3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_detect_encoding("\x19", "ASCII", true)); var_dump(mb_detect_encoding("\x20", "ASCII", true)); var_dump(mb_detect_encoding("\x21", "ASCII", true)); var_dump(mb_detect_encoding("\xA1", "ASCII", true)); var_dump(mb_detect_encoding("\x19", "7bit", true)); var_dump(mb_detect_encoding("\x20", "7bit", true)); var_dump(mb_detect_encoding("\x21", "7bit", true)); var_dump(mb_detect_encoding("\xA1", "7bit", true)); var_dump(mb_detect_encoding("\x19", "8bit", true)); var_dump(mb_detect_encoding("\x20", "8bit", true)); var_dump(mb_detect_encoding("\x21", "8bit", true)); var_dump(mb_detect_encoding("\xA1", "8bit", 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)
8.3.70.0060.00918.27
8.3.60.0030.01416.63
8.3.50.0150.00521.96
8.3.40.0110.00418.72
8.3.30.0080.00618.97
8.3.20.0070.00020.20
8.3.10.0080.00621.58
8.3.00.0040.00420.92
8.2.190.0130.01018.16
8.2.180.0150.00316.63
8.2.170.0110.00322.96
8.2.160.0140.00022.12
8.2.150.0000.00824.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00619.82
8.2.110.0060.00322.24
8.2.100.0090.00317.63
8.2.90.0040.00419.07
8.2.80.0030.00517.97
8.2.70.0030.00517.38
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0080.00018.16
8.2.30.0000.00718.10
8.2.20.0040.00417.57
8.2.10.0040.00418.00
8.2.00.0000.00817.56
8.1.280.0100.01025.92
8.1.270.0030.00620.51
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.89
8.1.230.0070.00419.14
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0090.00017.23
8.1.190.0040.00417.13
8.1.180.0080.00018.10
8.1.170.0090.00018.59
8.1.160.0000.00722.09
8.1.150.0040.00418.76
8.1.140.0090.00317.27
8.1.130.0030.00317.34
8.1.120.0000.00717.39
8.1.110.0000.00717.28
8.1.100.0000.00717.29
8.1.90.0030.00417.43
8.1.80.0000.00817.39
8.1.70.0030.00317.37
8.1.60.0030.00617.50
8.1.50.0060.00317.42
8.1.40.0000.00717.50
8.1.30.0040.00417.50
8.1.20.0000.00817.46
8.1.10.0040.00417.38
8.1.00.0030.00617.46
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0050.00218.39
8.0.270.0000.00717.05
8.0.260.0050.00316.77
8.0.250.0030.00316.91
8.0.240.0090.00016.81
8.0.230.0040.00416.89
8.0.220.0030.00416.70
8.0.210.0000.00716.77
8.0.200.0030.00316.85
8.0.190.0000.00816.92
8.0.180.0000.00716.88
8.0.170.0040.00416.81
8.0.160.0030.00516.84
8.0.150.0040.00416.77
8.0.140.0000.00816.79
8.0.130.0000.00613.25
8.0.120.0050.00316.70
8.0.110.0000.00716.77
8.0.100.0070.00016.64
8.0.90.0000.00816.80
8.0.80.0090.01216.88
8.0.70.0040.00416.78
8.0.60.0030.00616.73
8.0.50.0070.00016.72
8.0.30.0170.00717.02
8.0.20.0130.00517.40
8.0.10.0030.00516.77
8.0.00.0070.01416.59
7.4.330.0020.00215.03
7.4.320.0000.00616.32
7.4.300.0070.00016.48
7.4.290.0030.00316.48
7.4.280.0000.00816.30
7.4.270.0030.00316.30
7.4.260.0070.00016.30
7.4.250.0000.00716.49
7.4.240.0040.00416.46
7.4.230.0070.00016.32
7.4.220.0070.01116.46
7.4.210.0090.00616.43
7.4.200.0070.00016.23
7.4.160.0090.00916.32
7.4.150.0100.00717.40
7.4.140.0110.00717.86
7.4.130.0110.01116.42
7.4.120.0110.00616.24
7.4.110.0090.01116.40
7.4.100.0170.00016.35
7.4.90.0170.00916.33
7.4.80.0110.00616.34
7.4.70.0110.00516.50
7.4.60.0110.00616.36
7.4.50.0000.00716.29
7.4.40.0130.00916.43
7.4.30.0150.00916.46
7.4.00.0060.01114.75
7.3.330.0030.00313.03
7.3.320.0130.00013.01
7.3.310.0070.00016.12
7.3.300.0030.00316.18
7.3.290.0050.00916.15
7.3.280.0060.01116.15
7.3.270.0100.01317.40
7.3.260.0130.00716.44
7.3.250.0070.01516.31
7.3.240.0120.00916.27
7.3.230.0110.00616.39
7.3.210.0060.01016.34
7.3.200.0070.01119.39
7.3.190.0030.01416.23
7.3.180.0060.00916.34
7.3.170.0040.01316.28
7.3.160.0060.01016.45
7.3.120.0000.01714.63
7.3.110.0070.01014.59
7.3.100.0100.00314.70
7.3.90.0040.00414.79
7.3.80.0090.00914.50
7.3.70.0050.00514.81
7.3.60.0050.00514.57
7.3.50.0040.00814.62
7.3.40.0000.01414.45
7.3.30.0040.01114.83
7.3.20.0100.00316.71
7.3.10.0000.01516.68
7.3.00.0100.00316.68
7.2.330.0030.01616.37
7.2.320.0090.00916.36
7.2.310.0130.01216.54
7.2.300.0180.00016.44
7.2.290.0110.00716.37
7.2.250.0060.01214.93
7.2.240.0040.01214.63
7.2.230.0030.00914.59
7.2.220.0090.00015.11
7.2.210.0040.01414.65
7.2.200.0040.01115.05
7.2.190.0070.00314.60
7.2.180.0030.01314.87
7.2.170.0060.00614.79
7.2.00.0030.00819.28
7.1.330.0150.00015.86
7.1.320.0000.01415.80
7.1.310.0030.00715.84
7.1.300.0060.00915.72
7.1.290.0130.00015.57
7.1.280.0070.00715.70
7.1.270.0080.00415.73
7.1.260.0030.01115.57
7.1.100.0070.00717.93
7.1.70.0000.00717.09
7.1.60.0000.01019.46
7.1.50.0070.01716.76
7.1.00.0070.07322.37
7.0.200.0080.00414.63
7.0.140.0030.03321.92
7.0.60.0100.08720.02
7.0.50.0100.08017.67
7.0.40.0100.07720.25
7.0.30.0200.06320.09
7.0.20.0270.05020.30
7.0.10.0000.06020.33
7.0.00.0070.07020.28
5.6.280.0000.07720.86
5.6.210.0070.09020.73
5.6.200.0070.07318.08
5.6.190.0070.08320.67
5.6.180.0400.03320.41
5.6.170.0230.05020.63
5.6.160.0100.08320.49
5.6.150.0070.03718.13
5.6.140.0130.03318.21
5.6.130.0030.04718.12
5.6.120.0030.07321.01
5.6.110.0070.08021.12
5.6.100.0200.06320.98
5.6.90.0030.08720.96
5.6.80.0100.04720.51
5.5.350.0200.06320.45
5.5.340.0070.07017.91
5.5.330.0000.05720.57
5.5.320.0070.03720.28
5.5.310.0200.04320.27
5.5.300.0070.04018.01
5.5.290.0030.06318.05
5.5.280.0070.07720.76
5.5.270.0070.04320.85
5.5.260.0030.07020.89
5.5.250.0030.07720.67
5.5.240.0130.07720.21
5.4.450.0600.05019.48
5.4.440.1070.06019.13
5.4.430.0200.06019.40
5.4.420.0930.05319.13
5.4.410.1030.07019.36
5.4.400.0930.05019.14
5.4.390.0170.05318.48
5.4.380.0200.07318.52
5.4.370.0200.05318.66
5.4.360.0230.05718.67
5.4.350.0200.05018.62
5.4.340.0170.07018.69
5.4.320.0130.06018.63
5.4.310.0130.05718.68
5.4.300.0200.05018.50
5.4.290.0170.05318.68
5.4.280.0270.08018.63
5.4.270.0170.06318.71
5.4.260.0230.05318.55
5.4.250.0230.05318.73
5.4.240.0230.05018.67
5.4.230.0100.05718.46
5.4.220.0130.06318.55
5.4.210.0170.05718.67
5.4.200.0170.06016.61
5.4.190.0130.05318.46
5.4.180.0300.04318.70
5.4.170.0170.06318.72
5.4.160.0130.05318.65
5.4.150.0130.05718.58
5.4.140.0200.05016.30
5.4.130.0130.05716.26
5.4.120.0200.05316.21
5.4.110.0200.05016.27
5.4.100.0170.06716.23
5.4.90.0270.04316.17
5.4.80.0230.05016.30
5.4.70.0100.07316.25
5.4.60.0270.05316.13
5.4.50.0170.05716.04
5.4.40.0170.05716.23
5.4.30.0230.06316.23
5.4.20.0270.06016.16
5.4.10.0270.06016.25
5.4.00.0130.05015.59
5.3.290.0100.08014.59
5.3.280.0070.06314.59
5.3.270.0270.06014.59
5.3.260.0070.06714.51
5.3.250.0130.06014.51
5.3.240.0170.05314.54
5.3.230.0130.05314.71
5.3.220.0100.06014.61
5.3.210.0200.05014.56
5.3.200.0170.05314.47
5.3.190.0200.04714.67
5.3.180.0200.04714.54
5.3.170.0170.05014.50
5.3.160.0130.05714.66
5.3.150.0130.05314.55
5.3.140.0130.05714.60
5.3.130.0130.05714.49
5.3.120.0170.06714.61
5.3.110.0370.03714.47
5.3.100.0130.06714.10
5.3.90.0230.04714.13
5.3.80.0170.05013.99
5.3.70.0130.05013.95
5.3.60.0200.04314.11
5.3.50.0070.06013.99
5.3.40.0100.05714.04
5.3.30.0200.05713.85
5.3.20.0200.04313.68
5.3.10.0130.05013.59
5.3.00.0230.06313.73
5.2.170.0170.03711.11
5.2.160.0170.04011.13
5.2.150.0170.04011.30
5.2.140.0170.06711.07
5.2.130.0170.05711.27
5.2.120.0130.05711.15
5.2.110.0130.06011.17
5.2.100.0200.05711.11
5.2.90.0100.04311.25
5.2.80.0130.04711.08
5.2.70.0170.05711.09
5.2.60.0100.04311.20
5.2.50.0070.04711.18
5.2.40.0170.03310.98
5.2.30.0130.04010.96
5.2.20.0100.04310.94
5.2.10.0070.04310.82
5.2.00.0170.03310.71
5.1.60.0030.04310.01
5.1.50.0170.0379.96
5.1.40.0130.0339.96
5.1.30.0130.03710.39
5.1.20.0030.04010.48
5.1.10.0030.04310.12
5.1.00.0030.05710.10
5.0.50.0070.0308.63
5.0.40.0030.0408.46
5.0.30.0100.0408.37
5.0.20.0070.0278.41
5.0.10.0170.0208.37
5.0.00.0070.0438.20
4.4.90.0030.0305.84
4.4.80.0030.0235.91
4.4.70.0070.0205.89
4.4.60.0030.0235.87
4.4.50.0070.0205.92
4.4.40.0070.0335.84
4.4.30.0070.0205.90
4.4.20.0100.0175.96
4.4.10.0100.0205.96
4.4.00.0030.0375.86
4.3.110.0000.0275.77
4.3.100.0000.0305.84
4.3.90.0100.0235.83
4.3.80.0100.0305.87
4.3.70.0070.0235.78
4.3.60.0070.0205.81
4.3.50.0070.0205.88
4.3.40.0070.0335.84
4.3.30.0030.0234.55
4.3.20.0030.0234.54
4.3.10.0000.0274.50
4.3.00.0230.01714.42

preferences:
61.43 ms | 401 KiB | 5 Q