3v4l.org

run code in 300+ PHP versions simultaneously
<?php mb_substitute_character((int)42); var_dump(mb_convert_encoding("a bad angle bracket \xC0\xBC here", "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)
8.3.70.0190.00318.56
8.3.60.0100.00516.75
8.3.50.0150.00722.05
8.3.40.0050.00918.66
8.3.30.0100.00318.84
8.3.20.0040.00420.05
8.3.10.0050.00323.61
8.3.00.0050.00319.13
8.2.180.0100.00618.29
8.2.170.0070.00722.96
8.2.160.0040.01120.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.01626.16
8.2.120.0020.00522.08
8.2.110.0100.00021.09
8.2.100.0110.00017.91
8.2.90.0050.00319.10
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0060.00318.16
8.2.30.0000.00817.92
8.2.20.0000.00817.48
8.2.10.0070.00317.80
8.2.00.0070.00317.48
8.1.280.0100.00325.92
8.1.270.0040.00423.97
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0110.00621.22
8.1.230.0080.00417.45
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0090.00017.00
8.1.190.0090.00017.00
8.1.180.0050.00518.10
8.1.170.0030.00618.55
8.1.160.0030.00322.01
8.1.150.0000.00818.48
8.1.140.0040.00417.25
8.1.130.0040.00417.79
8.1.120.0050.00217.38
8.1.110.0040.00417.36
8.1.100.0000.00717.23
8.1.90.0040.00417.43
8.1.80.0060.00317.37
8.1.70.0000.00717.40
8.1.60.0000.00917.41
8.1.50.0080.00017.45
8.1.40.0050.00217.38
8.1.30.0030.00617.50
8.1.20.0000.00817.64
8.1.10.0050.00317.38
8.1.00.0080.00017.42
8.0.300.0050.00518.77
8.0.290.0000.00816.75
8.0.280.0070.00018.42
8.0.270.0000.00717.09
8.0.260.0030.00317.18
8.0.250.0040.00416.91
8.0.240.0070.00016.84
8.0.230.0030.00316.82
8.0.220.0080.00016.93
8.0.210.0030.00316.93
8.0.200.0040.00416.93
8.0.190.0000.00816.99
8.0.180.0040.00416.91
8.0.170.0070.00016.82
8.0.160.0040.00416.76
8.0.150.0080.00316.71
8.0.140.0030.00316.70
8.0.130.0000.00513.32
8.0.120.0040.00416.85
8.0.110.0000.00716.88
8.0.100.0000.00716.91
8.0.90.0040.00416.83
8.0.80.0120.00416.93
8.0.70.0050.00316.93
8.0.60.0000.00716.98
8.0.50.0040.00416.77
8.0.30.0070.01216.92
8.0.20.0140.00417.40
8.0.10.0070.00016.88
8.0.00.0120.00716.76
7.4.330.0000.00515.00
7.4.320.0050.00316.55
7.4.300.0060.00016.53
7.4.290.0030.00516.53
7.4.280.0000.00716.46
7.4.270.0030.00316.43
7.4.260.0070.00016.44
7.4.250.0040.00416.48
7.4.240.0030.00316.44
7.4.230.0030.00316.43
7.4.220.0120.00616.53
7.4.210.0110.00516.56
7.4.200.0030.00316.50
7.4.190.0000.00716.49
7.4.160.0060.01316.18
7.4.150.0100.01017.40
7.4.140.0080.01217.86
7.4.130.0080.00816.48
7.4.120.0130.00616.30
7.4.110.0080.00816.45
7.4.100.0050.01116.34
7.4.90.0060.01016.25
7.4.80.0100.01719.39
7.4.70.0100.00616.24
7.4.60.0030.01316.34
7.4.50.0040.00416.38
7.4.40.0110.00422.77
7.4.30.0110.01116.24
7.4.00.0090.00614.89
7.3.330.0000.00613.03
7.3.320.0020.00212.99
7.3.310.0030.00316.34
7.3.300.0070.00016.30
7.3.290.0060.00916.21
7.3.280.0110.00916.33
7.3.270.0170.00017.40
7.3.260.0030.01416.23
7.3.250.0100.00816.20
7.3.240.0170.00716.16
7.3.230.0090.01016.39
7.3.210.0070.01016.12
7.3.200.0100.01016.45
7.3.190.0090.00916.40
7.3.180.0150.00016.30
7.3.170.0040.01716.47
7.3.160.0060.00916.30
7.3.120.0000.01114.46
7.2.330.0060.01216.41
7.2.320.0030.01316.61
7.2.310.0030.01816.45
7.2.300.0060.01016.52
7.2.290.0070.01016.56
7.1.200.0100.00715.89
7.1.70.0030.00516.97
7.1.60.0040.01919.46
7.1.50.0090.01216.72
7.1.00.0030.07722.51
7.0.200.0030.00316.56
7.0.140.0030.07321.99
7.0.60.0100.03319.96
7.0.50.0100.03317.86
7.0.40.0070.05020.25
7.0.30.0570.06720.04
7.0.20.0300.07720.18
7.0.10.0030.05720.19
7.0.00.0130.07720.09
5.6.280.0030.07321.02
5.6.210.0130.05720.46
5.6.200.0170.07318.12
5.6.190.0070.08320.60
5.6.180.3500.04720.57
5.6.170.0270.07720.44
5.6.160.0030.05020.52
5.6.150.0100.08318.11
5.6.140.0030.06018.20
5.6.130.0130.07318.18
5.6.120.0130.03320.89
5.6.110.0000.04321.10
5.6.100.0100.08021.11
5.6.90.0100.09320.98
5.6.80.0030.03720.41
5.6.70.4300.04020.27
5.5.350.0100.07720.39
5.5.340.0070.08318.02
5.5.330.0130.07720.21
5.5.320.0430.03320.34
5.5.310.0200.06320.13
5.5.300.0030.04317.98
5.5.290.0130.03018.02
5.5.280.0130.05320.72
5.5.270.0100.08020.77
5.5.260.0030.04720.75
5.5.250.0100.06720.61
5.5.240.0030.08020.18
5.4.450.0770.07019.26
5.4.440.0170.05719.10
5.4.430.0200.05319.47
5.4.420.0300.04019.31
5.4.410.0100.05318.78
5.4.400.0370.04718.54
5.4.390.0270.05318.63
5.4.380.0200.05018.49
5.4.370.0030.04018.63
5.4.360.0030.04018.56
5.4.350.0070.03511.97
5.4.340.0070.03411.97
5.4.320.0080.03912.45
5.4.310.0070.03812.45
5.4.300.0050.03712.45
5.4.290.0060.03912.45
5.4.280.0060.04312.32
5.4.270.0080.03712.32
5.4.260.0040.04712.32
5.4.250.0080.04612.32
5.4.240.0070.04712.32
5.4.230.0070.04412.31
5.4.220.0080.04012.31
5.4.210.0070.03912.31
5.4.200.0070.04312.31
5.4.190.0130.05212.31
5.4.180.0190.07012.31
5.4.170.0140.06612.32
5.4.160.0130.06612.32
5.4.150.0410.08812.31
5.4.140.0130.08612.00
5.4.130.0130.05311.98
5.4.120.0130.05711.94
5.4.110.0070.05011.94
5.4.100.0120.04711.93
5.4.90.0100.06211.93
5.4.80.0170.05711.94
5.4.70.0050.05411.93
5.4.60.0140.04611.93
5.4.50.0230.05611.93
5.4.40.0110.05011.92
5.4.30.0140.08511.92
5.4.20.0450.09411.92
5.4.10.0230.05311.92
5.4.00.0060.05111.41
5.3.290.0060.04712.80
5.3.280.0100.04812.70
5.3.270.0070.04912.72
5.3.260.0080.04112.72
5.3.250.0120.05012.72
5.3.240.0130.05512.72
5.3.230.0100.04612.70
5.3.220.0070.04512.68
5.3.210.0120.05912.68
5.3.200.0100.05312.68
5.3.190.0150.04612.68
5.3.180.0100.04412.67
5.3.170.0130.05512.67
5.3.160.0080.05912.67
5.3.150.0140.06112.68
5.3.140.0120.07412.66
5.3.130.0110.04012.66
5.3.120.0110.05412.66
5.3.110.0150.05412.66
5.3.100.0050.04212.12
5.3.90.0090.04512.09
5.3.80.0060.03912.07
5.3.70.0120.03512.08
5.3.60.0100.04612.07
5.3.50.0110.03512.00
5.3.40.0070.04112.00
5.3.30.0090.03511.94
5.3.20.0070.03811.70
5.3.10.0050.03811.67
5.3.00.0070.04011.65
5.2.170.0060.0349.15
5.2.160.0040.0329.15
5.2.150.0090.0439.15
5.2.140.0090.0429.15
5.2.130.0100.0459.11
5.2.120.0090.0329.11
5.2.110.0100.0319.12
5.2.100.0050.0379.11
5.2.90.0070.0509.11
5.2.80.0080.0339.11
5.2.70.0070.0309.10
5.2.60.0080.0399.05
5.2.50.0090.0509.03
5.2.40.0060.0379.00
5.2.30.0080.0348.98
5.2.20.0110.0298.96
5.2.10.0050.0358.89
5.2.00.0070.0328.75
5.1.60.0050.0388.05
5.1.50.0100.0238.04
5.1.40.0080.0308.03
5.1.30.0040.0318.37
5.1.20.0090.0388.40
5.1.10.0080.0418.13
5.1.00.0040.0368.12
5.0.50.0100.0296.59
5.0.40.0060.0256.46
5.0.30.0090.0386.27
5.0.20.0040.0356.24
5.0.10.0090.0266.22
5.0.00.0080.0406.21
4.4.90.0030.0234.77
4.4.80.0050.0244.75
4.4.70.0060.0194.75
4.4.60.0040.0234.75
4.4.50.0040.0174.77
4.4.40.0020.0274.71
4.4.30.0030.0174.76
4.4.20.0050.0154.84
4.4.10.0090.0124.85
4.4.00.0060.0234.76
4.3.110.0050.0204.67
4.3.100.0060.0234.66
4.3.90.0070.0244.64
4.3.80.0050.0524.59
4.3.70.0030.0244.63
4.3.60.0030.0234.63
4.3.50.0040.0274.63
4.3.40.0040.0314.54
4.3.30.0030.0193.27
4.3.20.0040.0233.25
4.3.10.0030.0233.21
4.3.00.0100.0278.54

preferences:
80.6 ms | 401 KiB | 5 Q