3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding('test', 'ISO-8859-1', '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)
8.5.00.0110.01019.63
8.4.150.0020.00014.05
8.4.140.0100.01217.67
8.4.130.0100.01018.65
8.4.120.0130.00623.97
8.4.110.0150.00518.48
8.4.100.0120.00818.85
8.4.90.0100.00920.38
8.4.80.0050.00318.44
8.4.70.0050.01417.73
8.4.60.0080.01018.76
8.4.50.0130.00320.25
8.4.40.0060.00918.61
8.4.30.0120.00618.86
8.4.20.0050.00319.65
8.4.10.0040.00419.42
8.3.280.0130.00620.05
8.3.270.0110.00816.39
8.3.260.0130.00716.50
8.3.250.0110.00518.70
8.3.240.0120.00717.14
8.3.230.0050.00316.66
8.3.220.0050.00318.64
8.3.210.0130.00816.50
8.3.200.0050.00416.46
8.3.190.0120.00817.25
8.3.180.0090.00616.87
8.3.170.0110.00718.75
8.3.160.0120.00616.75
8.3.150.0120.00317.25
8.3.140.0160.00316.36
8.3.130.0060.00318.15
8.3.120.0060.01318.75
8.3.110.0040.01218.43
8.3.100.0060.01024.06
8.3.90.0050.00326.77
8.3.80.0030.00716.50
8.3.70.0140.00716.58
8.3.60.0070.01018.16
8.3.50.0100.00821.02
8.3.40.0390.00917.38
8.3.30.0330.01017.23
8.3.20.0220.00717.46
8.3.10.0280.00817.13
8.3.00.0350.00817.25
8.2.290.0080.00920.38
8.2.280.0120.00618.43
8.2.270.0070.00717.14
8.2.260.0030.00718.94
8.2.250.0000.00816.57
8.2.240.0060.00319.09
8.2.230.0000.00920.94
8.2.220.0050.00337.54
8.2.210.0070.00026.77
8.2.200.0070.00316.73
8.2.190.0120.00616.63
8.2.180.0260.00716.36
8.2.170.0320.01617.63
8.2.160.0510.00317.63
8.2.150.0480.00317.38
8.2.140.0370.01517.25
8.2.130.0310.00917.25
8.2.120.0360.01017.63
8.2.110.0380.00617.61
8.2.100.0370.01017.50
8.2.90.0410.00817.50
8.2.80.0470.01017.50
8.2.70.0440.00617.50
8.2.60.0110.01117.50
8.2.50.0270.01117.50
8.2.40.0250.00717.37
8.2.30.0240.01217.11
8.2.20.0310.01017.25
8.2.10.0290.00917.25
8.2.00.0290.00617.23
8.1.330.0090.00921.86
8.1.320.0140.00617.95
8.1.310.0140.00316.12
8.1.300.0060.00318.21
8.1.290.0030.00630.84
8.1.280.0110.00725.92
8.1.270.0300.00817.13
8.1.260.0270.00617.25
8.1.250.0230.01217.12
8.1.240.0300.00417.13
8.1.230.0200.00816.88
8.1.220.0210.01217.10
8.1.210.0190.01016.87
8.1.200.0220.01117.00
8.1.190.0130.01617.00
8.1.180.0220.01017.10
8.1.170.0250.00417.47
8.1.160.0190.01217.13
8.1.150.0250.00617.23
8.1.140.0180.01217.00
8.1.130.0310.00017.13
8.1.120.0250.00717.00
8.1.110.0220.01117.13
8.1.100.0230.01217.00
8.1.90.0190.00817.00
8.1.80.0090.01419.13
8.1.70.0220.00017.09
8.1.60.0130.01317.25
8.1.50.0230.00017.34
8.1.40.0170.00717.25
8.1.30.0130.00917.36
8.1.20.0170.00717.25
8.1.10.0300.00017.25
8.1.00.0120.01217.22

preferences:
28.43 ms | 403 KiB | 5 Q