3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_convert_encoding("あいうえお", "Base64", "UTF-8"); mb_convert_encoding("あいうえお", "QPrint", "UTF-8"); mb_convert_encoding("あいうえお", "HTML", "UTF-8"); mb_convert_encoding("あいうえお", "Uuencode", "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)
8.4.20.0130.00619.90
8.4.10.0080.00823.84
8.3.140.0060.00916.52
8.3.130.0030.00718.43
8.3.120.0030.00620.65
8.3.110.0080.00820.94
8.3.100.0000.00916.64
8.3.90.0090.00026.77
8.3.80.0090.00316.75
8.3.70.0080.00816.58
8.3.60.0090.00916.38
8.3.50.0000.01420.06
8.3.40.0090.00620.02
8.3.30.0040.01118.35
8.3.20.0090.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.260.0070.01016.66
8.2.250.0080.00018.42
8.2.240.0060.00317.25
8.2.230.0050.00522.58
8.2.220.0030.00624.06
8.2.210.0080.00026.77
8.2.200.0040.00818.66
8.2.190.0080.01217.00
8.2.180.0070.01425.92
8.2.170.0110.00719.00
8.2.160.0000.01322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00021.12
8.2.110.0060.00320.57
8.2.100.0060.00617.91
8.2.90.0040.00419.19
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0000.00818.16
8.2.50.0080.00018.10
8.2.40.0030.00620.78
8.2.30.0040.00418.00
8.2.20.0050.00220.80
8.2.10.0040.00418.19
8.2.00.0000.00719.35
8.1.310.0040.00816.74
8.1.300.0030.00618.25
8.1.290.0050.00530.84
8.1.280.0040.01125.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.89
8.1.230.0090.00324.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01017.48
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0000.00818.85
8.1.160.0000.00722.13
8.1.150.0050.00318.55
8.1.140.0070.00017.38
8.1.130.0120.00417.32
8.1.120.0080.00817.47
8.1.110.0080.00817.49
8.1.100.0110.00717.44
8.1.90.0130.00417.52
8.1.80.0160.00017.47
8.1.70.0120.00317.49
8.1.60.0090.00917.66
8.1.50.0050.01117.57
8.1.40.0130.00717.66
8.1.30.0160.00417.66
8.1.20.0150.00217.72
8.1.10.0120.00917.53
8.1.00.0130.00917.40
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0070.00018.55
8.0.270.0030.00317.92
8.0.260.0100.00716.70
8.0.250.0100.00716.80
8.0.240.0100.00516.72
8.0.230.0140.00016.86
8.0.220.0100.00516.75
8.0.210.0140.00316.75
8.0.200.0130.00316.68
8.0.190.0120.00416.75
8.0.180.0100.00516.73
8.0.170.0150.00016.82
8.0.160.0110.00416.79
8.0.150.0160.00216.77
8.0.140.0170.00016.66
8.0.130.0120.00216.74
8.0.120.0130.00316.73
8.0.110.0100.00316.61
8.0.100.0130.00216.65
8.0.90.0150.00016.73
8.0.80.0130.00216.66
8.0.70.0100.00516.71
8.0.60.0120.00316.63
8.0.50.0070.00716.61
8.0.30.0050.01016.80
8.0.20.0070.00716.82
8.0.10.0070.00716.81
7.4.330.0140.00015.88
7.4.320.0170.00016.50
7.4.300.0130.00316.28
7.4.290.0120.00616.41
7.4.280.0050.00516.40
7.4.270.0070.01016.38
7.4.260.0140.00416.39
7.4.250.0120.00416.33
7.4.240.0150.00316.33
7.4.230.0080.00816.29
7.4.220.0090.00516.34
7.4.210.0110.00416.28
7.4.200.0120.00316.32
7.4.190.0110.00416.37
7.4.180.0070.00716.31
7.4.160.0120.00216.45
7.4.150.0040.00716.47
7.4.140.0090.00316.04
7.4.130.0050.00315.92
7.4.120.0000.00916.21
7.4.110.0000.00916.20
7.4.100.0070.00216.45
7.4.90.0040.00416.27
7.4.80.0060.00316.26
7.4.70.0000.00816.21
7.4.60.0080.00016.33
7.4.50.0090.00016.15
7.4.40.0030.00616.19
7.4.30.0090.00016.29
7.4.20.0000.00916.02
7.4.10.0070.00516.30
7.4.00.0000.01016.33

preferences:
29.1 ms | 403 KiB | 5 Q