3v4l.org

run code in 300+ PHP versions simultaneously
<?php $base16Alphabet = 'abcdefghijklmnop'; $hash = "\x01\x23\x45\x67\x89\xAB\xCD\xEF\x01\x23\x45\x67\x89\xAB\xCD\xEF"; $result = ''; for ($i = 0; $i < 16; $i++) { $byte = ord($hash[$i]); $result .= $base16Alphabet[$byte & 0xF0 >> 4] . $base16Alphabet[$byte & 0x0F]; } echo $result;

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)
8.3.60.0150.00618.21
8.3.50.0110.00721.21
8.3.40.0110.00419.02
8.3.30.0110.00320.30
8.3.20.0080.00020.22
8.3.10.0080.00021.95
8.3.00.0000.00722.41
8.2.180.0090.00616.63
8.2.170.0150.00322.96
8.2.160.0090.00422.08
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0030.00520.69
8.2.110.0040.00422.08
8.2.100.0080.00417.91
8.2.90.0050.00319.23
8.2.80.0000.00819.21
8.2.70.0090.00017.63
8.2.60.0070.00018.16
8.2.50.0030.00518.07
8.2.40.0080.00018.34
8.2.30.0050.00319.33
8.2.20.0040.00417.64
8.2.10.0040.00417.66
8.2.00.0060.00317.69
8.1.280.0100.01025.92
8.1.270.0000.00723.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.00023.79
8.1.230.0050.00519.00
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0030.00517.41
8.1.180.0030.00618.94
8.1.170.0050.00318.60
8.1.160.0040.00420.71
8.1.150.0030.00618.54
8.1.140.0000.00817.46
8.1.130.0070.00017.84
8.1.120.0070.00017.37
8.1.110.0070.00317.41
8.1.100.0070.00017.43
8.1.90.0000.00717.36
8.1.80.0030.00517.38
8.1.70.0030.00317.35
8.1.60.0060.00317.48
8.1.50.0000.00817.45
8.1.40.0040.00417.55
8.1.30.0000.00817.61
8.1.20.0030.00617.67
8.1.10.0030.00617.51
8.1.00.0020.00517.54
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0030.00318.38
8.0.270.0030.00517.14
8.0.260.0030.00318.39
8.0.250.0050.00216.90
8.0.240.0060.00316.86
8.0.230.0000.00716.96
8.0.220.0030.00316.93
8.0.210.0000.00616.93
8.0.200.0020.00516.98
8.0.190.0060.00316.84
8.0.180.0040.00416.93
8.0.170.0060.00316.82
8.0.160.0020.00516.78
8.0.150.0000.00716.80
8.0.140.0040.00416.79
8.0.130.0000.00513.37
8.0.120.0080.00016.82
8.0.110.0030.00516.80
8.0.100.0000.00716.97
8.0.90.0020.00516.89
8.0.80.0030.01316.79
8.0.70.0000.00716.80
8.0.60.0000.00716.77
8.0.50.0040.00416.89
8.0.30.0140.00916.95
8.0.20.0080.00917.40
8.0.10.0030.00516.84
8.0.00.0080.01116.72
7.4.330.0020.00215.09
7.4.320.0000.00716.53
7.4.300.0030.00316.50
7.4.290.0000.00716.41
7.4.280.0000.00716.50
7.4.270.0000.00716.51
7.4.260.0030.00313.27
7.4.250.0000.00716.50
7.4.240.0040.00316.62
7.4.230.0070.00016.43
7.4.220.0070.01116.47
7.4.210.0070.01016.48
7.4.200.0050.00216.48
7.4.190.0070.00016.71
7.4.160.0100.01316.41
7.4.150.0110.00717.40
7.4.140.0120.00517.86
7.4.130.0090.00916.51
7.4.120.0120.00716.68
7.4.110.0030.01316.60
7.4.100.0090.00916.61
7.4.90.0140.00316.34
7.4.80.0120.00919.39
7.4.70.0000.01516.43
7.4.60.0030.01316.44
7.4.50.0040.00416.34
7.4.40.0030.01422.77
7.4.30.0100.00816.65
7.4.00.0000.01615.25
7.3.330.0000.00513.34
7.3.320.0020.00213.14
7.3.310.0000.00716.28
7.3.300.0060.00016.27
7.3.290.0060.00916.30
7.3.280.0050.01016.27
7.3.270.0140.00717.40
7.3.260.0190.00816.59
7.3.250.0100.01016.36
7.3.240.0070.01016.35
7.3.230.0100.00716.55
7.3.210.0080.00916.36
7.3.200.0090.00819.39
7.3.190.0070.01016.34
7.3.180.0030.01316.48
7.3.170.0040.01416.64
7.3.160.0070.01016.38
7.3.120.0120.00614.84
7.2.330.0140.00416.82
7.2.320.0030.01516.58
7.2.310.0110.00716.52
7.2.300.0030.01616.50
7.2.290.0030.01416.64
7.2.00.0060.00619.64
7.1.100.0040.00918.21
7.1.70.0040.00417.20
7.1.60.0050.00517.28
7.1.50.0100.01316.96
7.1.00.0100.04722.32
7.0.200.0040.00816.66
7.0.140.0100.06722.18
7.0.70.0000.09021.78
7.0.60.0070.07321.72
7.0.50.0100.07722.05
7.0.40.0130.07320.07
7.0.30.0000.08020.14
7.0.20.0100.08720.14
7.0.10.0030.08320.04
7.0.00.0030.08320.16
5.6.220.0070.08320.66
5.6.210.0030.08720.45
5.6.200.0100.08021.04
5.6.190.0000.07021.13
5.6.180.0030.08321.17
5.6.170.0070.06721.13
5.6.160.0070.07321.02
5.6.150.0100.05321.10
5.6.140.0130.07020.95
5.6.130.0030.08721.16
5.6.120.0170.07721.06
5.6.110.0100.08020.93
5.6.100.0100.08021.00
5.6.90.0000.06721.06
5.6.80.0070.08020.43
5.6.70.0070.06320.42
5.6.60.0030.05320.40
5.6.50.0000.04320.42
5.6.40.0000.07020.45
5.6.30.0070.05320.45
5.6.20.0070.07020.38
5.6.10.0100.04320.46
5.6.00.0100.07020.34
5.5.360.0030.08320.47
5.5.350.0030.08720.40
5.5.340.0000.07720.82
5.5.330.0070.04320.78
5.5.320.0070.06720.86
5.5.310.0030.07720.82
5.5.300.0070.04320.83
5.5.290.0030.08320.77
5.5.280.0070.08720.85
5.5.270.0030.08320.87
5.5.260.0130.07720.75
5.5.250.0070.05320.70
5.5.240.0070.07020.24
5.5.230.0030.07720.20
5.5.220.0130.07320.23
5.5.210.0030.05020.20
5.5.200.0130.07020.27
5.5.190.0030.08020.23
5.5.180.0070.07320.24
5.5.160.0030.08020.18
5.5.150.0030.06320.14
5.5.140.0070.07720.20
5.5.130.0070.04020.10
5.5.120.0030.04020.23
5.5.110.0030.03720.07
5.5.100.0030.03720.07
5.5.90.0000.04320.06
5.5.80.0070.03320.14
5.5.70.0000.04019.99
5.5.60.0030.03720.15
5.5.50.0070.04020.02
5.5.40.0030.04320.03
5.5.30.0030.07320.16
5.5.20.0070.03720.04
5.5.10.0030.07320.12
5.5.00.0030.04020.02
5.4.450.0100.07719.42
5.4.440.0030.07719.45
5.4.430.0100.07719.57
5.4.420.0000.04719.44
5.4.410.0070.07319.01
5.4.400.0070.06719.04
5.4.390.0070.05019.12
5.4.380.0000.08019.14
5.4.370.0000.04719.03
5.4.360.0070.07319.03
5.4.350.0070.04318.81
5.4.340.0100.07719.06
5.4.320.0030.03719.03
5.4.310.0000.05718.81
5.4.300.0100.05719.02
5.4.290.0030.03719.22
5.4.280.0030.04318.96
5.4.270.0070.06019.09
5.4.260.0030.03718.78
5.4.250.0030.03319.11
5.4.240.0000.04019.02
5.4.230.0030.03719.11
5.4.220.0030.03718.77
5.4.210.0070.04318.95
5.4.200.0100.03319.11
5.4.190.0070.04719.01
5.4.180.0030.03719.11
5.4.170.0000.04019.06
5.4.160.0100.03018.79
5.4.150.0030.07018.77
5.4.140.0070.06716.29
5.4.130.0000.03716.28
5.4.120.0000.03716.34
5.4.110.0030.05316.36
5.4.100.0000.03316.42
5.4.90.0000.03716.21
5.4.80.0000.04316.41
5.4.70.0030.03316.20
5.4.60.0000.07016.30
5.4.50.0000.04716.21
5.4.40.0030.02716.36
5.4.30.0000.05316.23
5.4.20.0070.05016.20
5.4.10.0000.05016.27
5.4.00.0030.03715.71
5.3.290.0000.04014.66
5.3.280.0070.03014.58
5.3.270.0000.05314.59
5.3.260.0000.04014.54
5.3.250.0000.05714.59
5.3.240.0030.06314.55
5.3.230.0070.03314.46
5.3.220.0000.04014.50
5.3.210.0030.03714.38
5.3.200.0070.04014.47
5.3.190.0070.03714.57
5.3.180.0030.03014.50
5.3.170.0030.03314.39
5.3.160.0100.03014.54
5.3.150.0000.06314.55
5.3.140.0070.06014.49
5.3.130.0000.04314.55
5.3.120.0000.03314.53
5.3.110.0030.03314.38
5.3.100.0030.03313.87
5.3.90.0000.03713.96
5.3.80.0030.03313.79
5.3.70.0030.04014.01
5.3.60.0030.06313.93
5.3.50.0070.03313.88
5.3.40.0030.04013.92
5.3.30.0070.03313.89
5.3.20.0000.04713.64
5.3.10.0070.03313.64
5.3.00.0000.03713.41
5.2.170.0000.03313.32
5.2.160.0000.03313.32
5.2.150.0000.03713.32
5.2.140.0000.03013.32
5.2.130.0000.03013.32
5.2.120.0000.03013.32
5.2.110.0000.03013.32
5.2.100.0030.02713.32
5.2.90.0000.03013.32
5.2.80.0030.02713.32
5.2.70.0030.03713.32
5.2.60.0000.03013.32
5.2.50.0070.02713.32
5.2.40.0000.05313.32
5.2.30.0130.04713.32
5.2.20.0100.03313.32
5.2.10.0000.05313.32
5.2.00.0070.06013.32
5.1.60.0000.03713.32
5.1.50.0030.03713.32
5.1.40.0100.04713.32
5.1.30.0030.06013.32
5.1.20.0030.05713.32
5.1.10.0030.05313.32
5.1.00.0070.05313.32
5.0.50.0000.04713.32
5.0.40.0000.03713.32
5.0.30.0070.05313.32
5.0.20.0000.04713.32
5.0.10.0100.03713.32
5.0.00.0000.06313.32
4.4.90.0030.01713.32
4.4.80.0000.02713.32
4.4.70.0000.03713.32
4.4.60.0000.03713.32
4.4.50.0000.03713.32
4.4.40.0030.05013.32
4.4.30.0000.03713.32
4.4.20.0000.03313.32
4.4.10.0000.03713.32
4.4.00.0000.04313.32
4.3.110.0030.03713.32
4.3.100.0000.03313.32
4.3.90.0030.02713.32
4.3.80.0070.05013.32
4.3.70.0070.03313.32
4.3.60.0000.03313.32
4.3.50.0030.02713.32
4.3.40.0030.05313.32
4.3.30.0000.03713.32
4.3.20.0000.03713.32
4.3.10.0070.03313.32
4.3.00.0000.03713.32

preferences:
51.74 ms | 401 KiB | 5 Q