3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = "á|â|à|å|ä ð|é|ê|è|ë í|î|ì|ï ó|ô|ò|ø|õ|ö ú|û|ù|ü æ ç ß abc ABC 123"; echo mb_convert_encoding($val, 'UTF-8'); foreach(mb_list_encodings() as $chr){ echo mb_convert_encoding($val, 'UTF-8', $chr)." : ".$chr."<br>"; }

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)
8.3.70.0150.00618.53
8.3.60.0140.01416.75
8.3.50.0320.00517.01
8.3.40.0040.01118.86
8.3.30.0100.00719.09
8.3.20.0060.00320.46
8.3.10.0040.00423.52
8.3.00.0090.00022.20
8.2.180.0140.00716.50
8.2.170.0210.00022.96
8.2.160.0170.00019.00
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00421.16
8.2.120.0090.00026.35
8.2.110.0080.00322.26
8.2.100.0110.00317.91
8.2.90.0040.00419.39
8.2.80.0000.00918.30
8.2.70.0050.00517.75
8.2.60.0000.00818.30
8.2.50.0000.00818.10
8.2.40.0040.00420.59
8.2.30.0020.00721.51
8.2.20.0000.00818.45
8.2.10.0070.00318.37
8.2.00.0000.00718.27
8.1.280.0090.00925.92
8.1.270.0080.00022.30
8.1.260.0060.00326.35
8.1.250.0030.00528.09
8.1.240.0090.00021.11
8.1.230.0080.00319.31
8.1.220.0000.00817.91
8.1.210.0060.00318.77
8.1.200.0030.00717.60
8.1.190.0030.00517.73
8.1.180.0040.00418.10
8.1.170.0000.00818.93
8.1.160.0040.00419.20
8.1.150.0030.00721.04
8.1.140.0040.00419.88
8.1.130.0040.00419.18
8.1.120.0030.00717.86
8.1.110.0000.00917.78
8.1.100.0030.00517.78
8.1.90.0040.00417.87
8.1.80.0000.00917.82
8.1.70.0000.00917.77
8.1.60.0030.00717.89
8.1.50.0000.01017.82
8.1.40.0070.00417.87
8.1.30.0000.00817.95
8.1.20.0000.00817.94
8.1.10.0070.00217.82
8.1.00.0100.00017.62
8.0.300.0020.00520.39
8.0.290.0070.00017.00
8.0.280.0040.00418.69
8.0.270.0040.00417.56
8.0.260.0070.00017.07
8.0.250.0040.00417.11
8.0.240.0050.00317.11
8.0.230.0000.00717.02
8.0.220.0040.00416.98
8.0.210.0000.00716.90
8.0.200.0000.00717.10
8.0.190.0000.00917.12
8.0.180.0030.00917.12
8.0.170.0040.00416.98
8.0.160.0000.00717.09
8.0.150.0000.00817.07
8.0.140.0040.00417.10
8.0.130.0070.00013.50
8.0.120.0060.00317.01
8.0.110.0080.00016.97
8.0.100.0040.00417.04
8.0.90.0000.00817.02
8.0.80.0090.01317.14
8.0.70.0030.00516.96
8.0.60.0050.00316.94
8.0.50.0000.00717.10
8.0.30.0080.01017.52
8.0.20.0020.01717.40
8.0.10.0050.00317.26
8.0.00.0040.01516.83
7.4.330.0060.00015.55
7.4.320.0040.00416.73
7.4.300.0080.00016.90
7.4.290.0090.00316.67
7.4.280.0050.00516.89
7.4.270.0050.00516.77
7.4.260.0000.00916.70
7.4.250.0060.00316.77
7.4.240.0000.00816.71
7.4.230.0040.00416.92
7.4.220.0060.01316.99
7.4.210.0130.00516.92
7.4.200.0000.00816.81
7.4.160.0070.01216.72
7.4.150.0070.01417.40
7.4.140.0060.01417.86
7.4.130.0060.01216.74
7.4.120.0140.00516.88
7.4.110.0100.01016.54
7.4.100.0070.01116.80
7.4.90.0080.01116.95
7.4.80.0030.01519.39
7.4.70.0090.00916.87
7.4.60.0150.00316.57
7.4.50.0100.00316.55
7.4.40.0060.01616.53
7.4.30.0060.01217.07
7.4.00.0060.00815.02
7.3.330.0000.00513.30
7.3.320.0000.00613.44
7.3.310.0070.00016.39
7.3.300.0000.00716.41
7.3.290.0030.00316.41
7.3.280.0070.01116.44
7.3.270.0080.01117.40
7.3.260.0150.00516.61
7.3.250.0100.00916.70
7.3.240.0130.00916.74
7.3.230.0120.00916.72
7.3.210.0040.01316.64
7.3.200.0130.00416.75
7.3.190.0030.01516.70
7.3.180.0130.00416.63
7.3.170.0180.00016.41
7.3.160.0030.01316.77
7.3.120.0060.01215.13
7.3.110.0100.00615.31
7.3.100.0060.00615.19
7.3.90.0070.00715.08
7.3.80.0070.01115.24
7.3.70.0000.01415.02
7.3.60.0070.01115.00
7.3.50.0040.00414.95
7.3.40.0060.00614.83
7.3.30.0030.00714.94
7.3.20.0040.01116.98
7.3.10.0000.01516.91
7.3.00.0080.00416.95
7.2.330.0080.01117.01
7.2.320.0170.00316.87
7.2.310.0100.01316.86
7.2.300.0120.00416.88
7.2.290.0080.01116.86
7.2.250.0070.01015.37
7.2.240.0120.00615.14
7.2.230.0000.01615.48
7.2.220.0070.01015.41
7.2.210.0110.00715.28
7.2.200.0090.00615.08
7.2.190.0040.01515.13
7.2.180.0060.00915.16
7.2.170.0100.00715.09
7.2.60.0090.00617.09
7.2.00.0030.01219.54
7.1.330.0080.00815.95
7.1.320.0060.00916.19
7.1.310.0060.00315.90
7.1.300.0000.01115.78
7.1.290.0140.00015.71
7.1.280.0000.01715.85
7.1.270.0000.01615.84
7.1.260.0120.00416.05
7.1.200.0070.00715.85
7.1.100.0180.01818.15
7.1.70.0070.00717.14
7.1.60.0070.01834.97
7.1.50.0300.00835.15
7.1.40.0250.00634.57
7.1.30.0200.00734.66
7.1.20.0170.01034.74
7.1.10.0030.01016.69
7.1.00.0070.00716.80
7.0.200.0000.01816.86
7.0.190.0030.01016.76
7.0.180.0060.00816.53
7.0.170.0050.00916.51
7.0.160.0070.00716.37
7.0.150.0080.00816.53
7.0.140.0080.00716.69
7.0.130.0070.00716.46
7.0.120.0050.00816.79
7.0.110.0060.00816.36
7.0.100.0040.01116.46
7.0.90.0040.01116.84
7.0.80.0050.01216.68
7.0.70.0040.00816.59
7.0.60.0110.00416.66
7.0.50.0070.00716.63
7.0.40.0090.00516.83
7.0.30.0000.01216.64
7.0.20.0040.01116.60
7.0.10.0070.00716.93
7.0.00.0030.01016.63

preferences:
127.18 ms | 401 KiB | 5 Q