3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '1392'; echo $string = mb_convert_encoding($str,"ASC-2"); echo intval($string)+1;

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)
8.3.40.0000.01418.69
8.3.30.0150.00319.19
8.3.20.0000.01020.09
8.3.10.0000.00923.66
8.3.00.0030.00620.64
8.2.170.0000.01422.96
8.2.160.0160.00320.50
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0070.00022.24
8.2.110.0030.00622.32
8.2.100.0090.00317.84
8.2.90.0050.00319.23
8.2.80.0040.00418.04
8.2.70.0040.00417.75
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0000.00818.28
8.2.30.0050.00518.09
8.2.20.0040.00417.84
8.2.10.0020.00517.73
8.2.00.0040.00417.88
8.1.270.0110.00422.18
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0100.00023.84
8.1.230.0070.00719.02
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0060.00317.61
8.1.190.0050.00317.88
8.1.180.0040.00418.10
8.1.170.0110.00018.64
8.1.160.0070.00022.12
8.1.150.0070.00018.59
8.1.140.0080.00017.54
8.1.130.0030.00517.95
8.1.120.0050.00317.52
8.1.110.0000.00717.51
8.1.100.0070.00017.62
8.1.90.0040.00417.53
8.1.80.0000.00717.44
8.1.70.0030.00317.41
8.1.60.0040.00417.60
8.1.50.0030.00517.66
8.1.40.0050.00317.70
8.1.30.0040.00417.56
8.1.20.0050.00317.82
8.1.10.0040.00417.67
8.1.00.0040.00417.74
8.0.300.0040.00418.77
8.0.290.0050.00317.05
8.0.280.0070.00018.44
8.0.270.0040.00417.37
8.0.260.0070.00016.89
8.0.250.0040.00417.01
8.0.240.0050.00217.05
8.0.230.0040.00417.00
8.0.220.0070.00017.00
8.0.210.0030.00316.92
8.0.200.0000.00716.90
8.0.190.0060.00316.89
8.0.180.0040.00416.98
8.0.170.0060.00316.96
8.0.160.0000.00716.96
8.0.150.0050.00316.88
8.0.140.0000.00716.87
8.0.130.0000.00613.38
8.0.120.0000.00816.82
8.0.110.0030.00616.85
8.0.100.0000.00716.83
8.0.90.0040.00416.94
8.0.80.0110.00517.01
8.0.70.0040.00416.94
8.0.60.0040.00416.93
8.0.50.0040.00416.97
8.0.30.0070.01117.04
8.0.20.0120.00717.40
8.0.10.0080.00017.10
8.0.00.0130.00516.87
7.4.330.0000.00515.09
7.4.320.0030.00316.55
7.4.300.0060.00016.57
7.4.290.0030.00316.61
7.4.280.0000.00816.64
7.4.270.0000.00716.55
7.4.260.0080.00016.63
7.4.250.0070.00016.61
7.4.240.0050.00216.54
7.4.230.0000.00716.49
7.4.220.0070.01116.66
7.4.210.0110.00416.56
7.4.200.0030.00316.55
7.4.190.0040.00416.73
7.4.160.0150.00016.54
7.4.150.0140.00317.40
7.4.140.0080.00817.86
7.4.130.0080.00816.69
7.4.120.0100.01016.64
7.4.110.0090.00616.82
7.4.100.0120.00916.66
7.4.90.0090.00916.63
7.4.80.0120.00616.57
7.4.70.0100.00616.46
7.4.60.0070.01316.63
7.4.50.0030.00616.63
7.4.40.0040.01422.77
7.4.30.0120.00616.58
7.4.00.0000.01414.86
7.3.330.0000.00513.18
7.3.320.0050.00013.07
7.3.310.0000.00716.23
7.3.300.0030.00316.36
7.3.290.0140.00716.32
7.3.280.0120.00616.35
7.3.270.0120.00617.40
7.3.260.0030.01516.36
7.3.250.0090.00816.54
7.3.240.0110.01116.48
7.3.230.0090.00916.39
7.3.210.0150.00316.59
7.3.200.0130.00719.39
7.3.190.0120.00516.47
7.3.180.0100.00916.39
7.3.170.0090.00616.48
7.3.160.0030.01316.48
7.3.120.0040.00814.93
7.2.330.0120.00816.73
7.2.320.0100.01316.82
7.2.310.0120.00616.62
7.2.300.0100.00616.69
7.2.290.0090.01216.56
7.2.110.0090.00916.32
7.2.60.0090.00317.07
7.1.200.0110.01115.75
7.1.70.0000.01617.19
7.1.60.0030.02019.29
7.1.50.0170.00716.96
7.1.00.0130.06722.40
7.0.200.0060.00316.58
7.0.140.0070.07022.01
7.0.60.0130.07320.02
7.0.50.0100.07017.81
7.0.40.0030.04719.96
7.0.30.0270.06020.00
7.0.20.0330.08320.09
7.0.10.0330.07020.16
7.0.00.0030.04020.13
5.6.280.0070.07021.06
5.6.210.0130.07020.50
5.6.200.0130.05718.09
5.6.190.0130.08320.39
5.6.180.0000.04020.49
5.6.170.0300.07720.48
5.6.160.0130.07720.32
5.6.150.0070.06018.08
5.6.140.0030.04018.11
5.6.130.0000.04318.18
5.6.120.0100.07721.03
5.6.110.0030.08021.00
5.6.100.0130.08021.07
5.6.90.0070.07721.09
5.6.80.0200.07020.41
5.6.70.0270.07720.49
5.5.350.0030.08720.38
5.5.340.0070.07717.97
5.5.330.0070.07720.23
5.5.320.0030.04720.24
5.5.310.0230.08020.26
5.5.300.0000.06317.95
5.5.290.0070.03717.98
5.5.280.0070.05720.82
5.5.270.0000.05320.72
5.5.260.0030.05720.71
5.5.250.0070.08320.61
5.5.240.0100.04020.18
5.4.450.0430.03319.57
5.4.440.0970.05719.32
5.4.430.0100.05719.41
5.4.420.0970.04719.09
5.4.410.1100.04019.14
5.4.400.0930.06719.30
5.4.390.0730.06718.74
5.4.380.0100.06018.68
5.4.370.0170.05718.52
5.4.360.0030.06018.50
5.4.350.0170.05318.55
5.4.340.0170.05018.50
5.4.320.0070.04312.46
5.4.310.0050.04012.45
5.4.300.0070.04312.45
5.4.290.0060.04312.45
5.4.280.0110.04012.34
5.4.270.0090.03212.35
5.4.260.0050.03812.35
5.4.250.0090.03912.34
5.4.240.0060.04312.34
5.4.230.0080.04512.33
5.4.220.0050.03912.33
5.4.210.0050.03812.33
5.4.200.0060.04012.33
5.4.190.0060.03812.32
5.4.180.0100.03312.32
5.4.170.0020.04112.34
5.4.160.0030.04512.33
5.4.150.0040.03712.32
5.4.140.0050.03712.01
5.4.130.0040.03712.00
5.4.120.0060.03811.96
5.4.110.0050.03811.95
5.4.100.0090.03411.95
5.4.90.0060.04311.95
5.4.80.0100.04511.96
5.4.70.0160.04011.95
5.4.60.0060.03711.95
5.4.50.0080.03511.95
5.4.40.0060.03611.94
5.4.30.0050.03811.93
5.4.20.0060.03511.94
5.4.10.0090.03211.93
5.4.00.0080.03711.42
5.3.290.0060.03912.80
5.3.280.0060.04212.70
5.3.270.0060.03912.73
5.3.260.0110.03912.72
5.3.250.0070.03812.72
5.3.240.0050.03612.71
5.3.230.0050.03812.71
5.3.220.0080.03512.68
5.3.210.0060.03812.68
5.3.200.0080.03512.68
5.3.190.0040.03912.68
5.3.180.0070.03512.67
5.3.170.0070.03812.66
5.3.160.0060.03912.67
5.3.150.0050.04112.67
5.3.140.0060.04012.66
5.3.130.0040.03912.66
5.3.120.0100.03312.65
5.3.110.0010.04212.66
5.3.100.0090.03412.12
5.3.90.0090.03412.08
5.3.80.0070.04012.08
5.3.70.0050.04112.07
5.3.60.0100.03612.06
5.3.50.0030.03812.00
5.3.40.0070.03512.00
5.3.30.0040.03611.95
5.3.20.0080.03311.73
5.3.10.0070.04011.69
5.3.00.0050.03611.67
5.2.170.0020.0339.18
5.2.160.0040.0309.18
5.2.150.0040.0389.18
5.2.140.0060.0339.18
5.2.130.0060.0279.14
5.2.120.0020.0389.14
5.2.110.0050.0329.15
5.2.100.0070.0269.14
5.2.90.0030.0299.14
5.2.80.0080.0279.13
5.2.70.0050.0299.13
5.2.60.0090.0259.09
5.2.50.0050.0329.06
5.2.40.0060.0359.04
5.2.30.0060.0509.01
5.2.20.0030.0299.00
5.2.10.0040.0288.93
5.2.00.0060.0278.79
5.1.60.0020.0268.08
5.1.50.0070.0218.07
5.1.40.0020.0268.06
5.1.30.0060.0248.41
5.1.20.0040.0278.43
5.1.10.0060.0248.16
5.1.00.0020.0278.15
5.0.50.0040.0256.64
5.0.40.0030.0186.48
5.0.30.0070.0286.31
5.0.20.0030.0196.27
5.0.10.0040.0186.25
5.0.00.0040.0296.24
4.4.90.0040.0254.78
4.4.80.0030.0244.75
4.4.70.0080.0164.76
4.4.60.0020.0204.76
4.4.50.0060.0174.77
4.4.40.0040.0284.71
4.4.30.0020.0164.76
4.4.20.0010.0174.85
4.4.10.0040.0144.85
4.4.00.0000.0274.76
4.3.110.0040.0144.66
4.3.100.0010.0164.66
4.3.90.0040.0204.63
4.3.80.0030.0294.58
4.3.70.0030.0154.63
4.3.60.0050.0144.63
4.3.50.0030.0164.63
4.3.40.0090.0344.54
4.3.30.0010.0193.29
4.3.20.0020.0153.27
4.3.10.0020.0213.23
4.3.00.0170.01713.14

preferences:
39.34 ms | 400 KiB | 5 Q