3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cp1252str = ''; for ($i = 128; $i < 256; $i++) { $cp1252str .= chr($i); } print "Work iconv:\n"; iconv("cp1252", "utf-8//IGNORE", $cp1252str); print "Work iconv_strlen:\n"; iconv_strlen($cp1252str, "utf-8//IGNORE");

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)
8.3.60.0090.00916.71
8.3.50.0140.00316.63
8.3.40.0140.00018.84
8.3.30.0100.00318.61
8.3.20.0070.00020.34
8.3.10.0080.00023.53
8.3.00.0070.00021.95
8.2.180.0070.00718.41
8.2.170.0070.00722.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00421.07
8.2.120.0080.00026.35
8.2.110.0000.01019.39
8.2.100.0080.00417.93
8.2.90.0040.00419.35
8.2.80.0050.00517.97
8.2.70.0040.00417.50
8.2.60.0060.00317.93
8.2.50.0040.00418.09
8.2.40.0040.00422.22
8.2.30.0050.00319.35
8.2.20.0030.00617.65
8.2.10.0000.00718.05
8.2.00.0040.00417.91
8.1.280.0070.00725.92
8.1.270.0080.00022.19
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.29
8.1.230.0080.00517.70
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0000.00917.22
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0080.00018.49
8.1.160.0050.00220.64
8.1.150.0090.00020.80
8.1.140.0030.00519.56
8.1.130.0000.00717.55
8.1.120.0030.00517.41
8.1.110.0000.00717.38
8.1.100.0000.00817.30
8.1.90.0080.00017.28
8.1.80.0060.00317.45
8.1.70.0050.00217.36
8.1.60.0000.00817.55
8.1.50.0090.00017.32
8.1.40.0090.00017.30
8.1.30.0080.00017.54
8.1.20.0060.00317.61
8.1.10.0040.00417.45
8.1.00.0060.00317.46
8.0.300.0080.00018.77
8.0.290.0040.00416.88
8.0.280.0070.00018.45
8.0.270.0000.00717.27
8.0.260.0030.00317.18
8.0.250.0000.00616.97
8.0.240.0070.00016.96
8.0.230.0030.00416.96
8.0.220.0040.00416.93
8.0.210.0040.00416.90
8.0.200.0040.00416.85
8.0.190.0030.00616.91
8.0.180.0040.00416.92
8.0.170.0040.00416.95
8.0.160.0040.00416.87
8.0.150.0000.00716.89
8.0.140.0030.00816.79
8.0.130.0000.00513.25
8.0.120.0060.00317.01
8.0.110.0060.00317.07
8.0.100.0060.00317.01
8.0.90.0000.00916.97
8.0.80.0120.00917.09
8.0.70.0100.00016.86
8.0.60.0000.00916.93
8.0.50.0060.00317.00
8.0.30.0140.00517.19
8.0.20.0100.01317.40
8.0.10.0030.00617.07
8.0.00.0110.00916.94
7.4.330.0000.00616.77
7.4.320.0000.00716.52
7.4.300.0000.00816.48
7.4.290.0000.01216.46
7.4.280.0060.00316.53
7.4.270.0030.00316.36
7.4.260.0030.00316.48
7.4.250.0050.00516.68
7.4.240.0030.00616.64
7.4.230.0000.00816.51
7.4.220.0090.02316.55
7.4.210.0090.01516.68
7.4.200.0060.00316.82
7.4.160.0090.00916.62
7.4.150.0110.01117.40
7.4.140.0110.01317.86
7.4.130.0140.00816.61
7.4.120.0120.00916.74
7.4.110.0120.00916.59
7.4.100.0030.01716.77
7.4.90.0160.00716.81
7.4.80.0110.01419.39
7.4.70.0140.00716.54
7.4.60.0100.01116.60
7.4.50.0120.00816.28
7.4.40.0130.01216.49
7.4.30.0140.00716.24
7.4.20.0120.00716.46
7.4.10.0140.01116.54
7.4.00.0090.01115.62
7.3.330.0000.00513.09
7.3.320.0030.00313.09
7.3.310.0030.00516.35
7.3.300.0000.00916.50
7.3.290.0030.00516.61
7.3.280.0100.01116.50
7.3.270.0140.01017.40
7.3.260.0320.00816.48
7.3.250.0100.01316.59
7.3.240.0100.01016.49
7.3.230.0090.01216.75
7.3.210.0070.01316.54
7.3.200.0080.01216.62
7.3.190.0090.01116.59
7.3.180.0150.01216.54
7.3.170.0120.01116.49
7.3.160.0040.01616.69
7.3.150.0150.00616.60
7.3.140.0170.00516.52
7.3.130.0110.01116.60
7.3.120.0040.01816.48
7.3.110.0090.01316.38
7.3.100.0130.00716.45
7.3.90.0070.01516.59
7.3.80.0090.01116.47
7.3.70.0100.01016.60
7.3.60.0120.00816.57
7.3.50.0150.00416.55
7.3.40.0120.00816.53
7.3.30.0140.00516.55
7.3.20.0080.01216.59
7.3.10.0100.01116.29
7.3.00.0070.01316.30
7.2.330.0100.01016.78
7.2.320.0160.00316.83
7.2.310.0190.00616.81
7.2.300.0110.01516.88
7.2.290.0100.01016.78
7.2.280.0170.00416.43
7.2.270.0170.00816.82
7.2.260.0070.01916.77
7.2.250.0040.01616.82
7.2.240.0060.01816.88
7.2.230.0120.01216.58
7.2.220.0100.01016.88
7.2.210.0130.01916.82
7.2.200.0130.01016.70
7.2.190.0140.00716.45
7.2.180.0110.01716.68
7.2.170.0130.01016.75
7.2.160.0080.01316.78
7.2.150.0080.01316.82
7.2.140.0140.00716.80
7.2.130.0080.01216.67
7.2.120.0070.01416.63
7.2.110.0430.00916.82
7.2.100.0120.00716.43
7.2.90.0160.00716.76
7.2.80.0110.01416.65
7.2.70.0150.01016.52
7.2.60.0120.00916.76
7.2.50.0150.01216.90
7.2.40.0170.01216.70
7.2.30.0140.01116.70
7.2.20.0220.00716.68
7.2.10.0710.01216.81
7.2.00.0100.01117.87
7.1.330.0140.00615.57
7.1.320.0080.01115.73
7.1.310.0370.01015.50
7.1.300.0130.00815.69
7.1.290.0030.01415.98
7.1.280.0150.00315.79
7.1.270.0110.00815.88
7.1.260.0090.01315.43
7.1.250.0060.01615.35
7.1.240.0060.01115.76
7.1.230.0190.00815.66
7.1.220.0060.01215.61
7.1.210.1270.02015.78
7.1.200.0120.00915.79
7.1.190.0210.00815.70
7.1.180.0240.01315.78
7.1.170.0160.01315.72
7.1.160.0290.00015.71
7.1.150.1430.00315.65
7.1.140.0230.00815.63
7.1.130.0210.00715.73
7.1.120.0160.01615.70
7.1.110.0300.00615.71
7.1.100.0650.01617.06
7.1.90.0230.01615.78
7.1.80.0250.01015.65
7.1.70.0110.00916.58
7.1.60.0140.01017.56
7.1.50.0190.00816.42
7.1.40.0220.00815.62
7.1.30.0190.01115.86
7.1.20.0180.01115.72
7.1.10.0140.01415.75
7.1.00.0490.04219.04
7.0.330.0210.00715.06
7.0.320.0000.01815.41
7.0.310.0190.01115.59
7.0.300.0210.00715.43
7.0.290.0150.01515.37
7.0.280.0640.01215.54
7.0.270.0180.01015.57
7.0.260.0230.00715.48
7.0.250.0180.01115.36
7.0.240.0300.00915.46
7.0.230.0200.01715.47
7.0.220.0170.01215.42
7.0.210.0250.00515.56
7.0.200.0350.00615.34
7.0.190.0240.00615.46
7.0.180.0620.00915.41
7.0.170.0180.01115.62
7.0.160.0180.01115.71
7.0.150.0370.01315.38
7.0.140.0230.01215.65
7.0.130.0190.00915.50
7.0.120.0060.01315.40
7.0.110.0090.01415.51
7.0.100.0170.01115.24
7.0.90.0090.01215.22
7.0.80.0190.01015.61
7.0.70.0090.01915.34
7.0.60.0160.04218.60
7.0.50.0110.03416.69
7.0.40.0180.04317.79
7.0.30.0250.04817.99
7.0.20.0250.04217.91
7.0.10.0330.03217.69
7.0.00.0180.04517.77
5.6.400.0110.01316.13
5.6.390.0170.01315.90
5.6.380.0100.01015.73
5.6.370.0230.00815.88
5.6.360.0190.01415.81
5.6.350.0210.01416.11
5.6.340.0190.01316.38
5.6.330.0180.01516.18
5.6.320.0270.01216.25
5.6.310.0240.01116.29
5.6.300.0260.00816.11
5.6.290.0210.01616.02
5.6.280.0070.04018.74
5.6.270.0130.01316.32
5.6.260.0070.01616.07
5.6.250.0160.01315.71
5.6.240.0180.01215.92
5.6.230.0250.00516.12
5.6.220.0210.01015.95
5.6.210.0090.03618.29
5.6.200.0150.04317.26
5.6.190.0100.04718.42
5.6.180.0310.03218.30
5.6.170.0190.02818.40
5.6.160.0130.02618.52
5.6.150.0100.03117.16
5.6.140.0070.02917.20
5.6.130.0120.02717.23
5.6.120.0170.03218.71
5.6.110.0100.05218.62
5.6.100.0090.04118.64
5.6.90.0150.04718.67
5.6.80.0200.04018.34
5.6.70.0230.00616.16
5.6.60.0130.01616.09
5.6.50.0240.00416.17
5.6.40.0130.01515.96
5.6.30.0190.01115.93
5.6.20.0250.00416.18
5.6.10.0170.01116.04
5.6.00.0180.01215.84
5.5.380.0220.01015.96
5.5.370.0120.02015.85
5.5.360.0160.01416.21
5.5.350.0100.04618.08
5.5.340.0140.02817.13
5.5.330.0230.04218.29
5.5.320.0420.04018.25
5.5.310.0180.05018.23
5.5.300.0120.02717.09
5.5.290.0130.02717.21
5.5.280.0120.02818.54
5.5.270.0140.02418.50
5.5.260.0210.04318.47
5.5.250.0130.04018.29
5.5.240.0170.02718.12
5.5.230.0230.00315.87
5.5.220.0190.01615.93
5.5.210.0210.00716.07
5.5.200.0180.01415.98
5.5.190.0140.01815.97
5.5.180.0200.01315.71
5.5.170.0140.01616.05
5.5.160.0140.02216.19
5.5.150.0160.01616.04
5.5.140.0180.01516.02
5.5.130.0220.01415.83
5.5.120.0130.01716.34
5.5.110.0210.01615.98
5.5.100.0230.01516.23
5.5.90.0170.01815.77
5.5.80.0160.01615.86
5.5.70.0180.01115.91
5.5.60.0140.01415.77
5.5.50.0180.01115.94
5.5.40.0270.00316.23
5.5.30.0190.01215.82
5.5.20.0280.00616.08
5.5.10.0140.01316.11
5.5.00.0160.01316.03

preferences:
56.24 ms | 401 KiB | 5 Q