3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_substitute_character(ord('?')); var_dump(mb_convert_encoding(chr(190), 'UTF-8', 'UTF-8'));

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)
8.3.60.0090.00918.31
8.3.50.0070.00921.08
8.3.40.0140.00718.57
8.3.30.0100.00718.97
8.3.20.0040.00420.34
8.3.10.0050.00322.09
8.3.00.0000.00720.52
8.2.180.0090.00616.50
8.2.170.0070.00722.96
8.2.160.0070.00718.91
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0070.00726.16
8.2.120.0000.00819.55
8.2.110.0070.00322.14
8.2.100.0060.00617.72
8.2.90.0040.00417.63
8.2.80.0040.00417.97
8.2.70.0050.00317.93
8.2.60.0000.00917.68
8.2.50.0050.00318.10
8.2.40.0070.00020.40
8.2.30.0000.00717.91
8.2.20.0040.00417.57
8.2.10.0000.00717.55
8.2.00.0040.00417.42
8.1.280.0090.00925.92
8.1.270.0040.00418.50
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.07
8.1.230.0040.00719.13
8.1.220.0080.00017.74
8.1.210.0000.00718.77
8.1.200.0050.00517.11
8.1.190.0050.00317.23
8.1.180.0040.00718.10
8.1.170.0040.00418.60
8.1.160.0040.00421.99
8.1.150.0070.00018.53
8.1.140.0070.00017.28
8.1.130.0030.00617.75
8.1.120.0000.00717.39
8.1.110.0050.00317.38
8.1.100.0030.00317.32
8.1.90.0070.00017.31
8.1.80.0080.00017.39
8.1.70.0000.00817.36
8.1.60.0070.00417.50
8.1.50.0040.00417.35
8.1.40.0060.00317.34
8.1.30.0060.00317.50
8.1.20.0000.00817.46
8.1.10.0000.00817.34
8.1.00.0080.00017.38
8.0.300.0030.00319.73
8.0.290.0020.00516.75
8.0.280.0000.00818.38
8.0.270.0000.00717.14
8.0.260.0080.00016.66
8.0.250.0030.00316.79
8.0.240.0080.00016.79
8.0.230.0000.00716.83
8.0.220.0030.00316.71
8.0.210.0000.00716.70
8.0.200.0060.00016.91
8.0.190.0000.00816.87
8.0.180.0000.00816.73
8.0.170.0000.00816.82
8.0.160.0050.00316.74
8.0.150.0040.00316.73
8.0.140.0070.00016.76
8.0.130.0050.00013.25
8.0.120.0000.00816.68
8.0.110.0040.00416.64
8.0.100.0040.00416.93
8.0.90.0030.00316.68
8.0.80.0170.00316.81
8.0.70.0000.00716.68
8.0.60.0050.00316.80
8.0.50.0000.00816.72
8.0.30.0070.01217.06
8.0.20.0050.01817.40
8.0.10.0050.00316.86
8.0.00.0100.01016.48
7.4.330.0020.00215.00
7.4.320.0070.00016.51
7.4.300.0030.00316.58
7.4.290.0040.00716.38
7.4.280.0000.00616.56
7.4.270.0000.00716.52
7.4.260.0030.00316.56
7.4.250.0030.00316.33
7.4.240.0030.00316.46
7.4.230.0000.00716.63
7.4.220.0100.01616.46
7.4.210.0120.00316.46
7.4.200.0000.00716.54
7.4.190.0030.00316.42
7.4.160.0030.01616.51
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0130.00416.41
7.4.120.0100.00916.39
7.4.110.0060.01116.49
7.4.100.0180.00616.34
7.4.90.0030.02016.33
7.4.80.0040.01519.39
7.4.70.0140.00316.24
7.4.60.0060.01016.48
7.4.50.0030.00616.40
7.4.40.0050.00522.77
7.4.30.0030.01216.33
7.4.00.0060.00914.83
7.3.330.0050.00013.03
7.3.320.0070.00013.11
7.3.310.0040.00416.28
7.3.300.0070.00016.23
7.3.290.0070.00716.25
7.3.280.0110.00816.21
7.3.270.0170.00717.40
7.3.260.0110.00616.55
7.3.250.0120.00716.19
7.3.240.0100.00716.14
7.3.230.0070.01016.45
7.3.210.0090.01216.02
7.3.200.0140.00319.39
7.3.190.0140.00716.48
7.3.180.0070.01016.27
7.3.170.0030.01216.45
7.3.160.0100.00716.14
7.3.120.0070.01014.57
7.3.10.0070.00716.39
7.3.00.0070.00716.48
7.2.330.0100.01016.21
7.2.320.0070.01516.46
7.2.310.0070.01016.43
7.2.300.0070.01016.23
7.2.290.0100.01316.40
7.2.130.0030.00516.69
7.2.120.0040.00816.69
7.2.110.0070.00716.66
7.2.100.0070.00716.55
7.2.90.0040.01116.74
7.2.80.0060.00916.70
7.2.70.0030.00516.84
7.2.60.0050.01016.68
7.2.50.0040.01216.79
7.2.40.0070.00316.44
7.2.30.0000.01416.72
7.2.20.0100.00316.52
7.2.10.0000.01016.53
7.2.00.0060.00917.96
7.1.250.0090.00315.82
7.1.200.0100.01015.06
7.1.100.0040.00818.05
7.1.70.0030.01016.72
7.1.60.0070.01719.82
7.1.50.0100.01017.02
7.1.00.0030.07322.31
7.0.200.0000.00716.70
7.0.140.0070.07022.00
7.0.100.0070.08319.93
7.0.90.0030.07719.84
7.0.80.0130.07020.01
7.0.70.0130.04319.94
7.0.60.0070.05019.91
7.0.50.0100.04720.31
7.0.40.0100.08320.07
7.0.30.0100.08320.19
7.0.20.0130.07320.04
7.0.10.0070.07020.11
7.0.00.0100.06020.10
5.6.280.0130.06320.86
5.6.250.0130.06720.59
5.6.240.0070.07720.59
5.6.230.0100.08320.68
5.6.220.0070.07720.65
5.6.210.0000.07320.57
5.6.200.0100.07321.04
5.6.190.0070.07021.17
5.6.180.0100.07721.07
5.6.170.0170.08021.03
5.6.160.0070.07720.95
5.6.150.0070.08321.02
5.6.140.0100.07021.04
5.6.130.0130.07721.07
5.6.120.0070.07721.05
5.6.110.0100.07321.15
5.6.100.0100.06321.02
5.6.90.0030.08020.98
5.6.80.0030.07020.54
5.6.70.0100.06720.50
5.6.60.0100.06320.39
5.6.50.0130.06320.33
5.6.40.0070.08320.39
5.6.30.0000.05020.31
5.6.20.0100.08020.45
5.6.10.0070.07320.46
5.6.00.0030.06020.43
5.5.380.0100.07720.34
5.5.370.0100.06320.36
5.5.360.0130.06320.39
5.5.350.0130.06020.37
5.5.340.0070.08020.64
5.5.330.0030.08020.72
5.5.320.0100.07720.92
5.5.310.0000.07720.86
5.5.300.0070.08320.87
5.5.290.0070.05720.72
5.5.280.0070.08320.80
5.5.270.0030.05320.87
5.5.260.0130.08020.90
5.5.250.0130.05020.60
5.5.240.0000.04720.23
5.5.230.0000.08720.17
5.5.220.0170.05720.28
5.5.210.0070.07720.28
5.5.200.0070.05320.13
5.5.190.0100.07720.22
5.5.180.0030.07020.23
5.5.160.0070.07020.11
5.5.150.0170.06720.26
5.5.140.0070.07320.07
5.5.130.0130.06720.22
5.5.120.0000.09020.07
5.5.110.0070.08020.17
5.5.100.0070.05320.09
5.5.90.0030.07720.05
5.5.80.0100.06320.16
5.5.70.0000.07320.05
5.5.60.0100.05720.08
5.5.50.0000.07019.91
5.5.40.0170.07319.95
5.5.30.0130.07320.10
5.5.20.0000.08720.08
5.5.10.0070.08020.01
5.5.00.0170.06720.06
5.4.450.0130.07719.56
5.4.440.0030.08319.44
5.4.430.0030.05019.55
5.4.420.0100.08019.43
5.4.410.0070.05319.28
5.4.400.0100.07318.96
5.4.390.0070.08318.94
5.4.380.0100.07319.05
5.4.370.0000.07019.03
5.4.360.0070.06718.79
5.4.350.0100.04318.96
5.4.340.0070.08319.06
5.4.320.0200.06319.23
5.4.310.0130.06319.03
5.4.300.0030.07719.02
5.4.290.0170.05319.11
5.4.280.0030.08319.02
5.4.270.0100.06718.89
5.4.260.0000.06319.14
5.4.250.0000.08019.11
5.4.240.0030.08318.94
5.4.230.0130.06719.02
5.4.220.0100.06319.09
5.4.210.0070.04719.14
5.4.200.0030.06719.02
5.4.190.0100.06719.21
5.4.180.0070.07718.99
5.4.170.0200.06319.03
5.4.160.0130.06719.01
5.4.150.0130.06319.12
5.4.140.0070.06316.27
5.4.130.0070.07316.32
5.4.120.0070.07316.07
5.4.110.0070.07016.43
5.4.100.0130.05316.26
5.4.90.0030.07016.36
5.4.80.0030.04016.19
5.4.70.0030.06016.30
5.4.60.0030.05316.32
5.4.50.0070.04016.41
5.4.40.0070.07016.36
5.4.30.0070.04316.20
5.4.20.0070.03716.38
5.4.10.0100.06716.18
5.4.00.0070.06715.77
5.3.290.0100.03714.66
5.3.280.0030.07714.59
5.3.270.0070.04314.46
5.3.260.0030.07314.50
5.3.250.0070.04314.45
5.3.240.0100.07314.61
5.3.230.0070.07014.53
5.3.220.0030.07314.55
5.3.210.0030.07014.42
5.3.200.0100.06714.57
5.3.190.0000.08014.43
5.3.180.0100.07714.41
5.3.170.0070.04014.54
5.3.160.0000.04714.53
5.3.150.0100.06014.52
5.3.140.0030.07314.41
5.3.130.0070.07014.55
5.3.120.0000.08314.40
5.3.110.0130.03314.40
5.3.100.0130.06713.97
5.3.90.0130.06713.88
5.3.80.0130.06313.95
5.3.70.0130.06714.02
5.3.60.0070.04014.00
5.3.50.0030.07713.71
5.3.40.0070.07313.90
5.3.30.0100.05013.88
5.3.20.0030.07313.45
5.3.10.0070.06713.53
5.3.00.0000.04713.62
5.2.170.0030.05312.33
5.2.160.0030.04012.33
5.2.150.0070.06012.33
5.2.140.0000.06312.33
5.2.130.0030.06012.33
5.2.120.0030.06312.33
5.2.110.0070.05312.33
5.2.100.0030.05012.33
5.2.90.0070.04712.33
5.2.80.0100.03012.33
5.2.70.0130.02712.33
5.2.60.0030.06312.33
5.2.50.0000.03712.33
5.2.40.0030.05012.33
5.2.30.0000.03712.33
5.2.20.0000.06012.33
5.2.10.0030.03712.33
5.2.00.0030.05312.33
5.1.60.0000.05712.33
5.1.50.0030.05712.33
5.1.40.0100.04012.33
5.1.30.0100.05012.33
5.1.20.0000.05712.33
5.1.10.0030.05312.33
5.1.00.0030.05312.33
5.0.50.0000.03312.33
5.0.40.0000.04012.33
5.0.30.0000.03712.33
5.0.20.0070.04012.33
5.0.10.0070.04012.33
5.0.00.0030.05312.33
4.4.90.0030.03312.33
4.4.80.0000.03712.33
4.4.70.0000.03312.33
4.4.60.0030.03312.33
4.4.50.0000.03712.33
4.4.40.0070.04712.33
4.4.30.0000.03012.33
4.4.20.0000.03712.33
4.4.10.0070.01712.33
4.4.00.0000.03012.33
4.3.110.0030.03312.33
4.3.100.0030.03012.33
4.3.90.0000.03712.33
4.3.80.0030.03312.33
4.3.70.0070.02712.33
4.3.60.0130.01712.33
4.3.50.0000.02712.33
4.3.40.0030.05012.33
4.3.30.0030.03712.33
4.3.20.0030.01712.33
4.3.10.0000.03312.33
4.3.00.0000.03312.33

preferences:
35.32 ms | 401 KiB | 5 Q