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') ?: '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)
8.3.70.0120.00418.06
8.3.60.0100.00518.52
8.3.50.0040.01119.89
8.3.40.0180.00018.68
8.3.30.0100.00318.50
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.190.0060.01016.88
8.2.180.0100.00725.92
8.2.170.0170.00019.00
8.2.160.0140.00722.96
8.2.150.0060.00325.66
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0050.00219.66
8.2.110.0060.00319.45
8.2.100.0040.00818.04
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0030.00617.93
8.2.50.0000.00818.10
8.2.40.0050.00318.22
8.2.30.0070.00017.75
8.2.20.0070.00020.49
8.2.10.0080.00017.74
8.2.00.0000.00719.18
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.88
8.1.230.0090.00317.52
8.1.220.0060.00617.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0000.00818.68
8.1.160.0090.00018.91
8.1.150.0040.00418.65
8.1.140.0050.00317.41
8.1.130.0000.00718.88
8.1.120.0000.01017.50
8.1.110.0040.00417.43
8.1.100.0040.00417.43
8.1.90.0000.00717.51
8.1.80.0060.00617.40
8.1.70.0030.00317.54
8.1.60.0050.00317.65
8.1.50.0000.00917.59
8.1.40.0040.00417.55
8.1.30.0000.00817.66
8.1.20.0030.00617.68
8.1.10.0040.00417.56
8.1.00.0030.00617.41
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.61
8.0.270.0040.00416.89
8.0.260.0040.00418.49
8.0.250.0030.00616.91
8.0.240.0030.00316.99
8.0.230.0050.00316.90
8.0.220.0030.00316.88
8.0.210.0000.00816.91
8.0.200.0000.00617.03
8.0.190.0080.00016.99
8.0.180.0040.00416.97
8.0.170.0040.00416.89
8.0.160.0070.00316.95
8.0.150.0000.00716.89
8.0.140.0070.00016.93
8.0.130.0100.00916.86
8.0.120.0070.01116.80
8.0.110.0150.00316.89
8.0.100.0130.00616.90
8.0.90.0200.00017.02
8.0.80.0110.00716.74
8.0.70.0150.00316.86
8.0.60.0170.00316.89
8.0.50.0100.00716.60
8.0.30.0130.00516.94
8.0.20.0160.00316.91
8.0.10.0130.00616.90
8.0.00.0050.00517.04
7.4.330.0000.00715.55
7.4.320.0070.00016.58
7.4.300.0060.00016.55
7.4.290.0000.00816.59
7.4.280.0000.00816.45
7.4.270.0030.00316.62
7.4.260.0100.00316.68
7.4.250.0160.00716.60
7.4.240.0170.00416.61
7.4.230.0200.00316.55
7.4.220.0140.00416.60
7.4.210.0130.00416.57
7.4.200.0140.00316.61
7.4.190.0180.00016.62
7.4.180.0170.00016.68
7.4.160.0160.00216.63
7.4.150.0060.01316.56
7.4.140.0110.00916.55
7.4.130.0130.00516.40
7.4.120.0120.00616.50
7.4.110.0180.00016.43
7.4.100.0070.01116.58
7.4.90.0150.00316.40
7.4.80.0120.00616.36
7.4.70.0110.00716.40
7.4.60.0110.00716.33
7.4.50.0180.00016.24
7.4.40.0180.00016.20
7.4.30.0150.00416.44
7.4.20.0130.00416.45
7.4.10.0150.00316.41
7.4.00.0140.00516.41
7.3.330.0180.00416.14
7.3.320.0100.01016.08
7.3.310.0200.00016.11
7.3.300.0100.01016.12
7.3.290.0140.00716.05
7.3.280.0160.00416.30
7.3.270.0160.00416.20
7.3.260.0140.00716.06
7.3.250.0160.00516.18
7.3.240.0140.00616.20
7.3.230.0210.00016.33
7.3.220.0040.00816.00
7.3.210.0050.00616.14
7.3.200.0160.00415.88
7.3.190.0110.00716.02
7.3.180.0120.00216.01
7.3.170.0050.00516.06
7.3.160.0070.00416.13
7.3.150.0120.00815.94
7.3.140.0120.00415.85
7.3.130.0190.00315.97
7.3.120.0180.00316.20
7.3.110.0150.00316.08
7.3.100.0190.00015.99
7.3.90.0200.00016.36
7.3.80.0150.00416.01
7.3.70.0140.00816.22
7.3.60.0140.00516.41
7.3.50.0170.00316.51
7.3.40.0140.00416.21
7.3.30.0110.00816.35
7.3.20.0360.00716.45
7.3.10.0130.00916.29
7.3.00.0220.00016.07

preferences:
45.58 ms | 401 KiB | 5 Q