3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "3 624,00 K\u010d"; // echo iconv('ASCII', 'UTF-8', $a); $string = "chárêctërs"; print(mb_detect_encoding ($string)); $string = mb_convert_encoding($string, "UTF-8"); print(mb_detect_encoding ($string));

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)
8.3.60.0040.01218.43
8.3.50.0090.00617.96
8.3.40.0100.00718.54
8.3.30.0120.00318.55
8.3.20.0050.00219.04
8.3.10.0040.00421.78
8.3.00.0040.00420.62
8.2.180.0100.01018.43
8.2.170.0110.00422.96
8.2.160.0130.00722.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00519.64
8.2.120.0000.00826.35
8.2.110.0090.00022.24
8.2.100.0110.00017.91
8.2.90.0050.00317.75
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0050.00219.38
8.2.30.0000.00719.37
8.2.20.0060.00318.06
8.2.10.0040.00418.21
8.2.00.0030.00617.61
8.1.280.0080.00825.92
8.1.270.0070.00018.85
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0030.00623.92
8.1.230.0030.00717.64
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0040.00418.75
8.1.150.0040.00418.88
8.1.140.0030.00322.04
8.1.130.0030.00321.97
8.1.120.0070.00017.31
8.1.110.0000.00817.48
8.1.100.0040.00417.33
8.1.90.0030.00617.36
8.1.80.0000.00717.52
8.1.70.0040.00417.33
8.1.60.0000.00717.47
8.1.50.0080.00017.54
8.1.40.0040.00417.52
8.1.30.0040.00417.65
8.1.20.0040.00417.56
8.1.10.0030.00617.61
8.1.00.0000.00817.35
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0000.00717.22
8.0.260.0060.00018.54
8.0.250.0100.00017.04
8.0.240.0000.00716.93
8.0.230.0070.00016.97
8.0.220.0030.00316.82
8.0.210.0070.00016.86
8.0.200.0000.00716.93
8.0.190.0040.00416.92
8.0.180.0040.00416.87
8.0.170.0000.00916.75
8.0.160.0040.00416.77
8.0.150.0030.00516.89
8.0.140.0000.00716.85
8.0.130.0030.00313.31
8.0.120.0000.00816.82
8.0.110.0030.00616.84
8.0.100.0000.00716.77
8.0.90.0040.00416.78
8.0.80.0110.00616.91
8.0.70.0040.00416.75
8.0.60.0000.00816.70
8.0.50.0000.00716.90
8.0.30.0120.00616.95
8.0.20.0120.01217.40
8.0.10.0070.00016.78
8.0.00.0080.00916.63
7.4.330.0000.00515.55
7.4.320.0000.00716.42
7.4.300.0030.00316.50
7.4.290.0060.00016.47
7.4.280.0040.00416.52
7.4.270.0000.00716.59
7.4.260.0030.00316.46
7.4.250.0050.00216.45
7.4.240.0070.00016.62
7.4.230.0030.00316.61
7.4.220.0030.00516.34
7.4.210.0070.00816.52
7.4.200.0030.00316.59
7.4.160.0100.00816.49
7.4.140.0090.00817.86
7.4.130.0070.01016.56
7.4.120.0100.00816.49
7.3.330.0000.00512.95
7.3.320.0050.00213.05
7.3.310.0060.00316.21
7.3.300.0070.00016.24
7.3.290.0030.00316.20
7.3.280.0040.01416.14
7.3.260.0120.00516.26
7.3.240.0090.01016.24

preferences:
54.55 ms | 401 KiB | 5 Q