3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = mb_convert_encoding('\\', 'UTF-8', 'SJIS-win'); var_dump(bin2hex($s)); // string(2) "5c" $s = iconv('Shift_JIS', 'utf-8', '\\'); var_dump(bin2hex($s)); // string(4) "c2a5" $s = iconv('windows-31j', 'utf-8', '\\'); var_dump(bin2hex($s)); // string(2) "5c" $s = iconv('cp932', 'utf-8', '\\'); var_dump(bin2hex($s)); // string(2) "5c" $s = mb_convert_encoding('~', 'UTF-8', 'SJIS-win'); var_dump(bin2hex($s)); // string(2) "7e" $s = iconv('Shift_JIS', 'utf-8', '~'); var_dump(bin2hex($s)); // string(6) "e280be" $s = iconv('windows-31j', 'utf-8', '~'); var_dump(bin2hex($s)); // string(2) "7e" $s = iconv('cp932', 'utf-8', '~'); var_dump(bin2hex($s)); // string(2) "7e"

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)
8.3.60.0070.01418.18
8.3.50.0120.00821.82
8.3.40.0110.00418.81
8.3.30.0070.00719.00
8.3.20.0040.00420.22
8.3.10.0040.00423.66
8.3.00.0060.00320.89
8.2.180.0110.00718.54
8.2.170.0100.00722.96
8.2.160.0150.00620.56
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.01026.16
8.2.120.0050.00519.38
8.2.110.0050.00522.51
8.2.100.0060.00618.28
8.2.90.0000.00819.40
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0030.00717.93
8.2.50.0070.00318.07
8.2.40.0060.00319.97
8.2.30.0060.00318.36
8.2.20.0080.00017.76
8.2.10.0000.00718.13
8.2.00.0000.00819.47
8.1.280.0070.00725.92
8.1.270.0040.00422.34
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0040.00423.94
8.1.230.0070.00419.30
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0110.00017.48
8.1.190.0000.00817.47
8.1.180.0000.00918.10
8.1.170.0000.00918.70
8.1.160.0000.00722.16
8.1.150.0030.00518.85
8.1.140.0040.00417.64
8.1.130.0000.00717.93
8.1.120.0000.00717.50
8.1.110.0000.00717.58
8.1.100.0030.00517.73
8.1.90.0040.00417.58
8.1.80.0040.00417.59
8.1.70.0000.00717.41
8.1.60.0040.00417.66
8.1.50.0030.00517.59
8.1.40.0070.00017.54
8.1.30.0030.00617.83
8.1.20.0070.00017.75
8.1.10.0040.00417.66
8.1.00.0030.00517.65
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0030.00318.52
8.0.270.0040.00317.27
8.0.260.0030.00317.31
8.0.250.0070.00017.13
8.0.240.0060.00317.14
8.0.230.0030.00317.00
8.0.220.0030.00317.04
8.0.210.0000.00616.98
8.0.200.0030.00317.04
8.0.190.0040.00417.10
8.0.180.0040.00416.95
8.0.170.0040.00417.02
8.0.160.0000.00717.07
8.0.150.0000.00716.98
8.0.140.0050.00216.92
8.0.130.0000.00613.45
8.0.120.0050.00517.22
8.0.110.0030.00617.16
8.0.100.0030.00617.32
8.0.90.0090.00017.18
8.0.80.0040.02217.19
8.0.70.0060.00317.19
8.0.60.0000.00917.28
8.0.50.0000.00917.08
8.0.30.0080.01717.24
8.0.20.0160.01017.40
8.0.10.0050.00517.23
8.0.00.0120.01617.01
7.4.330.0050.00015.09
7.4.320.0000.00616.58
7.4.300.0030.00316.63
7.4.290.0050.00216.55
7.4.280.0040.00416.66
7.4.270.0040.00416.65
7.4.260.0030.00316.54
7.4.250.0030.00616.86
7.4.240.0060.00317.00
7.4.230.0000.00916.79
7.4.220.0100.02016.82
7.4.210.0080.00816.96
7.4.200.0040.00416.64
7.4.160.0120.00816.85
7.4.150.0100.01017.40
7.4.140.0120.01317.86
7.4.130.0080.01516.82
7.4.120.0110.01116.99
7.4.110.0060.02016.91
7.4.100.0160.00916.86
7.4.90.0030.01716.93
7.4.80.0060.01519.39
7.4.70.0060.01416.72
7.4.60.0080.01116.73
7.4.50.0090.00416.73
7.4.40.0120.01316.76
7.4.30.0080.01316.66
7.4.20.0120.00916.70
7.4.10.0140.01116.70
7.4.00.0100.01016.05
7.3.330.0000.00513.25
7.3.320.0050.00013.33
7.3.310.0040.00416.64
7.3.300.0060.00316.50
7.3.290.0060.01216.56
7.3.280.0050.01416.64
7.3.270.0120.00917.40
7.3.260.0090.01316.88
7.3.250.0090.00916.62
7.3.240.0060.01916.57
7.3.230.0090.01216.61
7.3.210.0130.00716.88
7.3.200.0060.01316.83
7.3.190.0090.01516.62
7.3.180.0090.01116.76
7.3.170.0110.01116.72
7.3.160.0100.00916.69
7.3.150.0120.01216.60
7.3.140.0120.00916.50
7.3.130.0170.00316.72
7.3.120.0100.00915.82
7.3.110.0170.00816.76
7.3.100.0110.01816.73
7.3.90.0180.00716.59
7.3.80.0120.01616.58
7.3.70.0210.00816.37
7.3.60.0040.02616.61
7.3.50.0150.01516.46
7.3.40.0160.01316.55
7.3.30.0060.02316.46
7.3.20.0160.00816.71
7.3.10.0090.01116.45
7.3.00.0110.01116.82
7.2.330.0080.01216.65
7.2.320.0090.01716.97
7.2.310.0080.01116.84
7.2.300.0100.01116.94
7.2.290.0130.00716.87
7.2.280.0100.01616.89
7.2.270.0110.01116.88
7.2.260.0150.00716.64
7.2.250.0150.00917.04
7.2.240.0000.02116.90
7.2.230.0140.01016.62
7.2.220.0200.00616.76
7.2.210.0140.01716.69
7.2.200.0130.01316.74
7.2.190.0120.01716.84
7.2.180.0120.02016.66
7.2.170.0100.01316.76
7.2.160.0130.01616.86
7.2.150.0180.01316.74
7.2.140.0130.01316.87
7.2.130.0070.01916.71
7.2.120.0110.01216.83
7.2.110.0060.01316.94
7.2.100.0080.01217.10
7.2.90.0100.01316.94
7.2.80.0130.00916.89
7.2.70.0190.01016.90
7.2.60.0100.00916.99
7.2.50.0150.01216.79
7.2.40.0060.02216.92
7.2.30.0060.02216.87
7.2.20.0150.00616.78
7.2.10.0090.01316.90
7.2.00.0060.01618.25
7.1.330.0210.01015.82
7.1.320.0200.01715.93
7.1.310.0220.01715.98
7.1.300.0280.01115.99
7.1.290.0130.02215.95
7.1.280.0210.02116.04
7.1.270.0210.01616.18
7.1.260.0300.00815.82
7.1.250.0350.00516.05
7.1.240.0210.01115.79
7.1.230.0310.00915.95
7.1.220.0230.00715.90
7.1.210.0230.01415.78
7.1.200.0180.01015.95
7.1.190.0200.01015.78
7.1.180.0200.01616.04
7.1.170.0970.00715.83
7.1.160.0250.00715.81
7.1.150.0180.01815.85
7.1.140.0260.00315.84
7.1.130.0210.00915.97
7.1.120.0240.00616.00
7.1.110.0440.01915.83
7.1.100.0890.02715.93
7.1.90.0410.01416.01
7.1.80.0220.01116.07
7.1.70.0130.00816.68
7.1.60.0130.00916.88
7.1.50.0100.01516.45
7.1.40.0570.01215.78
7.1.30.0290.00315.79
7.1.20.0220.00716.03
7.1.10.0180.01115.83
7.1.00.0170.05019.22
7.0.330.0700.01615.52
7.0.320.0190.01215.57
7.0.310.0220.01115.59
7.0.300.0270.00615.68
7.0.290.0340.01515.82
7.0.280.0260.00315.69
7.0.270.0200.00715.73
7.0.260.0130.01615.69
7.0.250.0150.01515.85
7.0.240.0410.03815.96
7.0.230.0420.02615.66
7.0.220.0350.01215.59
7.0.210.0390.02315.53
7.0.200.0110.00716.30
7.0.190.1120.01015.72
7.0.180.0240.01415.64
7.0.170.0210.01115.56
7.0.160.0260.00215.55
7.0.150.0160.01215.72
7.0.140.0120.03718.91
7.0.130.0280.00415.72
7.0.120.0200.00815.62
7.0.110.0130.01515.52
7.0.100.0200.00715.70
7.0.90.0110.01615.93
7.0.80.0190.01615.70
7.0.70.0670.01415.50
7.0.60.0110.03417.78
7.0.50.0100.05316.86
7.0.40.0130.02918.10
7.0.30.0280.02618.09
7.0.20.0250.03517.98
7.0.10.0180.04917.96
7.0.00.0200.02718.00
5.6.400.0220.01516.25
5.6.390.0530.01216.05
5.6.380.0210.01416.27
5.6.370.0250.00616.34
5.6.360.0230.01016.39
5.6.350.0130.01916.51
5.6.340.0180.01516.32
5.6.330.0210.00816.13
5.6.320.0360.01816.24
5.6.310.0230.01216.52
5.6.300.0200.01216.09
5.6.290.0120.02416.17
5.6.280.0080.03318.60
5.6.270.0160.01316.17
5.6.260.0200.01416.25
5.6.250.0190.00916.16
5.6.240.0210.00916.33
5.6.230.0180.01116.42
5.6.220.0190.01516.31
5.6.210.0140.05018.41
5.6.200.0120.05217.29
5.6.190.0090.03518.56
5.6.180.0200.04118.43
5.6.170.0310.04618.52
5.6.160.0110.04918.51
5.6.150.0120.03217.44
5.6.140.0170.04917.29
5.6.130.0100.03117.34
5.6.120.0120.02718.72
5.6.110.0220.04718.69
5.6.100.0160.04618.73
5.6.90.0170.05018.66
5.6.80.0160.04018.38
5.6.70.0240.01016.08
5.6.60.0210.00916.18
5.6.50.0200.01616.25
5.6.40.0090.01916.03
5.6.30.0150.01616.27
5.6.20.0190.01116.26
5.6.10.0130.02316.07
5.6.00.0220.01616.05
5.5.380.0160.01616.17
5.5.370.0190.01116.12
5.5.360.0180.01216.30
5.5.350.0150.04618.22
5.5.340.0080.03317.19
5.5.330.0250.03818.31
5.5.320.0260.04018.35
5.5.310.0150.03018.30
5.5.300.0150.04317.18
5.5.290.0110.02617.23
5.5.280.0180.04618.56
5.5.270.0220.04818.51
5.5.260.0130.04218.71
5.5.250.0170.03318.59
5.5.240.1820.02418.28
5.5.230.0210.01816.24
5.5.220.0400.01915.88
5.5.210.0080.02316.01
5.5.200.0210.01416.15
5.5.190.0280.00416.04
5.5.180.0180.01216.13
5.5.170.0200.01216.17
5.5.160.0160.02416.13
5.5.150.0190.01116.09
5.5.140.0130.02016.23
5.5.130.0150.01916.12
5.5.120.0270.01015.93
5.5.110.0210.01315.99
5.5.100.0110.02015.85
5.5.90.0300.00716.16
5.5.80.0270.01516.15
5.5.70.0300.00816.20
5.5.60.0200.01216.11
5.5.50.0200.01215.99
5.5.40.0170.01415.75
5.5.30.0220.00916.11
5.5.20.0260.01516.02
5.5.10.0290.00716.21
5.5.00.0250.00915.87
5.4.450.0200.02716.20
5.4.440.0330.02316.12
5.4.430.0260.02816.05
5.4.420.0280.03216.17
5.4.410.0310.02416.19
5.4.400.0160.02516.08
5.4.390.0130.02527.36
5.4.380.0130.03315.84
5.4.370.0170.03215.75
5.4.360.0090.03915.82
5.4.350.0180.03115.75
5.4.340.0180.03315.80
5.4.330.0150.01012.63
5.4.320.0130.02112.76
5.4.310.0120.02812.64
5.4.300.0130.02612.61
5.4.290.0100.03012.62
5.4.280.0110.02812.66
5.4.270.0130.02612.58
5.4.260.0110.03012.56
5.4.250.0110.03012.52
5.4.240.0110.03312.61
5.4.230.0130.02712.55
5.4.220.0200.02212.61
5.4.210.0130.03112.72
5.4.200.0140.02312.54
5.4.190.0130.03112.52
5.4.180.0130.03612.56
5.4.170.0130.02912.65
5.4.160.0120.02712.60
5.4.150.0130.02712.47
5.4.140.0140.03012.35
5.4.130.0120.02712.34
5.4.120.0110.02912.39
5.4.110.0090.03212.35
5.4.100.0140.02412.43
5.4.90.0150.02612.43
5.4.80.0110.02912.33
5.4.70.0130.02912.38
5.4.60.0080.02712.40
5.4.50.0110.02012.29
5.4.40.0080.02312.45
5.4.30.0150.02312.34
5.4.20.0130.02412.41
5.4.10.0120.02212.36
5.4.00.0090.02312.08
5.3.290.0110.02813.09
5.3.280.0130.03613.04
5.3.270.0160.03613.16
5.3.260.0120.04613.08
5.3.250.0110.03513.15
5.3.240.0130.03312.98
5.3.230.0130.03013.02
5.3.220.0110.03313.10
5.3.210.0120.03313.07
5.3.200.0120.02613.01
5.3.190.0130.03013.11
5.3.180.0120.02613.05
5.3.170.0090.03213.18
5.3.160.0100.02913.04
5.3.150.0070.02713.08
5.3.140.0090.02513.10
5.3.130.0120.02513.00
5.3.120.0120.02813.00
5.3.110.0150.02113.02
5.3.100.0110.02712.80
5.3.90.0140.02612.74
5.3.80.0120.02212.70
5.3.70.0090.02512.63
5.3.60.0120.02312.79
5.3.50.0110.02912.68
5.3.40.0110.02612.65
5.3.30.0080.02712.80
5.3.20.0110.02412.61
5.3.10.0110.02412.51
5.3.00.0110.02912.43
5.2.170.0060.02311.06
5.2.160.0060.02410.95
5.2.150.0090.02110.95
5.2.140.0080.02410.96
5.2.130.0090.02410.89
5.2.120.0090.02110.96
5.2.110.0080.02110.98
5.2.100.0090.02011.02
5.2.90.0100.02510.93
5.2.80.0110.02710.93
5.2.70.0120.02510.91
5.2.60.0080.02810.83
5.2.50.0050.03210.79
5.2.40.0080.02710.80
5.2.30.0120.02610.82
5.2.20.0110.02910.75
5.2.10.0130.02810.74
5.2.00.0130.02910.66
5.1.60.0190.03310.10
5.1.50.0100.03110.09
5.1.40.0090.02210.09
5.1.30.0070.01810.26
5.1.20.0110.02510.28
5.1.10.0070.02910.14
5.1.00.0090.02210.03
5.0.50.0070.0199.38
5.0.40.0090.0169.30
5.0.30.0060.0269.21
5.0.20.0050.0209.20
5.0.10.0070.0199.19
5.0.00.0100.0239.18
4.4.90.0050.0138.34
4.4.80.0080.0118.33
4.4.70.0060.0128.33
4.4.60.0060.0098.33
4.4.50.0050.0108.34
4.4.40.0050.0148.30
4.4.30.0060.0108.33
4.4.20.0060.0098.38
4.4.10.0040.0108.38
4.4.00.0020.0168.33
4.3.110.0060.0118.29
4.3.100.0040.0128.28
4.3.90.0050.0118.27
4.3.80.0060.0158.24
4.3.70.0030.0128.27
4.3.60.0040.0108.26
4.3.50.0040.0108.26
4.3.40.0030.0198.22
4.3.30.0030.0107.60
4.3.20.0080.0117.59
4.3.10.0040.0127.57
4.3.00.0050.00825.73

preferences:
55.16 ms | 401 KiB | 5 Q