3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = quoted_printable_decode('Piotr Iksi=F1ski'); echo mb_check_encoding($test, 'UTF-8') ? "valid:" : "invalid:"; echo mb_detect_encoding($test, 'ASCII,UTF-8', true) ?: 'false';

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)
8.3.60.0120.00618.43
8.3.50.0040.01118.09
8.3.40.0040.01118.89
8.3.30.0070.00718.61
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.180.0040.01125.92
8.2.170.0000.01519.08
8.2.160.0070.00722.96
8.2.150.0020.00525.66
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00426.16
8.2.110.0100.00022.25
8.2.100.0080.00417.89
8.2.90.0080.00019.35
8.2.80.0030.00617.97
8.2.70.0050.00317.50
8.2.60.0050.00317.63
8.2.50.0080.00017.93
8.2.40.0000.00919.66
8.2.30.0040.00417.65
8.2.20.0000.00720.57
8.2.10.0000.00717.82
8.2.00.0040.00419.30
8.1.280.0030.01325.92
8.1.270.0060.00323.99
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0090.00022.47
8.1.230.0040.00819.00
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0000.00917.22
8.1.180.0050.00318.10
8.1.170.0000.00717.62
8.1.160.0070.00019.00
8.1.150.0040.00418.80
8.1.140.0030.00517.51
8.1.130.0030.00318.86
8.1.120.0000.01117.51
8.1.110.0000.00817.52
8.1.100.0060.00517.51
8.1.90.0000.00717.42
8.1.80.0030.00617.50
8.1.70.0000.00717.40
8.1.60.0030.00517.67
8.1.50.0040.00417.61
8.1.40.0040.00417.46
8.1.30.0050.00317.61
8.1.20.0040.00417.70
8.1.10.0000.00817.44
8.1.00.0040.00417.39
8.0.300.0070.00018.77
8.0.290.0050.00216.88
8.0.280.0060.00018.43
8.0.270.0000.00816.87
8.0.260.0040.00418.49
8.0.250.0040.00417.04
8.0.240.0000.00617.07
8.0.230.0000.00816.90
8.0.220.0000.00716.81
8.0.210.0000.00716.98
8.0.200.0060.00017.00
8.0.190.0030.00616.94
8.0.180.0100.00016.86
8.0.170.0000.00816.94
8.0.160.0000.01116.78
8.0.150.0030.00316.88
8.0.140.0040.00416.95
8.0.130.0130.00616.88
8.0.120.0100.00916.83
8.0.110.0150.00316.95
8.0.100.0160.00416.89
8.0.90.0160.00316.85
8.0.80.0150.00416.91
8.0.70.0150.00416.87
8.0.60.0140.00516.85
8.0.50.0170.00316.89
8.0.30.0160.00316.86
8.0.20.0140.00516.87
8.0.10.0160.00316.91
8.0.00.0090.00417.03
7.4.330.0040.00215.55
7.4.320.0030.00316.61
7.4.300.0060.00016.68
7.4.290.0030.00316.52
7.4.280.0000.00716.59
7.4.270.0070.00016.65
7.4.260.0090.00516.53
7.4.250.0140.00916.60
7.4.240.0170.00716.58
7.4.230.0120.00916.55
7.4.220.0140.00416.55
7.4.210.0160.00116.53
7.4.200.0130.00516.65
7.4.190.0130.00416.57
7.4.180.0110.00716.63
7.4.160.0130.00416.58
7.4.150.0140.00416.48
7.4.140.0170.00216.44
7.4.130.0120.00616.42
7.4.120.0150.00316.46
7.4.110.0120.00716.53
7.4.100.0150.00216.50
7.4.90.0150.00316.39
7.4.80.0150.00316.40
7.4.70.0140.00516.34
7.4.60.0150.00316.43
7.4.50.0110.00716.27
7.4.40.0100.00816.31
7.4.30.0090.00916.39
7.4.20.0110.00616.33
7.4.10.0120.00516.36
7.4.00.0130.00416.45
7.3.330.0160.00416.16
7.3.320.0150.00416.01
7.3.310.0160.00316.11
7.3.300.0200.00016.26
7.3.290.0160.00316.27
7.3.280.0140.00716.22
7.3.270.0150.00416.06
7.3.260.0160.00516.16
7.3.250.0180.00316.21
7.3.240.0170.00316.11
7.3.230.0100.01016.15
7.3.220.0150.00516.06
7.3.210.0060.01115.90
7.3.200.0110.00215.94
7.3.190.0150.00215.97
7.3.180.0110.00115.88
7.3.170.0020.00815.92
7.3.160.0120.00216.02
7.3.150.0130.00716.02
7.3.140.0150.00616.01
7.3.130.0170.00416.03
7.3.120.0180.00215.96
7.3.110.0150.00415.87
7.3.100.0130.00615.96
7.3.90.0170.00416.30
7.3.80.0180.00116.08
7.3.70.0150.00416.23
7.3.60.0090.00916.46
7.3.50.0150.00416.39
7.3.40.0150.00316.41
7.3.30.0160.00316.32
7.3.20.0150.00318.11
7.3.10.0150.00418.00
7.3.00.0140.00418.00

preferences:
55.23 ms | 400 KiB | 5 Q