3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo iconv('utf-8', 'ISO-8859-1', 'TEST');

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)
8.5.00.0120.01019.75
8.4.150.0000.00214.05
8.4.140.0120.01017.54
8.4.130.0100.01018.55
8.4.120.0110.00618.72
8.4.110.0040.00418.83
8.4.100.0110.00917.63
8.4.90.0110.00720.36
8.4.80.0140.00518.76
8.4.70.0120.00718.66
8.4.60.0140.00720.31
8.4.50.0130.00618.55
8.4.40.0030.01418.60
8.4.30.0050.00318.60
8.4.20.0070.01319.83
8.4.10.0100.01019.65
8.3.280.0110.00918.35
8.3.270.0150.00416.88
8.3.260.0070.00816.62
8.3.250.0140.00416.67
8.3.240.0110.00816.64
8.3.230.0120.00516.61
8.3.220.0110.00720.73
8.3.210.0110.00816.52
8.3.200.0050.00416.60
8.3.190.0050.00317.10
8.3.180.0120.00720.81
8.3.170.0080.00017.12
8.3.160.0090.00916.43
8.3.150.0160.00316.53
8.3.140.0100.00716.71
8.3.130.0080.00016.49
8.3.120.0090.00618.66
8.3.110.0070.01020.94
8.3.100.0060.00324.06
8.3.90.0040.01126.77
8.3.80.0060.00318.30
8.3.70.0070.01416.75
8.3.60.0150.00517.41
8.3.50.0080.00817.74
8.3.40.0190.01219.16
8.3.30.0210.00719.11
8.3.20.0170.00818.48
8.3.10.0180.00917.91
8.3.00.0200.01017.60
8.2.290.0090.01116.92
8.2.280.0090.01018.81
8.2.270.0060.01216.75
8.2.260.0050.00316.79
8.2.250.0100.01016.47
8.2.240.0030.00718.86
8.2.230.0030.00522.58
8.2.220.0060.01037.54
8.2.210.0130.00726.77
8.2.200.0000.00916.50
8.2.190.0120.00318.41
8.2.180.0160.00816.64
8.2.170.0270.00717.91
8.2.160.0300.00617.37
8.2.150.0270.00817.42
8.2.140.0290.00917.20
8.2.130.0330.00517.95
8.2.120.0280.01017.13
8.2.110.0310.00717.96
8.2.100.0320.00317.42
8.2.90.0240.00817.33
8.2.80.0300.00517.74
8.2.70.0290.00618.39
8.2.60.0170.01117.17
8.2.50.0320.00517.13
8.2.40.0290.00517.36
8.2.30.0250.00717.67
8.2.20.0190.00517.21
8.2.10.0260.00617.19
8.2.00.0220.01117.08
8.1.330.0100.01016.09
8.1.320.0090.01016.55
8.1.310.0090.00916.49
8.1.300.0100.00618.01
8.1.290.0060.00318.88
8.1.280.0180.00416.13
8.1.270.0260.00717.77
8.1.260.0280.00717.60
8.1.250.0260.01116.95
8.1.240.0230.00917.65
8.1.230.0300.00616.91
8.1.220.0290.00416.88
8.1.210.0250.00716.86
8.1.200.0220.00816.99
8.1.190.0260.00616.90
8.1.180.0230.00816.92
8.1.170.0250.00616.82
8.1.160.0200.01016.95
8.1.150.0250.00716.95
8.1.140.0250.00417.40
8.1.130.0230.00816.96
8.1.120.0260.00516.99
8.1.110.0240.00617.69
8.1.100.0210.00816.96
8.1.90.0170.00718.17
8.1.80.0190.00518.16
8.1.70.0180.00518.10
8.1.60.0200.00517.15
8.1.50.0170.00817.61
8.1.40.0180.00717.67
8.1.30.0190.00717.85
8.1.20.0180.00917.70
8.1.10.0220.00517.71
8.1.00.0180.00717.58

preferences:
68.77 ms | 403 KiB | 5 Q