3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ''; var_dump( $input ); var_dump( iconv(mb_detect_encoding($input, mb_detect_order(), true), "UTF-8", $input) );

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)
8.3.60.0120.00316.72
8.3.50.0110.00821.21
8.3.40.0150.00018.43
8.3.30.0120.00918.45
8.3.20.0040.00420.35
8.3.10.0050.00323.67
8.3.00.0040.00417.80
8.2.180.0100.00718.18
8.2.170.0070.01022.96
8.2.160.0130.00320.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.01126.16
8.2.120.0030.00517.63
8.2.110.0100.00019.45
8.2.100.0040.00717.63
8.2.90.0040.00419.06
8.2.80.0000.00917.97
8.2.70.0040.00417.50
8.2.60.0080.00017.93
8.2.50.0050.00318.07
8.2.40.0040.00421.18
8.2.30.0000.00820.59
8.2.20.0040.00417.68
8.2.10.0030.00518.11
8.2.00.0080.00018.04
8.1.280.0140.00325.92
8.1.270.0130.00723.89
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.86
8.1.230.0110.00017.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0000.00818.45
8.1.160.0040.00422.01
8.1.150.0030.00618.95
8.1.140.0040.00419.21
8.1.130.0030.00317.71
8.1.120.0020.00517.44
8.1.110.0040.00417.36
8.1.100.0080.00017.48
8.1.90.0040.00417.46
8.1.80.0060.00317.43
8.1.70.0000.00717.40
8.1.60.0090.00017.58
8.1.50.0030.00617.44
8.1.40.0040.00417.41
8.1.30.0050.00317.71
8.1.20.0000.00917.69
8.1.10.0040.00417.49
8.1.00.0050.00317.46
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0030.00317.16
8.0.260.0040.00417.24
8.0.250.0040.00416.88
8.0.240.0030.00316.93
8.0.230.0000.00716.99
8.0.220.0030.00316.84
8.0.210.0070.00016.91
8.0.200.0030.00316.91
8.0.190.0030.00617.02
8.0.180.0040.00416.84
8.0.170.0000.00716.90
8.0.160.0000.00816.92
8.0.150.0030.00316.93
8.0.140.0000.00716.82
8.0.130.0060.00013.27
8.0.120.0000.00917.03
8.0.110.0040.00416.94
8.0.100.0030.00617.10
8.0.90.0030.00617.03
8.0.80.0060.01517.03
8.0.70.0040.00416.86
8.0.60.0000.00817.09
8.0.50.0060.00317.09
8.0.30.0100.01117.01
8.0.20.0110.01217.41
8.0.10.0030.00616.98
8.0.00.0110.01016.81
7.4.330.0020.00215.08
7.4.320.0060.00016.52
7.4.300.0030.00316.60
7.4.290.0070.00016.50
7.4.280.0040.00416.49
7.4.270.0030.00316.50
7.4.260.0000.00716.48
7.4.250.0060.00316.62
7.4.240.0040.00416.65
7.4.230.0060.00316.47
7.4.220.0140.01416.58
7.4.210.0110.01116.76
7.4.200.0040.00416.81
7.4.160.0070.01516.56
7.4.150.0110.01117.40
7.4.140.0130.01217.86
7.4.130.0050.01416.52
7.4.120.0050.01416.57
7.4.110.0100.01016.48
7.4.100.0150.00616.64
7.4.90.0130.01416.57
7.4.80.0210.00619.39
7.4.70.0110.01216.48
7.4.60.0120.01016.38
7.4.50.0180.00116.21
7.4.40.0110.01116.32
7.4.30.0130.00916.43
7.4.20.0140.01016.48
7.4.10.0160.00816.16
7.4.00.0110.00915.90
7.3.330.0020.00213.09
7.3.320.0060.00012.99
7.3.310.0000.00816.21
7.3.300.0030.00616.21
7.3.290.0090.01316.36
7.3.280.0090.01216.34
7.3.270.0100.01317.40
7.3.260.0100.01316.51
7.3.250.0090.01116.45
7.3.240.0060.01316.70
7.3.230.0100.01016.39
7.3.210.0030.01616.55
7.3.200.0030.01516.66
7.3.190.0130.01116.20
7.3.180.0090.01316.30
7.3.170.0080.01316.28
7.3.160.0110.01016.26
7.3.150.0150.00716.07
7.3.140.0070.01816.10
7.3.130.0190.00316.23
7.3.120.0080.01616.43
7.3.110.0140.01315.95
7.3.100.0180.00315.87
7.3.90.0200.00316.27
7.3.80.0170.01116.40
7.3.70.0180.00816.14
7.3.60.0200.00916.29
7.3.50.0150.01116.14
7.3.40.0040.01816.45
7.3.30.0110.01116.32
7.3.20.1010.00916.25
7.3.10.0090.01416.33
7.3.00.0090.01516.41
7.2.330.0070.01416.68
7.2.320.0030.01616.54
7.2.310.0160.01016.32
7.2.300.0110.01516.58
7.2.290.0050.01416.66
7.2.280.0180.00916.63
7.2.270.0130.01016.23
7.2.260.0130.01316.47
7.2.250.0100.01716.62
7.2.240.0210.01216.01
7.2.230.0060.01616.27
7.2.220.0170.00616.43
7.2.210.0170.01016.50
7.2.200.0110.01516.39
7.2.190.0080.02016.38
7.2.180.0120.01516.45
7.2.170.0040.02016.33
7.2.160.0130.01516.59
7.2.150.0050.01616.35
7.2.140.0130.01016.45
7.2.130.0160.00616.54
7.2.120.0100.01716.40
7.2.110.0140.01816.44
7.2.100.0090.01216.39
7.2.90.0080.01316.29
7.2.80.0100.01016.24
7.2.70.0050.01616.31
7.2.60.0190.00616.55
7.2.50.1250.00716.50
7.2.40.0060.01616.56
7.2.30.0110.01116.48
7.2.20.0540.01516.42
7.2.10.0040.01816.57
7.2.00.0060.01518.08
7.1.330.0990.01315.73
7.1.320.0260.00315.86
7.1.310.0210.01515.77
7.1.300.0280.00415.69
7.1.290.0280.00615.64
7.1.280.0150.01515.66
7.1.270.0190.01315.46
7.1.260.0210.01215.71
7.1.250.0270.00815.56
7.1.240.0190.01315.55
7.1.230.0220.01015.69
7.1.220.0790.01115.66
7.1.210.0170.01415.53
7.1.200.0100.01315.83
7.1.190.0170.01215.74
7.1.180.0180.01315.66
7.1.170.0250.01015.64
7.1.160.0210.01015.67
7.1.150.0210.01215.77
7.1.140.0250.00615.65
7.1.130.0110.01815.74
7.1.120.0190.01315.73
7.1.110.0250.00615.54
7.1.100.0700.00816.93
7.1.90.0190.01515.68
7.1.80.0210.01115.70
7.1.70.0130.01216.45
7.1.60.0170.01417.56
7.1.50.0160.01416.50
7.1.40.0260.00915.52
7.1.30.0230.00715.80
7.1.20.0190.01215.59
7.1.10.0150.01815.39
7.1.00.0090.04819.10
7.0.330.0310.00315.32
7.0.320.0160.01315.33
7.0.310.0140.01415.39
7.0.300.0150.01515.17
7.0.290.0190.01615.30
7.0.280.0140.01715.43
7.0.270.0200.00915.39
7.0.260.0200.00915.36
7.0.250.0510.00715.30
7.0.240.0190.01915.52
7.0.230.0170.01215.52
7.0.220.0190.01115.38
7.0.210.0190.01315.22
7.0.200.0320.00915.16
7.0.190.0250.00715.45
7.0.180.0190.01115.36
7.0.170.0190.00915.32
7.0.160.0210.01115.36
7.0.150.0210.00815.30
7.0.140.1120.02015.55
7.0.130.0180.01515.62
7.0.120.0250.00415.60
7.0.110.0170.01315.46
7.0.100.0210.00815.30
7.0.90.0160.01215.39
7.0.80.0180.01115.37
7.0.70.0200.01615.32
7.0.60.0140.04717.60
7.0.50.0790.03016.62
7.0.40.0140.05017.79
7.0.30.0180.03217.84
7.0.20.0250.04417.70
7.0.10.0160.03217.82
7.0.00.0140.02817.77
5.6.400.0190.01516.04
5.6.390.0270.01315.98
5.6.380.0250.00816.07
5.6.370.0150.01916.20
5.6.360.0190.01315.96
5.6.350.0150.02416.14
5.6.340.0300.00615.99
5.6.330.0270.00415.99
5.6.320.0230.01116.12
5.6.310.0220.01316.00
5.6.300.0140.01716.00
5.6.290.0220.01416.04
5.6.280.0110.02418.43
5.6.270.0150.01515.85
5.6.260.0140.01415.96
5.6.250.0180.01215.95
5.6.240.0190.01315.98
5.6.230.0150.01515.81
5.6.220.0250.01116.02
5.6.210.0120.03118.34
5.6.200.0160.02317.17
5.6.190.0130.02918.32
5.6.180.0220.03618.43
5.6.170.0270.03918.31
5.6.160.0130.04818.35
5.6.150.0180.04617.13
5.6.140.0150.04917.14
5.6.130.0160.04917.03
5.6.120.0160.04218.52
5.6.110.0160.04918.59
5.6.100.0110.05318.67
5.6.90.0100.05518.48
5.6.80.0130.03518.25
5.6.70.0240.01515.76
5.6.60.0170.02015.81
5.6.50.0180.01415.78
5.6.40.0200.01415.89
5.6.30.0130.01715.71
5.6.20.0190.01016.00
5.6.10.0180.01515.76
5.6.00.0150.01515.98
5.5.380.0180.01415.92
5.5.370.0240.01415.95
5.5.360.0160.01615.94
5.5.350.0090.04618.26
5.5.340.0160.04317.07
5.5.330.0100.03118.35
5.5.320.1630.03018.02
5.5.310.0310.04218.14
5.5.300.0130.02516.93
5.5.290.0130.03517.00
5.5.280.0100.05018.33
5.5.270.0140.05318.24
5.5.260.0180.02218.47
5.5.250.0150.05318.30
5.5.240.0110.04418.09
5.5.230.0230.00615.94
5.5.220.0220.01115.85
5.5.210.0150.01315.76
5.5.200.0080.02115.79
5.5.190.0210.00915.55
5.5.180.0180.01215.74
5.5.170.0210.01415.51
5.5.160.0210.00915.81
5.5.150.0240.01715.87
5.5.140.0240.01215.71
5.5.130.0200.01015.95
5.5.120.0190.01215.82
5.5.110.0190.01915.72
5.5.100.0180.01115.71
5.5.90.0190.01315.83
5.5.80.0110.01815.71
5.5.70.0150.01715.96
5.5.60.0250.01215.73
5.5.50.0200.02015.79
5.5.40.0220.01315.55
5.5.30.0160.01215.64
5.5.20.0110.02515.77
5.5.10.0230.00915.66
5.5.00.0300.00315.92
5.4.450.0400.03515.99
5.4.440.0420.03216.03
5.4.430.0470.03116.07
5.4.420.0430.03116.07
5.4.410.0460.03415.83
5.4.400.0470.03015.82
5.4.390.0390.03715.73
5.4.380.0500.02515.89
5.4.370.0500.02815.83
5.4.360.0480.03015.60
5.4.350.0490.02815.89
5.4.340.0470.03315.90
5.4.330.0150.00512.36
5.4.320.0330.03915.83
5.4.310.0430.03515.84
5.4.300.0460.03415.68
5.4.290.0420.03715.80
5.4.280.0420.03215.63
5.4.270.0270.03215.72
5.4.260.0160.03115.91
5.4.250.0330.04115.79
5.4.240.0490.04415.79
5.4.230.0510.04115.94
5.4.220.0450.03715.80
5.4.210.0370.03515.84
5.4.200.0190.02515.87
5.4.190.0130.03215.89
5.4.180.0090.03215.73
5.4.170.0490.03515.83
5.4.160.0340.03415.66
5.4.150.0240.04415.78
5.4.140.0170.03614.47
5.4.130.0100.03614.48
5.4.120.0380.04114.45
5.4.110.0390.03214.45
5.4.100.0430.03014.41
5.4.90.0430.02814.28
5.4.80.0500.02814.74
5.4.70.0170.04114.51
5.4.60.0100.04014.53
5.4.50.0130.02714.51
5.4.40.0200.01814.55
5.4.30.0220.02114.50
5.4.20.0190.02214.51
5.4.10.0190.00712.38
5.4.00.0120.00912.45

preferences:
55.31 ms | 401 KiB | 5 Q