3v4l.org

run code in 300+ PHP versions simultaneously
<?php $byte1 = "\xf0"; $byte2 = $byte1 >> 1; var_dump($byte1, bin2hex($byte1), $byte2, bin2hex($byte2));

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)
8.3.70.0040.01518.55
8.3.60.0100.00318.43
8.3.50.0130.00321.14
8.3.40.0040.01118.70
8.3.30.0130.00020.31
8.3.20.0040.00420.21
8.3.10.0050.00322.11
8.3.00.0000.00722.45
8.2.190.0130.00618.54
8.2.180.0110.00416.75
8.2.170.0150.00622.96
8.2.160.0140.00020.53
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.01419.77
8.2.110.0030.00620.38
8.2.100.0070.00417.72
8.2.90.0000.00719.17
8.2.80.0000.01117.97
8.2.70.0040.00417.63
8.2.60.0000.00817.92
8.2.50.0030.00618.07
8.2.40.0040.00418.09
8.2.30.0030.00518.03
8.2.20.0040.00417.71
8.2.10.0000.00717.80
8.2.00.0100.00017.79
8.1.280.0110.01125.92
8.1.270.0060.00320.27
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.91
8.1.230.0100.00022.72
8.1.220.0080.00017.80
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.63
8.1.180.0000.00918.66
8.1.170.0040.00418.66
8.1.160.0000.00722.12
8.1.150.0040.00418.44
8.1.140.0040.00417.36
8.1.130.0000.00717.72
8.1.120.0040.00417.38
8.1.110.0040.00417.43
8.1.100.0040.00417.41
8.1.90.0040.00317.36
8.1.80.0000.00717.40
8.1.70.0030.00317.27
8.1.60.0030.00517.57
8.1.50.0000.00717.52
8.1.40.0070.00017.48
8.1.30.0050.00217.51
8.1.20.0030.00517.50
8.1.10.0000.00817.56
8.1.00.0000.00717.39
8.0.300.0030.00518.77
8.0.290.0040.00417.18
8.0.280.0000.00718.28
8.0.270.0000.00717.28
8.0.260.0000.00716.87
8.0.250.0030.00316.88
8.0.240.0030.00616.99
8.0.230.0040.00417.02
8.0.220.0070.00016.91
8.0.210.0000.00716.84
8.0.200.0000.00617.02
8.0.190.0000.00717.04
8.0.180.0070.00016.91
8.0.170.0040.00416.79
8.0.160.0050.00316.82
8.0.150.0000.00716.84
8.0.140.0070.00316.79
8.0.130.0030.00313.35
8.0.120.0040.00416.75
8.0.110.0070.00016.79
8.0.100.0040.00416.79
8.0.90.0070.00016.84
8.0.80.0100.01116.82
8.0.70.0040.00416.81
8.0.60.0040.00416.86
8.0.50.0000.00716.74
8.0.30.0110.01017.10
8.0.20.0130.00517.40
8.0.10.0000.00716.95
8.0.00.0100.00816.64
7.4.330.0050.00015.00
7.4.320.0000.00616.42
7.4.300.0060.00016.54
7.4.290.0030.00316.38
7.4.280.0070.00016.43
7.4.270.0040.00416.33
7.4.260.0070.00016.27
7.4.250.0040.00416.31
7.4.240.0040.00316.48
7.4.230.0040.00416.36
7.4.220.0030.01616.45
7.4.210.0060.00916.52
7.4.200.0030.00316.61
7.4.190.0000.00916.53
7.4.160.0080.00816.53
7.4.150.0060.01217.40
7.4.140.0130.00817.86
7.4.130.0070.01016.48
7.4.120.0070.01016.47
7.4.110.0090.00916.25
7.4.100.0170.00616.41
7.4.90.0080.01116.32
7.4.80.0100.00619.39
7.4.70.0100.01316.41
7.4.60.0110.00616.54
7.4.50.0040.00416.34
7.4.40.0070.01022.77
7.4.30.0070.01816.46
7.4.00.0060.00614.63
7.3.330.0050.00013.14
7.3.320.0060.00013.16
7.3.310.0030.00316.18
7.3.300.0030.00316.23
7.3.290.0070.00716.28
7.3.280.0070.01016.23
7.3.270.0100.00717.40
7.3.260.0130.01016.25
7.3.250.0050.01216.35
7.3.240.0100.01016.27
7.3.230.0150.00616.39
7.3.210.0190.00316.39
7.3.200.0100.01019.39
7.3.190.0130.00916.26
7.3.180.0060.00916.37
7.3.170.0100.00616.39
7.3.160.0170.00316.29
7.3.120.0090.00914.83
7.2.330.0110.00716.57
7.2.320.0060.01316.43
7.2.310.0100.00716.62
7.2.300.0100.00616.43
7.2.290.0140.00316.56
7.2.60.0070.00416.91
7.1.200.0040.00815.84
7.1.70.0040.00917.13
7.1.60.0030.02019.40
7.1.50.0070.01516.93
7.1.00.0000.04022.32
7.0.200.0040.00416.70
7.0.140.0030.07022.18
7.0.60.0130.05319.78
7.0.50.0030.07717.88
7.0.40.0130.05319.90
7.0.30.0230.06320.00
7.0.20.0230.03720.00
7.0.10.0170.06020.12
7.0.00.0000.07720.12
5.6.280.0030.06720.81
5.6.210.0070.08720.54
5.6.200.0070.06018.09
5.6.190.0130.08020.41
5.6.180.3800.03720.75
5.6.170.0330.07320.46
5.6.160.0030.09020.50
5.6.150.0030.05718.12
5.6.140.0000.08018.15
5.6.130.0000.04318.11
5.6.120.0070.05321.11
5.6.110.0030.04321.04
5.6.100.0170.07321.07
5.6.90.0070.08320.87
5.6.80.0030.04720.40
5.6.70.0200.07720.49
5.5.350.0230.07020.34
5.5.340.0170.07018.02
5.5.330.0070.04720.06
5.5.320.0230.08720.31
5.5.310.0170.05720.21
5.5.300.0130.07317.91
5.5.290.0030.08017.91
5.5.280.0070.03720.95
5.5.270.0070.08720.64
5.5.260.0030.08720.96
5.5.250.0070.08320.64
5.5.240.0100.07320.34
5.4.450.0830.05319.55
5.4.440.0830.05319.46
5.4.430.0130.05319.23
5.4.420.0770.05719.48
5.4.410.0870.06719.32
5.4.400.0200.06318.51
5.4.390.1400.06018.56
5.4.380.0230.06018.68
5.4.370.0070.05718.72
5.4.360.0200.05018.63
5.4.350.0050.03711.97
5.4.340.0040.04111.96
5.4.320.0050.03812.45
5.4.310.0050.03912.45
5.4.300.0060.05112.45
5.4.290.0040.03912.45
5.4.280.0080.04312.35
5.4.270.0060.04712.34
5.4.260.0070.03712.34
5.4.250.0030.06018.82
5.4.240.0100.05318.82
5.4.230.0170.04718.79
5.4.220.0100.05318.69
5.4.210.0230.04018.59
5.4.200.0100.04718.82
5.4.190.0070.05018.78
5.4.180.0130.04718.83
5.4.170.0130.05018.79
5.4.160.0200.04018.58
5.4.150.0200.04318.77
5.4.140.0130.04316.20
5.4.130.0070.05016.21
5.4.120.0100.05016.24
5.4.110.0070.05316.25
5.4.100.0200.05716.10
5.4.90.0100.04716.34
5.4.80.0070.04716.09
5.4.70.0030.06316.27
5.4.60.0200.04016.26
5.4.50.0030.05316.44
5.4.40.0030.07016.46
5.4.30.0070.04716.36
5.4.20.0100.04716.32
5.4.10.0000.05716.38
5.4.00.0200.05315.93
5.3.290.0080.04212.80
5.3.280.0100.05014.59
5.3.270.0100.05014.70
5.3.260.0070.05014.59
5.3.250.0100.05014.60
5.3.240.0100.05314.75
5.3.230.0100.04714.61
5.3.220.0070.05714.57
5.3.210.0030.05714.33
5.3.200.0130.04714.40
5.3.190.0070.05714.33
5.3.180.0200.03714.57
5.3.170.0070.07314.60
5.3.160.0030.06014.57
5.3.150.0170.04314.44
5.3.140.0100.04714.39
5.3.130.0030.05314.63
5.3.120.0130.04314.56
5.3.110.0030.08014.57
5.3.100.0070.06013.95
5.3.90.0070.05014.02
5.3.80.0170.04714.03
5.3.70.0100.04713.79
5.3.60.0100.05014.02
5.3.50.0130.04713.96
5.3.40.0070.04713.71
5.3.30.0070.05013.84
5.3.20.0070.05013.63
5.3.10.0170.04013.69
5.3.00.0070.07013.73
5.2.170.0070.04011.23
5.2.160.0030.04011.25
5.2.150.0030.04311.05
5.2.140.0130.05711.05
5.2.130.0170.04311.12
5.2.120.0130.03711.02
5.2.110.0130.05311.01
5.2.100.0100.05011.10
5.2.90.0000.04310.93
5.2.80.0130.04311.09
5.2.70.0130.04310.97
5.2.60.0030.06310.93
5.2.50.0070.03711.17
5.2.40.0030.04310.90
5.2.30.0130.04710.80
5.2.20.0070.04310.95
5.2.10.0070.04310.80
5.2.00.0100.03710.80
5.1.60.0070.03010.08
5.1.50.0070.03310.03
5.1.40.0100.0279.93
5.1.30.0070.03710.40
5.1.20.0030.03710.50
5.1.10.0000.04010.06
5.1.00.0070.03310.09
5.0.50.0070.0278.69
5.0.40.0030.0278.47
5.0.30.0030.0438.37
5.0.20.0130.0208.16
5.0.10.0030.0278.36
5.0.00.0030.0408.07
4.4.90.0070.0207.40
4.4.80.0000.0237.40
4.4.70.0070.0237.40
4.4.60.0100.0137.40
4.4.50.0030.0207.40
4.4.40.0000.0507.40
4.4.30.0100.0207.40
4.4.20.0000.0277.40
4.4.10.0000.0237.40
4.4.00.0030.0337.40
4.3.110.0000.0277.40
4.3.100.0130.0107.40
4.3.90.0000.0237.40
4.3.80.0070.0337.40
4.3.70.0030.0237.40
4.3.60.0030.0207.40
4.3.50.0030.0237.40
4.3.40.0070.0407.40
4.3.30.0000.0237.40
4.3.20.0070.0177.40
4.3.10.0030.0307.40
4.3.00.0130.0236.76

preferences:
41.21 ms | 401 KiB | 5 Q