060.01225.92
8.1.270.0040.01123.82
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00323.98
8.1.230.0080.00417.83
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.13
8.1.180.0000.00718.10
8.1.170.0040.00418.38
8.1.160.0030.00618.95
8.1.150.0030.00620.31
8.1.140.0000.00719.43
8.1.130.0000.00719.02
8.1.120.0000.00717.43
8.1.110.0080.00017.37
8.1.100.0000.00817.46
8.1.90.0000.00817.40
8.1.80.0040.00417.29
8.1.70.0070.00017.29
8.1.60.0000.00717.55
8.1.50.0040.00417.44
8.1.40.0050.00517.46
8.1.30.0080.00017.61
8.1.20.0000.00717.59
8.1.10.0040.00417.49
8.1.00.0000.00817.40
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.48
8.0.270.0000.00717.13
8.0.260.0000.00717.26
8.0.250.0030.00316.99
8.0.240.0090.00016.91
8.0.230.0030.00316.84
8.0.220.0050.00316.88
8.0.210.0030.00316.76
8.0.200.0040.00416.96
8.0.190.0000.00816.92
8.0.180.0040.00416.84
8.0.170.0000.00716.81
8.0.160.0000.00716.92
8.0.150.0070.00316.92
8.0.140.0030.00416.74
8.0.130.0000.00613.32
8.0.120.0040.00416.85
8.0.110.0040.00416.84
8.0.100.0030.00516.84
8.0.90.0040.00416.78
8.0.80.0090.00616.83
8.0.70.0070.00016.82
8.0.60.0000.00716.88
8.0.50.0040.00416.66
8.0.30.0110.00617.20
8.0.20.0100.00917.40
8.0.10.0040.00416.91
8.0.00.0030.01416.68
7.4.330.0050.00015.55
7.4.320.0040.00416.61
7.4.300.0060.00016.40
7.4.290.0070.00316.59
7.4.280.0050.00316.55
7.4.270.0030.00316.63
7.4.260.0070.00016.49
7.4.250.0000.00716.48
7.4.240.0030.00316.50
7.4.230.0000.00716.60
7.4.220.0060.01316.55
7.4.210.0060.01316.54
7.4.200.0030.00316.70
7.4.160.0070.01016.48
7.4.150.0160.00617.40
7.4.140.0090.00817.86
7.4.130.0070.01316.56
7.4.120.0110.01016.49
7.4.110.0070.01016.55
7.4.100.0070.01016.39
7.4.90.0120.00916.54
7.4.80.0060.01219.39
7.4.70.0120.00616.51
7.4.60.0120.00616.52
7.4.50.0030.01116.40
7.4.40.0110.00516.48
7.4.30.0120.00416.50
7.4.00.0060.00915.13
7.3.330.0000.00513.11
7.3.320.0030.00313.24
7.3.310.0000.00816.32
7.3.300.0030.00316.24
7.3.290.0080.00616.25
7.3.280.0100.00816.25
7.3.270.0070.01017.40
7.3.260.0130.00616.49
7.3.250.0100.01116.47
7.3.240.0100.00616.30
7.3.230.0120.00616.51
7.3.210.0060.01416.34
7.3.200.0120.00616.29
7.3.190.0140.00616.56
7.3.180.0070.01016.36
7.3.170.0130.00916.49
7.3.160.0140.00316.27
7.3.120.0050.00815.15
7.3.110.0060.00914.76
7.3.100.0140.00014.68
7.3.90.0080.00415.00
7.3.80.0080.00414.91
7.3.70.0030.01014.78
7.3.60.0030.01314.87
7.3.50.0030.01314.72
7.3.40.0040.00714.64
7.3.30.0090.00614.73
7.3.20.0060.00916.70
7.3.10.0090.00716.68
7.3.00.0060.00716.45
7.2.330.0100.00716.61
7.2.320.0150.00716.72
7.2.310.0030.01416.62
7.2.300.0100.01016.51
7.2.290.0140.00316.50
7.2.240.0090.00614.89
7.2.230.0100.00615.21
7.2.220.0040.00815.03
7.2.210.0030.01015.00
7.2.200.0030.01414.86
7.2.190.0090.00614.71
7.2.180.0060.00614.96
7.2.170.0000.01215.05
7.2.160.0110.00714.97
7.2.150.0030.00816.98
7.2.140.0030.00916.57
7.2.130.0040.01216.87
7.2.120.0060.00716.93
7.2.110.0020.01216.68
7.2.100.0050.00916.82
7.2.90.0060.01016.91
7.2.80.0050.01016.94
7.2.70.0100.00516.82
7.2.60.0040.00916.99
7.2.50.0040.01116.93
7.2.40.0100.00816.70
7.2.30.0120.00316.94
7.2.20.0070.00816.80
7.2.10.0020.01616.77
7.2.00.0050.01016.80
7.1.330.0000.01515.59
7.1.320.0050.00515.87
7.1.310.0090.00315.48
7.1.300.0070.00315.89
7.1.290.0060.00615.88
7.1.280.0000.00815.55
7.1.270.0000.00915.79
7.1.260.0060.00315.88
7.1.250.0050.00715.73
7.1.70.0040.00416.92
7.1.60.0030.00717.31
7.1.30.3070.06236.48
7.1.20.2270.08036.45
7.1.10.2730.05320.37
7.1.00.2970.06720.51
7.0.200.0060.00616.81
7.0.170.2330.07019.98
7.0.160.2430.06320.14
7.0.150.2270.07320.01
7.0.140.2970.07020.00
7.0.130.4000.07020.09
7.0.120.3200.07020.04
7.0.110.2770.07320.05
7.0.100.2800.05720.11
7.0.90.2630.06320.05
7.0.80.2900.05020.15
7.0.70.2270.06320.11
7.0.60.2430.06020.01
7.0.50.3000.06020.06
7.0.40.1930.07720.12
7.0.30.2200.05720.12
7.0.20.2970.06720.04
7.0.10.1870.05020.10
7.0.00.3330.07320.08

preferences:
45.56 ms | 1608 KiB | 5 Q