3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'áš'; echo mb_detect_encoding($a); echo utf8_decode($a);

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)
8.3.60.0120.00318.60
8.3.50.0110.01121.92
8.3.40.0140.00018.84
8.3.30.0060.00919.04
8.3.20.0000.00720.35
8.3.10.0080.00023.61
8.3.00.0070.00019.08
8.2.180.0120.00318.46
8.2.170.0120.00322.96
8.2.160.0140.00021.92
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0050.00220.72
8.2.110.0060.00322.26
8.2.100.0070.00417.91
8.2.90.0090.00019.22
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0000.00817.91
8.2.30.0040.00418.05
8.2.20.0000.00817.89
8.2.10.0000.00717.98
8.2.00.0080.00017.74
8.1.280.0070.01025.92
8.1.270.0080.00018.62
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.73
8.1.230.0100.00019.16
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0040.00417.13
8.1.180.0030.00518.10
8.1.170.0080.00018.57
8.1.160.0050.00322.01
8.1.150.0000.00718.87
8.1.140.0050.00217.43
8.1.130.0030.00517.74
8.1.120.0030.00317.40
8.1.110.0040.00417.49
8.1.100.0000.00817.49
8.1.90.0050.00317.49
8.1.80.0040.00417.45
8.1.70.0070.00017.35
8.1.60.0030.00617.48
8.1.50.0000.00817.41
8.1.40.0000.00717.48
8.1.30.0050.00317.56
8.1.20.0040.00417.61
8.1.10.0050.00317.59
8.1.00.0030.00617.43
8.0.300.0050.00318.77
8.0.290.0040.00416.73
8.0.280.0030.00318.51
8.0.270.0000.00717.22
8.0.260.0060.00017.31
8.0.250.0070.00017.04
8.0.240.0020.00517.05
8.0.230.0000.00716.88
8.0.220.0040.00416.88
8.0.210.0000.00716.77
8.0.200.0030.00316.85
8.0.190.0040.00416.95
8.0.180.0040.00416.97
8.0.170.0030.00316.93
8.0.160.0000.00716.98
8.0.150.0000.00716.88
8.0.140.0080.00016.67
8.0.130.0050.00013.20
8.0.120.0050.00316.91
8.0.110.0050.00216.79
8.0.100.0040.00416.91
8.0.90.0040.00416.93
8.0.80.0090.00616.95
8.0.70.0030.00316.86
8.0.60.0000.00716.73
8.0.50.0040.00416.68
8.0.30.0130.01317.12
8.0.20.0120.00817.40
8.0.10.0000.00716.94
8.0.00.0100.00816.78
7.4.330.0020.00215.03
7.4.320.0000.00616.36
7.4.300.0060.00016.59
7.4.290.0000.00716.59
7.4.280.0050.00516.49
7.4.270.0100.00016.61
7.4.260.0000.00816.48
7.4.250.0040.00416.45
7.4.240.0020.00516.54
7.4.230.0030.00316.61
7.4.220.0180.00616.57
7.4.210.0120.00416.48
7.4.200.0000.00816.38
7.4.160.0100.00616.24
7.4.150.0150.00317.40
7.4.140.0130.00717.86
7.4.130.0080.00816.55
7.4.120.0100.00916.47
7.4.110.0060.01216.52
7.4.100.0110.00716.37
7.4.90.0160.00716.50
7.4.80.0120.01219.39
7.4.70.0130.00716.51
7.4.60.0070.01016.54
7.4.50.0030.00316.66
7.4.40.0100.00716.33
7.4.30.0130.01016.40
7.4.00.0040.01414.75
7.3.330.0000.00613.07
7.3.320.0060.00013.05
7.3.310.0030.00316.28
7.3.300.0000.00616.20
7.3.290.0080.00616.21
7.3.280.0080.01116.20
7.3.270.0110.00617.40
7.3.260.0060.01216.49
7.3.250.0080.00816.22
7.3.240.0060.01516.07
7.3.230.0060.01216.42
7.3.210.0180.00016.16
7.3.200.0090.00819.39
7.3.190.0080.00816.42
7.3.180.0100.00616.28
7.3.170.0180.00016.48
7.3.160.0130.00616.34
7.3.10.0100.00316.70
7.3.00.0030.01016.52
7.2.330.0030.01416.50
7.2.320.0030.01316.56
7.2.310.0030.01316.30
7.2.300.0130.00416.66
7.2.290.0030.01516.60
7.2.130.0040.00817.05
7.2.120.0120.00316.98
7.2.110.0080.00816.61
7.2.100.0070.00316.68
7.2.90.0030.01216.92
7.2.80.0030.01016.59
7.2.70.0100.00616.73
7.2.60.0070.00716.77
7.2.50.0060.01116.89
7.2.40.0040.00417.05
7.2.30.0070.01017.05
7.2.20.0030.01416.87
7.2.10.0140.00016.73
7.2.00.0050.00918.03
7.1.250.0040.00415.77
7.1.200.0070.00715.78
7.1.100.0060.00918.13
7.1.70.0040.00917.14
7.1.60.0090.01619.46
7.1.50.0140.01117.03
7.1.00.0130.06722.32
7.0.200.0000.00816.78
7.0.140.0070.04022.09
7.0.60.0100.07721.59
7.0.50.0070.08017.78
7.0.40.0170.07720.10
7.0.30.0300.07320.20
7.0.20.0270.06720.15
7.0.10.0100.08720.16
7.0.00.0070.08720.03
5.6.280.0070.07021.07
5.6.210.0130.07320.76
5.6.200.0030.08018.15
5.6.190.0070.08020.67
5.6.180.0300.07320.61
5.6.170.0330.08020.49
5.6.160.0100.08320.50
5.6.150.0070.08018.12
5.6.140.0070.08018.20
5.6.130.0030.07718.14
5.6.120.0030.04320.94
5.6.110.0030.04321.02
5.6.100.0130.07720.96
5.6.90.0170.07720.97
5.6.80.0030.04020.39
5.5.350.0300.06020.37
5.5.340.0100.08018.00
5.5.330.0100.08320.43
5.5.320.0330.07020.28
5.5.310.0300.05720.50
5.5.300.0030.04317.96
5.5.290.0100.07317.88
5.5.280.0100.05320.73
5.5.270.0170.07320.64
5.5.260.0030.07320.79
5.5.250.0100.08320.79
5.5.240.0400.04720.15
5.4.450.0070.06019.11
5.4.440.0170.05719.51
5.4.430.0130.05719.14
5.4.420.0200.04719.63
5.4.410.0200.05719.02
5.4.400.0130.05319.18
5.4.390.0270.05318.47
5.4.380.0230.05718.68
5.4.370.0230.05318.49
5.4.360.0230.05318.50
5.4.350.0300.05018.69
5.4.340.0300.05318.69
5.4.320.0230.06018.68
5.4.310.0230.05718.56
5.4.300.0270.06018.71
5.4.290.0200.05318.74
5.4.280.0300.05018.58
5.4.270.0230.05318.50
5.4.260.0330.05318.50
5.4.250.0230.05718.49
5.4.240.0270.05718.58
5.4.230.0300.05318.69
5.4.220.0270.05318.51
5.4.210.0270.06318.55
5.4.200.0230.05316.55
5.4.190.0330.04018.44
5.4.180.0200.05318.66
5.4.170.0200.06018.63
5.4.160.0330.04318.54
5.4.150.0370.05018.54
5.4.140.0200.05716.04
5.4.130.0230.05016.29
5.4.120.0230.05016.16
5.4.110.0230.05316.07
5.4.100.0370.04716.08
5.4.90.0230.05716.16
5.4.80.0230.05716.04
5.4.70.0330.04716.17
5.4.60.0230.05716.29
5.4.50.0400.03316.19
5.4.40.0230.05316.21
5.4.30.0270.04716.04
5.4.20.0330.06316.21
5.4.10.0300.04716.07
5.4.00.0230.05315.59
5.3.290.0200.06014.55
5.3.280.0470.03714.64
5.3.270.0270.06014.61
5.3.260.0200.05714.59
5.3.250.0300.04314.68
5.3.240.0270.05314.50
5.3.230.0370.04014.51
5.3.220.0170.06014.52
5.3.210.0300.05014.47
5.3.200.0230.05314.51
5.3.190.0370.04014.47
5.3.180.0300.05014.59
5.3.170.0300.05314.53
5.3.160.0230.05314.65
5.3.150.0300.04714.65
5.3.140.0200.05314.54
5.3.130.0230.05714.54
5.3.120.0230.05314.44
5.3.110.0330.04714.45
5.3.100.0200.05714.03
5.3.90.0200.05714.12
5.3.80.0270.04713.99
5.3.70.0200.05714.05
5.3.60.0230.05013.97
5.3.50.0200.06014.03
5.3.40.0200.05713.88
5.3.30.0300.04313.89
5.3.20.0300.04313.76
5.3.10.0270.05013.73
5.3.00.0230.05713.55
5.2.170.0230.04011.12
5.2.160.0270.03711.20
5.2.150.0170.04711.12
5.2.140.0170.04711.09
5.2.130.0300.03011.05
5.2.120.0200.04011.01
5.2.110.0300.03711.01
5.2.100.0170.04311.10
5.2.90.0130.04711.16
5.2.80.0200.06011.04
5.2.70.0200.04311.01
5.2.60.0200.04011.08
5.2.50.0170.04311.06
5.2.40.0200.03311.05
5.2.30.0230.03710.97
5.2.20.0130.04711.09
5.2.10.0170.05310.99
5.2.00.0170.04310.69
5.1.60.0170.03310.12
5.1.50.0100.04010.04
5.1.40.0470.03310.00
5.1.30.0270.04310.34
5.1.20.0170.03710.36
5.1.10.0130.03710.13
5.1.00.0130.04010.14
5.0.50.0100.0308.52
5.0.40.0030.0338.46
5.0.30.0100.0408.25
5.0.20.0070.0308.26
5.0.10.0070.0308.20
5.0.00.0100.0408.33
4.4.90.0130.0176.79
4.4.80.0170.0136.79
4.4.70.0070.0236.79
4.4.60.0070.0236.79
4.4.50.0100.0236.79
4.4.40.0100.0336.79
4.4.30.0100.0206.79
4.4.20.0100.0206.79
4.4.10.0100.0236.79
4.4.00.0100.0376.79
4.3.110.0070.0236.79
4.3.100.0100.0206.79
4.3.90.0100.0206.79
4.3.80.0130.0276.79
4.3.70.0070.0236.79
4.3.60.0070.0236.79
4.3.50.0030.0276.79
4.3.40.0100.0336.79
4.3.30.0030.0236.79
4.3.20.0030.0236.79
4.3.10.0030.0276.79
4.3.00.0070.0177.18

preferences:
46.29 ms | 401 KiB | 5 Q