3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_internal_encoding('ISO8859-1')); var_dump(mb_internal_encoding());

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)
8.3.70.0090.00616.63
8.3.60.0130.00318.30
8.3.50.0130.00716.33
8.3.40.0170.00318.45
8.3.30.0000.01518.46
8.3.20.0030.00521.79
8.3.10.0040.00420.04
8.3.00.0050.00320.58
8.2.190.0120.00916.58
8.2.180.0070.00718.53
8.2.170.0110.00422.96
8.2.160.0130.00322.18
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0090.00020.73
8.2.100.0110.00017.84
8.2.90.0030.00517.75
8.2.80.0080.00018.77
8.2.70.0060.00317.63
8.2.60.0080.00017.63
8.2.50.0030.00617.93
8.2.40.0040.00417.91
8.2.30.0000.00717.72
8.2.20.0080.00017.98
8.2.10.0050.00219.29
8.2.00.0020.00519.12
8.1.280.0110.00325.92
8.1.270.0080.00020.76
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0090.00021.09
8.1.230.0030.00718.98
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0050.00317.35
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0000.00817.62
8.1.160.0000.00918.84
8.1.150.0070.00018.93
8.1.140.0000.00822.25
8.1.130.0070.00020.30
8.1.120.0030.00617.50
8.1.110.0020.00517.43
8.1.100.0040.00417.46
8.1.90.0050.00317.41
8.1.80.0060.00317.46
8.1.70.0000.00717.48
8.1.60.0040.00417.57
8.1.50.0050.00317.48
8.1.40.0030.00517.45
8.1.30.0000.00817.54
8.1.20.0000.00817.50
8.1.10.0000.00817.39
8.1.00.0040.00417.49
8.0.300.0000.00719.73
8.0.290.0000.00716.63
8.0.280.0030.00317.93
8.0.270.0040.00417.84
8.0.260.0030.00319.99
8.0.250.0000.00716.85
8.0.240.0000.00816.71
8.0.230.0000.00616.86
8.0.220.0030.00316.84
8.0.210.0030.00316.75
8.0.200.0000.00716.80
8.0.190.0070.00016.77
8.0.180.0050.00316.80
8.0.170.0050.00516.71
8.0.160.0040.00416.71
8.0.150.0040.00416.83
8.0.140.0070.00016.79
8.0.130.0030.00313.31
8.0.120.0000.00716.72
8.0.110.0000.00716.70
8.0.100.0050.00216.82
8.0.90.0000.00916.69
8.0.80.0080.00816.88
8.0.70.0000.00716.79
8.0.60.0040.00416.82
8.0.50.0040.00416.94
8.0.30.0070.01117.10
8.0.20.0100.00717.04
8.0.10.0040.00416.82
8.0.00.0120.00616.51
7.4.330.0020.00215.55
7.4.320.0030.00516.43
7.4.300.0030.00316.44
7.4.290.0070.00016.41
7.4.280.0030.00416.40
7.4.270.0000.00716.48
7.4.260.0000.00513.14
7.4.250.0040.00416.39
7.4.240.0050.00316.48
7.4.230.0070.00016.51
7.4.220.0060.00216.44
7.4.210.0060.01516.47
7.4.200.0030.00516.52
7.4.130.0130.01416.57
7.4.120.0130.00616.66
7.4.110.0100.01316.57
7.4.100.0110.00716.33
7.4.90.0040.01516.45
7.4.80.0110.00619.39
7.4.70.0130.00416.62
7.4.60.0070.01016.59
7.4.50.0040.01516.21
7.4.40.0040.01516.38
7.4.10.0060.01314.83
7.4.00.0090.00814.94
7.3.330.0000.00716.31
7.3.320.0000.00613.07
7.3.310.0030.00316.37
7.3.300.0000.00716.16
7.3.290.0080.00916.27
7.3.280.0030.01016.22
7.3.260.0140.00616.47
7.3.240.0110.00816.39
7.3.230.0090.00916.38
7.3.210.0090.00616.47
7.3.200.0100.01016.36
7.3.190.0060.00916.23
7.3.180.0100.00616.43
7.3.170.0090.01316.34
7.3.160.0060.01016.23
7.3.130.0120.00814.52
7.3.120.0070.01114.64
7.3.110.0080.00714.78
7.3.100.0100.00314.61
7.3.90.0080.00814.68
7.3.80.0060.00814.86
7.3.70.0040.00914.72
7.3.60.0060.01014.73
7.3.50.0090.00514.62
7.3.40.0060.00614.57
7.3.30.0030.01014.58
7.3.20.0090.00716.00
7.3.10.0060.00815.94
7.3.00.0030.01015.81
7.2.330.0070.01016.50
7.2.320.0060.01016.56
7.2.310.0090.00816.29
7.2.300.0120.00916.24
7.2.290.0120.00316.65
7.2.260.0070.01014.77
7.2.250.0080.01114.92
7.2.240.0050.01114.76
7.2.230.0080.01014.90
7.2.220.0050.01214.84
7.2.210.0040.01014.98
7.2.200.0060.00414.85
7.2.190.0030.01014.95
7.2.180.0050.00814.81
7.2.170.0060.00614.78
7.2.160.0030.01214.77
7.2.150.0070.01016.71
7.2.140.0000.00916.51
7.2.130.0060.00916.46
7.2.120.0070.01016.73
7.2.110.0090.00616.53
7.2.100.0060.00316.70
7.2.90.0090.00616.67
7.2.80.0030.01316.66
7.2.70.0030.00916.76
7.2.60.0140.00016.79
7.2.50.0040.00716.84
7.2.40.0040.00816.86
7.2.30.0000.01216.91
7.2.20.0030.01016.82
7.2.10.0030.01016.50
7.2.00.0090.00917.01
7.1.330.0060.01214.83
7.1.320.0080.00614.93
7.1.310.0080.00814.89
7.1.300.0030.00914.78
7.1.290.0060.00814.70
7.1.280.0060.00814.90
7.1.270.0060.00814.92
7.1.260.0060.00614.84

preferences:
22.77 ms | 401 KiB | 5 Q