3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach ([ 'BASE64', 'UUENCODE', 'HTML-ENTITIES', 'Quoted-Printable', '7bit', '8bit', ] as $encoding) { echo "$encoding: ", mb_convert_encoding('&#x61;', $encoding, 'HTML-ENTITIES'), PHP_EOL; }

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)
8.3.60.0040.01118.39
8.3.50.0140.00522.77
8.3.40.0090.00918.70
8.3.30.0090.00618.59
8.3.20.0070.00321.65
8.3.10.0050.00321.60
8.3.00.0050.00319.79
8.2.180.0070.01425.92
8.2.170.0030.01218.96
8.2.160.0140.00020.47
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00422.29
8.2.120.0040.00426.35
8.2.110.0060.00322.27
8.2.100.0080.00418.03
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0080.00018.03
8.2.50.0000.00818.10
8.2.40.0070.00020.59
8.2.30.0000.00821.06
8.2.20.0070.00017.72
8.2.10.0040.00418.05
8.2.00.0040.00418.10
8.1.280.0080.00825.92
8.1.270.0040.00423.96
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.00019.21
8.1.230.0120.00017.82
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0000.01017.23
8.1.190.0030.00517.22
8.1.180.0030.00518.10
8.1.170.0000.00918.64
8.1.160.0050.00322.16
8.1.150.0000.00720.79
8.1.140.0000.00719.41
8.1.130.0030.00317.63
8.1.120.0030.00317.45
8.1.110.0080.00317.36
8.1.100.0000.00817.39
8.1.90.0090.00317.30
8.1.80.0040.00417.28
8.1.70.0000.00717.32
8.1.60.0000.00817.47
8.1.50.0000.00817.36
8.1.40.0050.00517.42
8.1.30.0000.00817.48
8.1.20.0000.00817.58
8.1.10.0050.00217.51
8.1.00.0040.00417.32
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.55
8.0.270.0040.00417.16
8.0.260.0080.00017.24
8.0.250.0000.00717.00
8.0.240.0000.00717.00
8.0.230.0060.00317.01
8.0.220.0070.00016.85
8.0.210.0060.00316.82
8.0.200.0000.00616.98
8.0.190.0040.00416.97
8.0.180.0050.00516.96
8.0.170.0000.00716.90
8.0.160.0060.00317.01
8.0.150.0040.00716.77
8.0.140.0080.00016.88
8.0.130.0030.00313.34
8.0.120.0030.00616.80
8.0.110.0040.00416.80
8.0.100.0070.00016.93
8.0.90.0040.00416.89
8.0.80.0080.00816.87
8.0.70.0050.00317.05
8.0.60.0000.00716.74
8.0.50.0070.00016.74
8.0.30.0150.00317.19
8.0.20.0130.00517.40
8.0.10.0000.00716.81
8.0.00.0070.01016.57
7.4.330.0000.00515.08
7.4.320.0030.00316.51
7.4.300.0000.00616.34
7.4.290.0000.00716.57
7.4.280.0080.00016.34
7.4.270.0000.00716.29
7.4.260.0030.00316.40
7.4.250.0040.00416.38
7.4.240.0080.00016.48
7.4.230.0000.00716.22
7.4.220.0110.00716.54
7.4.210.0030.01216.46
7.4.200.0070.00016.58
7.4.160.0090.00716.55
7.4.150.0060.01517.40
7.4.140.0140.00617.86
7.4.130.0160.00316.52
7.4.120.0120.00516.39
7.4.110.0130.00316.53
7.4.100.0070.01016.61
7.4.90.0140.00316.55
7.4.80.0080.01419.39
7.4.70.0090.00916.37
7.4.60.0100.00816.50
7.4.50.0070.00716.39
7.4.40.0090.00916.52
7.4.30.0130.01016.40
7.4.00.0030.01315.03
7.3.330.0050.00213.23
7.3.320.0050.00013.13
7.3.310.0070.00016.45
7.3.300.0030.00316.41
7.3.290.0090.00616.34
7.3.280.0090.01116.37
7.3.270.0160.00617.40
7.3.260.0110.00716.37
7.3.240.0050.01416.52
7.3.230.0180.00316.54
7.3.210.0000.01816.54
7.3.200.0060.00916.52
7.3.190.0080.00816.57
7.3.180.0100.01316.49
7.3.170.0090.00916.44
7.3.160.0100.00616.60
7.3.120.0100.01014.91
7.3.110.0060.01314.95
7.3.100.0080.00414.86
7.3.90.0110.00315.00
7.3.80.0060.00615.21
7.3.70.0070.00714.53
7.3.60.0030.01014.73
7.3.50.0070.00415.01
7.3.40.0040.01114.80
7.3.30.0030.00914.84
7.3.20.0040.00416.77
7.3.10.0050.00716.46
7.3.00.0070.00816.59
7.2.330.0120.00616.65
7.2.320.0100.00716.68
7.2.310.0030.01316.34
7.2.300.0120.00616.66
7.2.290.0100.00616.45
7.2.250.0030.00914.84
7.2.240.0030.01714.83
7.2.230.0000.01414.79
7.2.220.0030.00915.21
7.2.210.0090.00615.03
7.2.200.0060.00615.07
7.2.190.0040.00414.96
7.2.180.0030.01014.68
7.2.170.0000.00914.69
7.2.130.0110.00716.41
7.2.120.0070.00716.55
7.2.110.0040.01216.41
7.2.100.0190.00916.53
7.2.90.0140.00716.44
7.2.80.0070.00616.66
7.2.70.0290.01016.56
7.2.60.0100.00616.70
7.2.50.0230.00716.71
7.2.40.0170.00516.51
7.2.30.0210.01216.31
7.2.20.0190.01116.57
7.2.10.0130.01016.36
7.2.00.0070.00716.61
7.1.330.0090.00615.87
7.1.320.0080.00315.96
7.1.310.0030.01015.79
7.1.300.0030.00715.91
7.1.290.0100.00315.70
7.1.280.0070.00316.04
7.1.270.0060.00615.68
7.1.260.0070.00315.78
7.1.250.0000.01515.63
7.1.200.0060.00915.90
7.1.70.0030.00716.97
7.1.60.0000.01419.75
7.1.00.0100.07022.44
7.0.200.0090.00614.88
7.0.90.0130.06719.98
7.0.80.0030.06319.99
7.0.70.0200.05019.99
7.0.60.0130.07319.91
7.0.50.0130.05720.29
7.0.40.0200.05020.43
7.0.30.0100.06020.38
7.0.20.0170.07020.30
7.0.10.0170.07720.44
7.0.00.0070.06720.23
5.6.240.0300.04720.73
5.6.230.0070.06720.76
5.6.220.0200.04720.74
5.6.210.0170.07020.66
5.6.200.0130.05721.07
5.6.190.0030.06721.08
5.6.180.0030.07721.02
5.6.170.0230.06721.13
5.6.160.0200.05021.08
5.6.150.0130.06021.10
5.6.140.0170.05321.11
5.6.130.0200.06021.09
5.6.120.0200.05021.06
5.6.110.0170.05321.07
5.6.100.0230.04721.11
5.6.90.0100.06721.12
5.6.80.0170.05020.45
5.6.70.0100.05720.50
5.6.60.0070.05720.49
5.6.50.0130.05720.50
5.6.40.0100.06720.46
5.6.30.0100.05720.46
5.6.20.0130.05320.52
5.6.10.0130.05020.48
5.6.00.0130.05020.54

preferences:
65.23 ms | 401 KiB | 5 Q