3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "ICONV_IMPL: ", ICONV_IMPL, "; ICONV_VERSION: ", ICONV_VERSION, "\n"; echo iconv('ASCII', 'UTF-8', 'Hello'); echo iconv('ASCII', 'ISO-8859-1', 'Hello');

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)
8.3.60.0060.00916.75
8.3.50.0110.00720.37
8.3.40.0210.00019.09
8.3.30.0120.00319.01
8.3.20.0040.00424.18
8.3.10.0030.00624.66
8.3.00.0070.00026.16
8.2.180.0180.00325.92
8.2.170.0100.01018.97
8.2.160.0000.01422.96
8.2.150.0050.00225.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0150.00819.37
8.2.100.0030.00917.69
8.2.90.0030.00617.63
8.2.80.0050.00318.62
8.2.70.0110.00017.63
8.2.60.0050.00517.91
8.2.50.0000.00918.05
8.2.40.0040.00417.91
8.2.30.0040.00417.86
8.2.20.0070.00020.41
8.2.10.0040.00417.56
8.2.00.0050.00219.12
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0120.00017.23
8.1.230.0090.00317.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.10
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0040.00418.50
8.1.160.0000.00718.72
8.1.150.0040.00418.50
8.1.140.0040.00417.25
8.1.130.0080.00318.77
8.1.120.0000.00717.35
8.1.110.0000.00717.29
8.1.100.0070.00017.21
8.1.90.0060.00317.36
8.1.80.0000.00817.29
8.1.70.0000.00717.23
8.1.60.0040.00417.48
8.1.50.0030.00517.39
8.1.40.0050.00317.26
8.1.30.0220.00817.54
8.1.20.0190.00817.52
8.1.10.0160.00817.41
8.1.00.0250.00517.28
8.0.300.0000.00918.77
8.0.290.0000.00716.75
8.0.280.0030.00318.39
8.0.270.0040.00416.80
8.0.260.0000.00618.44
8.0.250.0000.00816.95
8.0.240.0030.00516.84
8.0.230.0000.00716.93
8.0.220.0040.00416.80
8.0.210.0000.00816.82
8.0.200.0000.00716.81
8.0.190.0000.00916.87
8.0.180.0000.00816.93
8.0.170.0060.00316.82
8.0.160.0040.01116.88
8.0.150.0110.01316.63
8.0.140.0130.01116.80
8.0.130.0190.00416.64
8.0.120.0180.00516.82
8.0.110.0110.00816.66
8.0.100.0070.01016.80
8.0.90.0110.00716.71
8.0.80.0210.00016.78
8.0.70.0130.01016.67
8.0.60.0170.00616.62
8.0.50.0140.00616.84
8.0.30.0170.00316.82
8.0.20.0150.00816.93
8.0.10.0170.00316.96
7.4.330.0050.00015.55
7.4.320.0060.00016.49
7.4.300.0000.00716.45
7.4.290.0030.00716.28
7.4.280.0200.00516.43
7.4.270.0170.00616.35
7.4.260.0180.00316.41
7.4.250.0180.00316.36
7.4.240.0060.00616.48
7.4.230.0140.00616.48
7.4.220.0200.00416.47
7.4.210.0100.00716.36
7.4.200.0110.00916.49
7.4.190.0210.00316.54
7.4.180.0120.00916.30
7.4.160.0230.00016.43
7.4.150.0180.00316.36
7.4.140.0180.00616.30
7.4.130.0140.00816.31
7.4.120.0190.00316.28
7.4.110.0140.00516.21
7.4.100.0180.00316.36
7.4.90.0150.00516.36
7.4.80.0190.00416.33
7.4.70.0110.01116.24
7.4.60.0150.00816.29
7.4.50.0220.00016.34
7.4.40.0160.00516.34
7.4.30.0200.00016.25
7.4.20.0150.00616.38
7.4.10.0160.00416.27
7.4.00.0130.00816.27

preferences:
56.46 ms | 400 KiB | 5 Q