3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "aƄ"; var_dump(bin2hex($string)); var_dump(md5($string)); var_dump(bin2hex(mb_convert_encoding($string, "UTF-8"))); var_dump(md5(mb_convert_encoding($string, "UTF-8")));

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)
8.3.60.0100.00716.50
8.3.50.0070.01221.98
8.3.40.0120.00318.45
8.3.30.0080.00618.81
8.3.20.0040.00420.34
8.3.10.0040.00423.69
8.3.00.0110.00017.50
8.2.180.0070.01418.16
8.2.170.0040.01122.96
8.2.160.0100.00320.47
8.2.150.0000.00924.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00719.76
8.2.110.0090.00022.11
8.2.100.0090.00617.66
8.2.90.0050.00318.95
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0030.00318.00
8.2.20.0030.00517.50
8.2.10.0000.00817.55
8.2.00.0000.00817.68
8.1.280.0140.00725.92
8.1.270.0060.00323.96
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.71
8.1.230.0070.00418.79
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0030.00618.58
8.1.160.0020.00522.01
8.1.150.0070.00018.64
8.1.140.0070.00017.45
8.1.130.0000.00717.84
8.1.120.0030.00317.42
8.1.110.0060.00317.44
8.1.100.0000.00817.43
8.1.90.0070.00017.38
8.1.80.0080.00017.50
8.1.70.0000.00617.41
8.1.60.0050.00517.54
8.1.50.0030.00517.54
8.1.40.0000.00817.51
8.1.30.0000.00817.64
8.1.20.0000.00817.53
8.1.10.0040.00417.52
8.1.00.0000.00917.41
8.0.300.0070.00018.77
8.0.290.0030.00517.15
8.0.280.0040.00418.36
8.0.270.0000.00717.27
8.0.260.0000.00716.78
8.0.250.0000.00616.93
8.0.240.0090.00016.91
8.0.230.0030.00716.93
8.0.220.0030.00516.79
8.0.210.0030.00316.86
8.0.200.0000.00616.84
8.0.190.0070.00016.94
8.0.180.0040.00416.88
8.0.170.0040.00416.91
8.0.160.0000.00716.89
8.0.150.0000.00716.86
8.0.140.0030.00316.83
8.0.130.0000.00613.34
8.0.120.0040.00416.86
8.0.110.0070.00016.84
8.0.100.0040.00416.89
8.0.90.0000.00716.78
8.0.80.0030.01716.87
8.0.70.0000.00816.94
8.0.60.0050.00216.76
8.0.50.0000.00816.76
8.0.30.0060.01216.95
8.0.20.0110.00917.40
8.0.10.0040.00417.02
8.0.00.0160.00516.61
7.4.330.0000.00515.00
7.4.320.0030.00316.52
7.4.300.0000.00616.61
7.4.290.0030.00316.59
7.4.280.0040.00416.37
7.4.270.0030.00316.61
7.4.260.0030.00316.38
7.4.250.0030.00316.46
7.4.240.0030.00416.52
7.4.230.0050.00316.59
7.4.220.0100.01616.43
7.4.210.0070.00916.63
7.4.200.0000.00716.39
7.4.190.0000.00716.43
7.4.160.0130.00916.45
7.4.150.0130.00417.40
7.4.140.0110.00617.86
7.4.130.0100.00916.43
7.4.120.0090.00816.51
7.4.110.0100.00716.60
7.4.100.0130.00816.47
7.4.90.0140.00416.27
7.4.80.0150.00319.39
7.4.70.0040.01216.36
7.4.60.0120.00416.43
7.4.50.0000.00516.33
7.4.40.0100.00722.77
7.4.30.0100.01016.46
7.4.00.0100.00314.63
7.3.330.0000.00512.97
7.3.320.0000.00713.05
7.3.310.0000.00716.16
7.3.300.0030.00316.25
7.3.290.0100.00616.26
7.3.280.0090.01016.19
7.3.270.0160.00017.40
7.3.260.0170.00016.45
7.3.250.0160.00416.37
7.3.240.0110.00616.33
7.3.230.0140.00316.39
7.3.210.0120.00616.18
7.3.200.0070.01019.39
7.3.190.0080.00816.45
7.3.180.0090.00716.18
7.3.170.0040.01116.27
7.3.160.0070.01016.38
7.3.120.0030.01014.96
7.3.10.0060.01016.35
7.3.00.0030.01216.57
7.2.330.0070.01416.36
7.2.320.0040.01216.23
7.2.310.0090.00916.23
7.2.300.0100.00716.48
7.2.290.0090.00916.44
7.2.130.0060.01016.50
7.2.120.0070.00716.68
7.2.110.0100.00316.75
7.2.100.0130.00016.28
7.2.90.0040.01416.42
7.2.80.0070.01416.54
7.2.70.0100.00316.38
7.2.60.0080.00716.58
7.2.50.0120.00516.63
7.2.40.0140.00616.28
7.2.30.0120.00316.78
7.2.20.0070.00316.37
7.2.10.0070.00716.42
7.2.00.0060.00518.22
7.1.250.0070.00715.64
7.1.200.0000.01215.54
7.1.100.0000.01117.99
7.1.70.0000.00716.91
7.1.60.0160.00619.31
7.1.50.0220.01434.82
7.1.00.0030.07722.31
7.0.200.0060.00616.56
7.0.140.0000.07722.11
7.0.60.0030.06320.05
7.0.50.0030.05317.80
7.0.40.0000.04720.03
7.0.30.0200.05020.16
7.0.20.0370.04320.33
7.0.10.0070.05719.99
7.0.00.0030.07320.19
5.6.280.0070.07021.09
5.6.210.0130.08320.49
5.6.200.0000.04318.12
5.6.190.0030.04320.45
5.6.180.0170.04320.46
5.6.170.0270.04020.38
5.6.160.0030.08020.44
5.6.150.0100.07018.20
5.6.140.0030.04318.11
5.6.130.0100.05018.21
5.6.120.0000.04321.12
5.6.110.0030.04721.16
5.6.100.0130.06720.97
5.6.90.0070.08721.08
5.6.80.0070.08020.34
5.5.350.3500.03720.34
5.5.340.0070.06317.95
5.5.330.0030.08020.43
5.5.320.0070.05320.13
5.5.310.0230.05320.50
5.5.300.0030.08318.02
5.5.290.0100.06717.98
5.5.280.0100.08020.73
5.5.270.0070.03720.71
5.5.260.0100.05020.83
5.5.250.0030.05320.61
5.5.240.0030.07720.26
5.4.450.0430.06719.60
5.4.440.0400.06019.26
5.4.430.0430.04319.10
5.4.420.0470.06719.39
5.4.410.0330.07019.32
5.4.400.0300.05319.05
5.4.390.0370.03719.20
5.4.380.0400.04318.80
5.4.370.0370.04019.11
5.4.360.0330.07319.05
5.4.350.0300.04719.07
5.4.340.0230.04019.07
5.4.320.0430.05719.10
5.4.310.0430.05719.24
5.4.300.0300.06719.23
5.4.290.0400.03018.93
5.4.280.0300.04319.12
5.4.270.0230.04019.13
5.4.260.0230.04019.24
5.4.250.0470.03319.09
5.4.240.0300.03318.88
5.4.230.0330.03318.77
5.4.220.0300.06718.78
5.4.210.0330.04719.15
5.4.200.0370.06719.04
5.4.190.0270.03719.06
5.4.180.0300.05019.12
5.4.170.0400.06719.06
5.4.160.0300.04319.21
5.4.150.0370.04718.89
5.4.140.0530.06016.50
5.4.130.0400.07316.28
5.4.120.0400.07016.23
5.4.110.0370.05716.45
5.4.100.0400.04016.33
5.4.90.0300.04716.43
5.4.80.0300.03716.45
5.4.70.0330.03316.32
5.4.60.0270.04016.36
5.4.50.0300.03716.46
5.4.40.0330.03016.36
5.4.30.0230.03716.34
5.4.20.0270.03716.18
5.4.10.0370.03716.41
5.4.00.0200.04015.61
5.3.290.0300.04314.61
5.3.280.0300.03314.44
5.3.270.0270.03714.70
5.3.260.0300.03314.65
5.3.250.0300.03314.62
5.3.240.0230.04014.55
5.3.230.0300.03314.45
5.3.220.0300.03014.47
5.3.210.0270.04014.58
5.3.200.0270.04014.52
5.3.190.0200.04314.58
5.3.180.0200.04014.55
5.3.170.0370.03314.58
5.3.160.0270.03714.40
5.3.150.0300.03314.61
5.3.140.0270.04014.41
5.3.130.0300.03314.39
5.3.120.0270.03714.45
5.3.110.0170.04314.50
5.3.100.0230.03713.89
5.3.90.0330.03013.87
5.3.80.0230.03713.92
5.3.70.0200.04013.96
5.3.60.0300.03313.95
5.3.50.0200.04013.78
5.3.40.0330.03313.93
5.3.30.0270.03313.85
5.3.20.0230.03713.56
5.3.10.0300.02713.60
5.3.00.0230.03713.65
5.2.170.0200.03012.11
5.2.160.0200.03012.11
5.2.150.0200.03012.11
5.2.140.0300.02012.11
5.2.130.0270.02712.11
5.2.120.0230.02712.11
5.2.110.0230.02712.11
5.2.100.0230.02712.11
5.2.90.0230.02712.11
5.2.80.0270.03012.11
5.2.70.0230.02712.11
5.2.60.0200.03012.11
5.2.50.0230.02712.11
5.2.40.0200.03012.11
5.2.30.0200.02712.11
5.2.20.0170.03012.11
5.2.10.0200.03012.11
5.2.00.0130.03312.11
5.1.60.0130.03012.11
5.1.50.0200.02312.11
5.1.40.0170.02312.11
5.1.30.0230.02012.11
5.1.20.0200.02312.11
5.1.10.0200.02712.11
5.1.00.0130.03712.11
5.0.50.0100.02012.11
5.0.40.0100.02012.11
5.0.30.0070.03012.11
5.0.20.0070.02012.11
5.0.10.0100.03012.11
5.0.00.0130.04012.11
4.4.90.0200.02312.11
4.4.80.0130.01712.11
4.4.70.0130.02012.11
4.4.60.0100.01712.11
4.4.50.0130.02712.11
4.4.40.0170.05012.11
4.4.30.0200.02712.11
4.4.20.0170.03012.11
4.4.10.0200.03012.11
4.4.00.0100.02712.11
4.3.110.0270.02712.11
4.3.100.0130.03312.11
4.3.90.0170.01712.11
4.3.80.0170.02712.11
4.3.70.0070.02012.11
4.3.60.0230.02012.11
4.3.50.0170.03312.11
4.3.40.0130.02312.11
4.3.30.0100.03312.11
4.3.20.0030.03012.11
4.3.10.0070.03712.11
4.3.00.0100.01312.11

preferences:
38.72 ms | 401 KiB | 5 Q