3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump( mb_check_encoding("test:test", "UUENCODE"), mb_detect_encoding("test:test", ["UUENCODE"], false), mb_detect_encoding("test:test", ["UUENCODE"], true) );

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)
8.5.90.0070.00316.82
8.5.80.0040.00417.38
8.5.70.0070.00217.58
8.5.60.0070.00617.55
8.5.50.0070.00616.62
8.5.40.0080.00218.17
8.5.30.0060.00817.04
8.5.20.0070.00818.88
8.5.10.0110.00616.70
8.5.00.0080.00818.89
8.4.240.0110.00919.52
8.4.230.0060.00920.40
8.4.220.0120.00519.38
8.4.210.0090.00720.24
8.4.200.0150.00719.46
8.4.190.0120.00919.63
8.4.180.0140.01020.39
8.4.170.0140.00719.96
8.4.160.0150.01020.03
8.4.150.0110.00518.31
8.4.140.0120.01017.35
8.4.130.0120.00518.12
8.4.120.0110.00620.94
8.4.110.0110.00618.22
8.4.100.0120.00618.31
8.4.90.0120.00819.19
8.4.80.0150.00618.97
8.4.70.0160.00517.70
8.4.60.0180.00518.16
8.4.50.0090.00617.68
8.4.40.0110.00618.46
8.4.30.0100.00718.82
8.4.20.0110.00720.06
8.4.10.0080.00718.49
8.3.330.0120.00818.35
8.3.320.0150.00818.37
8.3.310.0080.00818.38
8.3.300.0140.00718.81
8.3.290.0100.00519.52
8.3.280.0120.00918.26
8.3.270.0130.00816.69
8.3.260.0100.00517.62
8.3.250.0090.00617.88
8.3.240.0120.00717.70
8.3.230.0060.00416.68
8.3.220.0070.00317.70
8.3.210.0080.00716.63
8.3.200.0060.00416.55
8.3.190.0070.00816.66
8.3.180.0070.00317.59
8.3.170.0110.00417.69
8.3.160.0080.00616.89
8.3.150.0080.00816.66
8.3.140.0030.00717.68
8.3.130.0070.00616.77
8.3.120.0080.00218.57
8.3.110.0060.00418.86
8.3.100.0080.00220.34
8.3.90.0080.00321.78
8.3.80.0060.00616.73
8.3.70.0120.00416.67
8.3.60.0090.00317.58
8.3.50.0120.00418.29
8.3.40.0040.01119.25
8.3.30.0080.00518.16
8.3.20.0070.00421.01
8.3.10.0070.00221.29
8.3.00.0060.00521.98
8.2.330.0130.00619.62
8.2.320.0090.00717.98
8.2.310.0110.00618.08
8.2.300.0150.00719.06
8.2.290.0140.00418.19
8.2.280.0160.00417.38
8.2.270.0130.00617.64
8.2.260.0110.00418.29
8.2.250.0100.00217.46
8.2.240.0110.00516.78
8.2.230.0110.00319.46
8.2.220.0180.00426.98
8.2.210.0160.00321.59
8.2.200.0110.00516.46
8.2.190.0130.00817.45
8.2.180.0130.00521.17
8.2.170.0130.00418.41
8.2.160.0190.00120.38
8.2.150.0110.00221.73
8.2.140.0100.00321.19
8.2.130.0090.00421.87
8.2.120.0100.00421.88
8.2.110.0110.00220.75
8.2.100.0100.00517.76
8.2.90.0070.00617.60
8.2.80.0120.00117.76
8.2.70.0100.00417.66
8.2.60.0070.00317.50
8.2.50.0120.00617.66
8.2.40.0080.00717.69
8.2.30.0120.00317.48
8.2.20.0080.00517.65
8.2.10.0100.00319.85
8.2.00.0090.00518.43
8.1.340.0120.00919.46
8.1.330.0140.00618.76
8.1.320.0110.00818.01
8.1.310.0130.00617.05
8.1.300.0110.00317.85
8.1.290.0110.00517.46
8.1.280.0120.00520.98
8.1.270.0150.00320.54
8.1.260.0090.00721.91
8.1.250.0110.00722.77
8.1.240.0090.00419.85
8.1.230.0140.00420.03
8.1.220.0110.00417.58
8.1.210.0120.00418.07
8.1.200.0100.00617.29
8.1.190.0110.00417.04
8.1.180.0070.00717.69
8.1.170.0040.00617.64
8.1.160.0100.00218.20
8.1.150.0030.00618.00
8.1.140.0060.00518.22
8.1.130.0060.00420.70
8.1.120.0050.00517.42
8.1.110.0080.00217.39
8.1.100.0040.00617.45
8.1.90.0040.00617.46
8.1.80.0070.00317.51
8.1.70.0030.00717.29
8.1.60.0060.00417.64
8.1.50.0060.00517.44
8.1.40.0060.00417.37
8.1.30.0040.00617.58
8.1.20.0040.00717.61
8.1.10.0060.00417.59
8.1.00.0080.00217.45
8.0.300.0060.00420.31
8.0.290.0050.00517.62
8.0.280.0070.00317.36
8.0.270.0040.00517.62
8.0.260.0040.00418.70
8.0.250.0060.00316.89
8.0.240.0040.00516.85
8.0.230.0060.00316.92
8.0.220.0030.00617.66
8.0.210.0080.00316.75
8.0.200.0080.00316.88
8.0.190.0070.01116.81
8.0.180.0090.00717.01
8.0.170.0060.00616.83
8.0.160.0080.00416.86
8.0.150.0070.00716.66
8.0.140.0050.00516.80
8.0.130.0070.00515.10
8.0.120.0070.00417.67
8.0.110.0050.00416.74
8.0.100.0110.00316.87
8.0.90.0040.00717.62
8.0.80.0070.00216.73
8.0.70.0030.00717.73
8.0.60.0040.00617.71
8.0.50.0050.00417.70
8.0.30.0040.00517.58
8.0.20.0050.00417.79
8.0.10.0070.00117.80
8.0.00.0030.00516.76
7.4.330.0040.00316.07
7.4.320.0050.00317.37
7.4.300.0050.00317.41
7.4.290.0040.00516.50
7.4.280.0030.00517.31
7.4.270.0050.00217.42
7.4.260.0030.00315.71
7.4.250.0050.00317.37
7.4.240.0060.00117.44
7.4.230.0040.00417.46
7.4.220.0040.00516.39
7.4.210.0060.00217.21
7.4.200.0040.00416.44
7.4.190.0050.00316.43
7.4.180.0020.00517.38
7.4.160.0020.00717.50
7.4.150.0040.00417.35
7.4.140.0060.00317.34
7.4.130.0040.00517.23
7.4.120.0030.00517.34
7.4.110.0070.00516.24
7.4.100.0050.00416.39
7.4.90.0050.00416.41
7.4.80.0030.00516.39
7.4.70.0050.00317.30
7.4.60.0050.00317.19
7.4.50.0040.00416.24
7.4.40.0030.00417.12
7.4.30.0070.00117.36
7.4.20.0060.00216.43
7.4.10.0050.00516.46
7.4.00.0040.00417.41
7.3.330.0030.00517.01
7.3.320.0030.00314.78
7.3.310.0040.00416.29
7.3.300.0050.00317.21
7.3.290.0050.00316.34
7.3.280.0030.00616.28
7.3.270.0020.00517.23
7.3.260.0040.00316.33
7.3.250.0060.00416.18
7.3.240.0050.00217.29
7.3.230.0050.00317.15
7.3.220.0030.00516.29
7.3.210.0030.00417.08
7.3.200.0070.00016.25
7.3.190.0060.00316.21
7.3.180.0020.00616.99
7.3.170.0020.00516.15
7.3.160.0040.00316.15
7.3.150.0080.00116.02
7.3.140.0020.00517.02
7.3.130.0040.00316.22
7.3.120.0030.00417.12
7.3.110.0050.00217.02
7.3.100.0050.00216.96
7.3.90.0030.00517.40
7.3.80.0040.00317.21
7.3.70.0020.00517.24
7.3.60.0030.00516.27
7.3.50.0080.00116.21
7.3.40.0070.00216.39
7.3.30.0060.00316.31
7.3.20.0040.00517.16
7.3.10.0040.00517.12
7.3.00.0070.00317.16

preferences:
49.73 ms | 1459 KiB | 5 Q