3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_convert_encoding( "The Title", "UTF-8", "foobar" );

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)
8.3.130.0030.00518.29
8.3.120.0110.00419.07
8.3.110.0080.00016.38
8.3.100.0050.00516.66
8.3.90.0040.01118.17
8.3.80.0290.01330.84
8.3.70.0370.00930.84
8.3.60.0290.01130.84
8.3.50.0120.00330.84
8.3.40.0230.00730.84
8.3.30.0260.00930.84
8.3.20.0210.00730.84
8.3.10.0240.00230.84
8.3.00.0260.00530.84
8.2.250.0110.00719.06
8.2.240.0050.00317.23
8.2.230.0090.00620.94
8.2.220.0090.00037.54
8.2.210.0050.00226.77
8.2.200.0260.00730.84
8.2.190.0240.00530.84
8.2.180.0230.00930.84
8.2.170.0400.00230.84
8.2.160.0400.00830.84
8.2.150.0370.00930.84
8.2.140.0330.00330.84
8.2.130.0290.00530.84
8.2.120.0270.00830.84
8.2.110.0340.00430.84
8.2.100.0260.00630.84
8.2.90.0290.00330.84
8.2.80.0240.00830.84
8.2.70.0290.00530.84
8.2.60.0250.00830.84
8.2.50.0300.00330.84
8.2.40.0300.00630.84
8.2.30.0270.00730.84
8.2.20.0250.00530.84
8.2.10.0220.00930.84
8.2.00.0230.00730.84
8.1.300.0050.00516.46
8.1.290.0240.00930.84
8.1.280.0250.00830.84
8.1.270.0260.00930.84
8.1.260.0250.00330.84
8.1.250.0270.00430.84
8.1.240.0230.00430.84
8.1.230.0180.00330.84
8.1.220.0200.00330.84
8.1.210.0190.00830.84
8.1.200.0180.00330.84
8.1.190.0160.00530.84
8.1.180.0160.00430.84
8.1.170.0130.00530.84
8.1.160.0190.00230.84
8.1.150.0150.00630.84
8.1.140.0150.00630.84
8.1.130.0120.00930.84
8.1.120.0170.00430.84
8.1.110.0140.00730.84
8.1.100.0180.00330.84
8.1.90.0150.00530.84
8.1.80.0110.00730.84
8.1.70.0180.00330.84
8.1.60.0200.00430.84
8.1.50.0220.00330.84
8.1.40.0210.00530.84
8.1.30.0280.00530.84
8.1.20.0220.00930.84
8.1.10.0210.01030.84
8.1.00.0210.01030.84
8.0.300.0380.00030.84
8.0.290.0260.00330.84
8.0.280.0270.01130.84
8.0.270.0320.00430.84
8.0.260.0290.00630.84
8.0.250.0330.00730.84
8.0.240.0210.00730.84
8.0.230.0160.00830.84
8.0.220.0320.00030.84
8.0.210.0240.00030.84
8.0.200.0180.00230.84
8.0.190.0080.01230.84
8.0.180.0160.00330.84
8.0.170.0170.00230.84
8.0.160.0150.00430.84
8.0.150.0190.00030.84
8.0.140.0150.00430.84
8.0.130.0100.01030.84
8.0.120.0130.00530.84
8.0.110.0270.00330.84
8.0.100.0230.00430.84
8.0.90.0230.00630.84
8.0.80.0340.00030.84
8.0.70.0360.00730.84
8.0.60.0380.01230.84
8.0.50.0340.00730.84
8.0.30.0330.00630.84
8.0.20.0270.00330.84
8.0.10.0200.00030.84
8.0.00.0110.00030.84
7.4.330.0180.00030.84
7.4.320.0150.00430.84
7.4.300.0180.00030.84
7.4.290.0130.00430.84
7.4.280.0120.00630.84
7.4.270.0090.00930.84
7.4.260.0160.00430.84
7.4.250.0230.00030.84
7.4.240.0140.00530.84
7.4.230.0250.00330.84
7.4.220.0230.01230.84
7.4.210.0280.00730.84
7.4.200.0280.00830.84
7.4.190.0310.00430.84
7.4.180.0280.00830.84
7.4.160.0270.00830.84
7.4.150.0270.00930.84
7.4.140.0360.00030.84
7.4.130.0290.00030.84
7.4.120.0210.00730.84
7.4.110.0120.00630.84
7.4.100.0130.00930.84
7.4.90.0230.00330.84
7.4.80.0130.00630.84
7.4.70.0190.00630.84
7.4.60.0140.00730.84
7.4.50.0200.00030.84
7.4.40.0060.01230.84
7.4.30.0130.00430.84
7.4.20.0160.00330.84
7.4.10.0150.00430.84
7.4.00.0140.00530.84
7.3.330.0190.00430.84
7.3.320.0230.00030.84
7.3.310.0170.00330.84
7.3.300.0110.01130.84
7.3.290.0140.00530.84
7.3.280.0180.00030.84
7.3.270.0200.00230.84
7.3.260.0150.00430.84
7.3.250.0230.00030.84
7.3.240.0190.00330.84
7.3.230.0150.00330.84
7.3.220.0190.00430.84
7.3.210.0210.00030.84
7.3.200.0180.00030.84
7.3.190.0130.00430.84
7.3.180.0200.00330.84
7.3.170.0160.00830.84
7.3.160.0200.00330.84
7.3.150.0100.01030.84
7.3.140.0140.00530.84
7.3.130.0210.00030.84
7.3.120.0140.00730.84
7.3.110.0210.00030.84
7.3.100.0140.00630.84
7.3.90.0170.00730.84
7.3.80.0180.01130.84
7.3.70.0150.01130.84
7.3.60.0240.00330.84
7.3.50.0270.00730.84
7.3.40.0280.00630.84
7.3.30.0240.00630.84
7.3.20.0310.00430.84
7.3.10.0250.00330.84
7.3.00.0190.00430.84
7.2.340.0210.00030.84
7.2.330.0250.00030.84
7.2.320.0260.00430.84
7.2.310.0200.00630.84
7.2.300.0300.00830.84
7.2.290.0310.00430.84
7.2.280.0310.00330.84
7.2.270.0250.00330.84
7.2.260.0240.00430.84
7.2.250.0200.00030.84
7.2.240.0200.00430.84
7.2.230.0160.00830.84
7.2.220.0170.00730.84
7.2.210.0130.00930.84
7.2.200.0210.00330.84
7.2.190.0350.00330.84
7.2.180.0310.00730.84
7.2.170.0300.00730.84
7.2.160.0300.00730.84
7.2.150.0300.01030.84
7.2.140.0390.00730.84
7.2.130.0280.00930.84
7.2.120.0230.01430.84
7.2.110.0350.00330.84
7.2.100.0340.00330.84
7.2.90.0330.00430.84
7.2.80.0340.01130.84
7.2.70.0300.00830.84
7.2.60.0330.00330.84
7.2.50.0250.00430.84
7.2.40.0190.00530.84
7.2.30.0220.00430.84
7.2.20.0270.00330.84
7.2.10.0190.00330.84
7.2.00.0110.00730.84
7.1.330.0160.00630.84
7.1.320.0150.00530.84
7.1.310.0190.00030.84
7.1.300.0220.00030.84
7.1.290.0120.00630.84
7.1.280.0180.00430.84
7.1.270.0190.00030.84
7.1.260.0160.00030.84
7.1.250.0120.00430.84
7.1.240.0080.00830.84
7.1.230.0160.00030.84
7.1.220.0130.00330.84
7.1.210.0160.00030.84
7.1.200.0160.00030.84
7.1.190.0160.00030.84
7.1.180.0120.00630.84
7.1.170.0190.00030.84
7.1.160.0190.00330.84
7.1.150.0180.00730.84
7.1.140.0180.00330.84
7.1.130.0180.00430.84
7.1.120.0170.00030.84
7.1.110.0120.00330.84
7.1.100.0070.00730.84
7.1.90.0160.00030.84
7.1.80.0140.00430.84
7.1.70.0090.00730.84
7.1.60.0100.01030.84
7.1.50.0230.00330.84
7.1.40.0310.00030.84
7.1.30.0310.00030.84
7.1.20.0250.00030.84
7.1.10.0150.00430.84
7.1.00.0190.00030.84
7.0.330.0120.00630.84
7.0.320.0150.00330.84
7.0.310.0140.00630.84
7.0.300.0130.00430.84
7.0.290.0130.00430.84
7.0.280.0190.00030.84
7.0.270.0180.00030.84
7.0.260.0090.00930.84
7.0.250.0140.00630.84
7.0.240.0140.00330.84
7.0.230.0100.00730.84
7.0.220.0160.00330.84
7.0.210.0180.00330.84
7.0.200.0180.00330.84
7.0.190.0220.00030.84
7.0.180.0230.00030.84
7.0.170.0180.00030.84
7.0.160.0120.01230.84
7.0.150.0070.01130.84
7.0.140.0160.00230.84
7.0.130.0180.00030.84
7.0.120.0130.00530.84
7.0.110.0130.00430.84
7.0.100.0110.00730.84
7.0.90.0170.00030.84
7.0.80.0100.00730.84
7.0.70.0170.00030.84
7.0.60.0200.00030.84
7.0.50.0120.00630.84
7.0.40.0130.00330.84
7.0.30.0130.00330.84
7.0.20.0180.00330.84
7.0.10.0090.00930.84
7.0.00.0120.00630.84
5.6.400.0130.00530.84
5.6.390.0130.00730.84
5.6.380.0170.00630.84
5.6.370.0170.00030.84
5.6.360.0160.00430.84
5.6.350.0140.00330.84
5.6.340.0080.00830.84
5.6.330.0210.00030.84
5.6.320.0190.00230.84
5.6.310.0130.00730.84
5.6.300.0190.00030.84
5.6.290.0180.00030.84
5.6.280.0110.00630.84
5.6.270.0150.00330.84
5.6.260.0150.00230.84
5.6.250.0110.00630.84
5.6.240.0080.01130.84
5.6.230.0180.00030.84
5.6.220.0120.00530.84
5.6.210.0160.00030.84
5.6.200.0150.00430.84
5.6.190.0140.00530.84
5.6.180.0190.00030.84
5.6.170.0180.00030.84
5.6.160.0130.00330.84
5.6.150.0140.00430.84
5.6.140.0150.00330.84
5.6.130.0210.00730.84
5.6.120.0150.00330.84
5.6.110.0150.00330.84
5.6.100.0120.00630.84
5.6.90.0150.00430.84
5.6.80.0100.00730.84
5.6.70.0130.00430.84
5.6.60.0140.00530.84
5.6.50.0140.00530.84
5.6.40.0180.00330.84
5.6.30.0180.00330.84
5.6.20.0170.00030.84
5.6.10.0180.00030.84
5.6.00.0100.00730.84
5.5.380.0130.00330.84
5.5.370.0160.00030.84
5.5.360.0170.00030.84
5.5.350.0160.00030.84
5.5.340.0150.00030.84
5.5.330.0120.00430.84
5.5.320.0160.00030.84
5.5.310.0110.00530.84
5.5.300.0160.00030.84
5.5.290.0140.00330.84
5.5.280.0160.00030.84
5.5.270.0110.00430.84
5.5.260.0130.00330.84
5.5.250.0180.00330.84
5.5.240.0130.00630.84
5.5.230.0110.00830.84
5.5.220.0090.00630.84
5.5.210.0100.00530.84
5.5.200.0200.00030.84
5.5.190.0150.00230.84
5.5.180.0150.00330.84
5.5.170.0110.00530.84
5.5.160.0090.00930.84
5.5.150.0130.00330.84
5.5.140.0070.00730.84
5.5.130.0150.00030.84
5.5.120.0100.00530.84
5.5.110.0090.00630.84
5.5.100.0110.00430.84
5.5.90.0120.00330.84
5.5.80.0110.00630.84
5.5.70.0130.00330.84
5.5.60.0290.00030.84
5.5.50.0130.00530.84
5.5.40.0160.00030.84
5.5.30.0110.00430.84
5.5.20.0150.00030.84
5.5.10.0150.00030.84
5.5.00.0110.00330.84
5.4.450.0120.00030.84
5.4.440.0150.00030.84
5.4.430.0150.00030.84
5.4.420.0120.00330.84
5.4.410.0140.00030.84
5.4.400.0140.00030.84
5.4.390.0130.00030.84
5.4.380.0080.00430.84
5.4.370.0120.00030.84
5.4.360.0100.00330.84
5.4.350.0060.00630.84
5.4.340.0060.00630.84
5.4.330.0080.00430.84
5.4.320.0120.00030.84
5.4.310.0040.00830.84
5.4.300.0060.00630.84
5.4.290.0130.00030.84
5.4.280.0110.00330.84
5.4.270.0080.00430.84
5.4.260.0120.00030.84
5.4.250.0150.00030.84
5.4.240.0080.00830.84
5.4.230.0100.00330.84
5.4.220.0140.00030.84
5.4.210.0110.00430.84
5.4.200.0130.00030.84
5.4.190.0110.00430.84
5.4.180.0120.00030.84
5.4.170.0070.00530.84
5.4.160.0110.00030.84
5.4.150.0070.00530.84
5.4.140.0110.00030.84
5.4.130.0070.00430.84
5.4.120.0110.00030.84
5.4.110.0120.00030.84
5.4.100.0060.00630.84
5.4.90.0090.00330.84
5.4.80.0080.00430.84
5.4.70.0130.00330.84
5.4.60.0100.00330.84
5.4.50.0110.00030.84
5.4.40.0120.00030.84
5.4.30.0110.00030.84
5.4.20.0090.00230.84
5.4.10.0080.00430.84
5.4.00.0090.00330.84
5.3.290.0060.00630.84
5.3.280.0090.00530.84
5.3.270.0120.00030.84
5.3.260.0120.00030.84
5.3.250.0080.00530.84
5.3.240.0080.00430.84
5.3.230.0080.00830.84
5.3.220.0100.00530.84
5.3.210.0090.00430.84
5.3.200.0140.00330.84
5.3.190.0140.00330.84
5.3.180.0080.00430.84
5.3.170.0110.00330.84
5.3.160.0150.00030.84
5.3.150.0120.00030.84
5.3.140.0060.00630.84
5.3.130.0120.00030.84
5.3.120.0120.00030.84
5.3.110.0090.00330.84
5.3.100.0140.00330.84
5.3.90.0130.00030.84
5.3.80.0130.00630.84
5.3.70.0080.00630.84
5.3.60.0150.00030.84
5.3.50.0070.00730.84
5.3.40.0100.00530.84
5.3.30.0100.00330.84
5.3.20.0110.00330.84
5.3.10.0090.00330.84
5.3.00.0040.00830.84
5.2.170.0100.00030.84
5.2.160.0100.00030.84
5.2.150.0030.00730.84
5.2.140.0050.00530.84
5.2.130.0100.00030.84
5.2.120.0100.00030.84
5.2.110.0090.00330.84
5.2.100.0080.00430.84
5.2.90.0110.00030.84
5.2.80.0100.00030.84
5.2.70.0050.00530.84
5.2.60.0030.00730.84
5.2.50.0070.00330.84
5.2.40.0070.00430.84
5.2.30.0100.00030.84
5.2.20.0070.00330.84
5.2.10.0060.00330.84
5.2.00.0070.00230.84
5.1.60.0070.00230.84
5.1.50.0090.00030.84
5.1.40.0090.00030.84
5.1.30.0090.00030.84
5.1.20.0070.00230.84
5.1.10.0090.00030.84
5.1.00.0040.00430.84
5.0.50.0000.00730.84
5.0.40.0040.00430.84
5.0.30.0070.00030.84
5.0.20.0070.00030.84
5.0.10.0070.00030.84
5.0.00.0000.00730.84
4.4.90.0000.00430.84
4.4.80.0000.00430.84
4.4.70.0050.00030.84
4.4.60.0000.00430.84
4.4.50.0030.00330.84
4.4.40.0040.00030.84
4.4.30.0050.00030.84
4.4.20.0050.00030.84
4.4.10.0030.00330.84
4.4.00.0000.00430.84
4.3.110.0050.00030.84
4.3.100.0050.00030.84
4.3.90.0040.00030.84
4.3.80.0000.00530.84
4.3.70.0040.00030.84
4.3.60.0000.00430.84
4.3.50.0040.00030.84
4.3.40.0020.00230.84
4.3.30.0040.00030.84
4.3.20.0020.00230.84
4.3.10.0000.00530.84
4.3.00.0050.00030.84

preferences:
29.75 ms | 403 KiB | 5 Q