3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(mb_substitute_character(0));

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)
8.5.90.0090.00517.60
8.5.80.0060.00217.50
8.5.70.0040.00516.49
8.5.60.0080.00417.43
8.5.50.0040.00416.34
8.5.40.0040.00518.37
8.5.30.0090.00417.92
8.5.20.0090.00518.03
8.5.10.0070.00516.40
8.5.00.0100.00818.03
8.4.240.0100.00920.37
8.4.230.0080.00720.28
8.4.220.0080.00920.32
8.4.210.0100.00619.29
8.4.200.0110.00521.18
8.4.190.0120.00319.62
8.4.180.0120.00819.48
8.4.170.0120.00719.47
8.4.160.0090.01021.76
8.4.150.0080.00517.77
8.4.140.0130.00617.34
8.4.130.0050.00517.45
8.4.120.0080.00819.06
8.4.110.0070.00418.24
8.4.100.0070.00517.38
8.4.90.0080.00817.56
8.4.80.0060.00520.92
8.4.70.0090.00817.63
8.4.60.0100.00717.43
8.4.50.0140.00718.01
8.4.40.0110.00917.39
8.4.30.0110.00518.96
8.4.20.0080.00817.58
8.4.10.0040.00519.26
8.3.330.0090.00719.17
8.3.320.0050.00719.10
8.3.310.0070.00719.20
8.3.300.0100.01020.06
8.3.290.0110.00820.43
8.3.280.0070.00819.15
8.3.270.0100.00417.40
8.3.260.0040.00517.30
8.3.250.0100.00518.70
8.3.240.0080.00717.33
8.3.230.0120.00517.42
8.3.220.0070.00816.90
8.3.210.0090.00616.64
8.3.200.0070.00316.52
8.3.190.0050.00417.35
8.3.180.0080.00617.46
8.3.170.0070.00118.69
8.3.160.0090.00517.45
8.3.150.0050.00617.63
8.3.140.0120.00317.34
8.3.130.0040.00617.22
8.3.120.0080.00517.66
8.3.110.0090.00318.75
8.3.100.0060.00420.23
8.3.90.0050.00522.59
8.3.80.0030.00617.58
8.3.70.0110.00317.23
8.3.60.0110.00518.18
8.3.50.0130.00421.28
8.3.40.0130.00119.26
8.3.30.0090.00719.08
8.3.20.0060.00320.56
8.3.10.0040.00420.81
8.3.00.0080.00121.57
8.2.330.0060.00419.60
8.2.320.0080.00817.83
8.2.310.0090.00617.80
8.2.300.0120.00820.02
8.2.290.0100.00718.32
8.2.280.0100.00717.37
8.2.270.0090.01117.67
8.2.260.0090.00916.37
8.2.250.0090.00416.74
8.2.240.0090.00416.54
8.2.230.0080.00520.25
8.2.220.0090.00326.98
8.2.210.0100.00221.55
8.2.200.0070.00517.34
8.2.190.0130.00616.46
8.2.180.0110.00416.36
8.2.170.0150.00420.34
8.2.160.0150.00319.40
8.2.150.0130.00720.88
8.2.140.0150.00621.20
8.2.130.0200.00821.82
8.2.120.0190.00618.65
8.2.110.0160.00919.76
8.2.100.0140.00717.67
8.2.90.0150.00617.67
8.2.80.0170.00618.22
8.2.70.0180.00517.72
8.2.60.0120.00517.75
8.2.50.0160.00618.37
8.2.40.0180.00619.25
8.2.30.0160.00918.26
8.2.20.0160.00617.78
8.2.10.0140.00518.21
8.2.00.0160.00818.49
8.1.340.0150.00717.28
8.1.330.0120.00516.32
8.1.320.0130.00615.89
8.1.310.0090.00417.22
8.1.300.0090.00418.06
8.1.290.0120.00123.30
8.1.280.0070.01021.01
8.1.270.0090.00420.51
8.1.260.0100.00321.88
8.1.250.0060.00322.73
8.1.240.0060.00518.34
8.1.230.0050.00618.25
8.1.220.0040.00717.50
8.1.210.0040.00517.96
8.1.200.0060.00518.12
8.1.190.0080.00417.22
8.1.180.0060.00418.18
8.1.170.0060.00617.89
8.1.160.0080.00418.98
8.1.150.0060.00318.96
8.1.140.0100.00718.99
8.1.130.0060.00618.83
8.1.120.0040.00617.41
8.1.110.0050.00417.43
8.1.100.0070.00818.25
8.1.90.0050.00818.19
8.1.80.0080.00317.36
8.1.70.0090.00418.21
8.1.60.0070.00318.42
8.1.50.0050.00617.42
8.1.40.0050.00517.51
8.1.30.0050.00517.57
8.1.20.0070.00318.40
8.1.10.0050.00518.31
8.1.00.0020.00718.26
8.0.300.0050.00518.62
8.0.290.0050.00417.65
8.0.280.0040.00418.44
8.0.270.0020.00617.53
8.0.260.0050.00419.16
8.0.250.0040.00316.85
8.0.240.0030.00517.71
8.0.230.0030.00617.73
8.0.220.0040.00516.75
8.0.210.0080.00416.62
8.0.200.0090.00216.75
8.0.190.0070.00516.75
8.0.180.0070.00616.69
8.0.170.0130.00516.74
8.0.160.0130.00816.68
8.0.150.0130.00417.59
8.0.140.0090.00317.74
8.0.130.0080.00314.97
8.0.120.0020.00717.73
8.0.110.0050.00417.68
8.0.100.0030.00517.63
8.0.90.0040.00417.59
8.0.80.0060.00817.37
8.0.70.0020.00617.67
8.0.60.0050.00317.67
8.0.50.0030.00617.54
8.0.30.0100.00617.79
8.0.20.0100.00617.50
8.0.10.0030.00517.73
8.0.00.0060.00717.61
7.4.330.0020.00317.01
7.4.320.0060.00217.38
7.4.300.0040.00317.27
7.4.290.0020.00617.37
7.4.280.0060.00217.22
7.4.270.0010.00617.41
7.4.260.0030.00315.82
7.4.250.0030.00417.34
7.4.240.0060.00217.04
7.4.230.0030.00517.31
7.4.220.0070.00216.44
7.4.210.0070.00716.90
7.4.200.0030.00517.42
7.4.190.0050.00418.35
7.4.180.0040.00518.29
7.4.160.0060.00416.38
7.4.150.0060.00316.40
7.4.140.0060.00318.27
7.4.130.0060.00916.83
7.4.120.0080.00517.21
7.4.110.0080.00616.34
7.4.100.0070.00617.22
7.4.90.0100.00417.31
7.4.80.0090.00818.67
7.4.70.0060.00917.31
7.4.60.0090.00517.16
7.4.50.0080.00517.23
7.4.40.0040.01016.25
7.4.30.0080.00516.32
7.4.20.0070.00616.39
7.4.10.0100.00716.38
7.4.00.0080.00516.30
7.3.330.0030.00616.19
7.3.320.0030.00414.72
7.3.310.0050.00516.33
7.3.300.0050.00317.29
7.3.290.0100.00516.28
7.3.280.0070.00616.31
7.3.270.0040.00516.62
7.3.260.0050.00717.25
7.3.250.0140.00416.20
7.3.240.0080.00118.42
7.3.230.0080.00716.36
7.3.220.0040.00516.43
7.3.210.0110.00516.30
7.3.200.0090.00416.34
7.3.190.0070.00517.16
7.3.180.0040.00816.30
7.3.170.0060.00616.39
7.3.160.0080.00416.30
7.3.150.0100.00616.24
7.3.140.0110.00416.39
7.3.130.0050.00816.34
7.3.120.0080.00616.34
7.3.110.0100.00316.19
7.3.100.0070.00616.30
7.3.90.0050.00716.51
7.3.80.0110.00216.17
7.3.70.0080.00516.35
7.3.60.0090.00516.37
7.3.50.0120.00116.21
7.3.40.0060.00716.29
7.3.30.0090.00416.35
7.3.20.0190.00317.27
7.3.10.0060.01017.11
7.3.00.0110.00217.25
7.2.340.0040.00418.16
7.2.330.0160.00816.13
7.2.320.0180.00616.14
7.2.310.0150.00816.43
7.2.300.0180.00716.32
7.2.290.0140.01016.23
7.2.280.0160.00916.24
7.2.270.0180.00816.26
7.2.260.0200.00616.47
7.2.250.0180.00716.36
7.2.240.0150.00816.21
7.2.230.0200.00716.27
7.2.220.0140.01116.34
7.2.210.0160.00716.26
7.2.200.0130.00716.34
7.2.190.0150.01116.17
7.2.180.0090.01116.26
7.2.170.0150.00816.34
7.2.160.0160.00516.42
7.2.150.0100.00617.34
7.2.140.0160.00717.18
7.2.130.0200.00517.36
7.2.120.0120.00617.31
7.2.110.0100.00817.22
7.2.100.0140.00917.30
7.2.90.0140.00717.32
7.2.80.0170.00917.46
7.2.70.0140.00617.39
7.2.60.0140.00717.33
7.2.50.0190.00817.37
7.2.40.0110.01217.32
7.2.30.0110.00917.40
7.2.20.0120.00917.26
7.2.10.0120.00617.46
7.2.00.0060.01017.34

preferences:
108.28 ms | 1595 KiB | 5 Q