3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='ŠŒŽšœžŸ¥µÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýÿ'; var_dump(mb_strtolower($a)); $from=['Š','Œ','Ž','š','œ','ž','Ÿ','¥','µ','À','Á','Â','Ã','Ä','Å','Æ','Ç','È','É','Ê','Ë','Ì','Í','Î','Ï','Ð','Ñ','Ò','Ó','Ô','Õ','Ö','Ø','Ù','Ú','Û','Ü','Ý','ß','à','á','â','ã','ä','å','æ','ç','è','é','ê','ë','ì','í','î','ï','ð','ñ','ò','ó','ô','õ','ö','ø','ù','ú','û','ü','ý','ÿ']; $to= ['S','O','Z','s','o','z','Y','Y','u','A','A','A','A','A','A','A','C','E','E','E','E','I','I','I','I','D','N','O','O','O','O','O','O','U','U','U','U','Y','s','a','a','a','a','a','a','a','c','e','e','e','e','i','i','i','i','o','n','o','o','o','o','o','o','u','u','u','u','y','y']; $a=str_replace( $from, $to, $a ); $a=strtolower($a); var_dump($a);

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)
8.3.70.0150.00018.18
8.3.60.0060.01018.43
8.3.50.0110.00418.28
8.3.40.0070.00718.76
8.3.30.0140.00318.43
8.3.20.0040.00419.03
8.3.10.0030.00623.69
8.3.00.0080.00023.61
8.2.190.0120.00316.63
8.2.180.0200.01016.50
8.2.170.0070.01422.96
8.2.160.0070.00718.96
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00420.52
8.2.120.0080.00026.35
8.2.110.0050.00521.00
8.2.100.0070.00417.59
8.2.90.0040.00417.91
8.2.80.0080.00017.97
8.2.70.0030.00617.80
8.2.60.0040.00418.04
8.2.50.0000.00918.10
8.2.40.0000.00820.45
8.2.30.0040.00419.07
8.2.20.0060.00317.93
8.2.10.0040.00417.94
8.2.00.0000.00719.34
8.1.280.0070.01025.92
8.1.270.0080.00022.15
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0120.00922.48
8.1.230.0060.00620.88
8.1.220.0050.00317.76
8.1.210.0000.01018.77
8.1.200.0030.00617.35
8.1.190.0030.00617.00
8.1.180.0000.00918.10
8.1.170.0050.00319.03
8.1.160.0080.00019.01
8.1.150.0000.00718.89
8.1.140.0040.00419.09
8.1.130.0030.00319.09
8.1.120.0040.00417.46
8.1.110.0040.00417.37
8.1.100.0070.00017.32
8.1.90.0040.00417.44
8.1.80.0040.00417.46
8.1.70.0000.00817.50
8.1.60.0030.00517.62
8.1.50.0060.00617.56
8.1.40.0000.00717.53
8.1.30.0040.00417.69
8.1.20.0080.00017.63
8.1.10.0080.00017.43
8.1.00.0060.00317.35
8.0.300.0050.00219.90
8.0.290.0090.00016.75
8.0.280.0040.00418.37
8.0.270.0070.00017.27
8.0.260.0030.00317.25
8.0.250.0040.00416.87
8.0.240.0060.00316.82
8.0.230.0000.00716.87
8.0.220.0070.00016.96
8.0.210.0000.00716.98
8.0.200.0030.00317.01
8.0.190.0040.00416.93
8.0.180.0070.00016.82
8.0.170.0060.00316.83
8.0.160.0000.00716.95
8.0.150.0040.00416.86
8.0.140.0040.00416.91
8.0.130.0030.00313.26
8.0.120.0040.00416.85
8.0.110.0070.00016.86
8.0.100.0050.00216.96
8.0.90.0090.00016.97
8.0.80.0080.00816.89
8.0.70.0000.00816.76
8.0.60.0030.00616.93
8.0.50.0000.00816.84
8.0.30.0130.00717.11
8.0.20.0110.00917.40
8.0.10.0030.00317.07
8.0.00.0100.01116.85
7.4.330.0050.00015.55
7.4.320.0070.00016.58
7.4.300.0030.00316.41
7.4.290.0070.00016.42
7.4.280.0030.00516.51
7.4.270.0040.00416.66
7.4.260.0000.00716.67
7.4.250.0000.00816.58
7.4.240.0050.00216.62
7.4.230.0040.00416.50
7.4.220.0040.00416.67
7.4.210.0100.00716.61
7.4.200.0030.00316.62
7.4.160.0080.00716.60
7.4.140.0080.01117.86
7.4.130.0030.01916.45
7.4.120.0130.00516.53
7.4.110.0130.01016.61
7.4.100.0140.00316.46
7.4.90.0160.00716.53
7.4.80.0140.00919.39
7.4.70.0110.00716.28
7.4.60.0060.01316.32
7.4.50.0040.01516.61
7.4.40.0090.01216.53
7.4.00.0100.00315.01
7.3.330.0060.00013.21
7.3.320.0030.00313.21
7.3.310.0000.00716.23
7.3.300.0000.00716.28
7.3.290.0000.00716.18
7.3.280.0060.00916.30
7.3.260.0130.00416.37
7.3.240.0080.01016.24
7.3.230.0070.01116.48
7.3.210.0150.01116.18
7.3.200.0140.00316.11
7.3.190.0170.00016.38
7.3.180.0060.01016.41
7.3.170.0130.00316.42
7.3.160.0120.00316.17
7.2.330.0120.00616.68
7.2.320.0090.01216.71
7.2.310.0130.00316.63
7.2.300.0210.00016.71
7.2.290.0180.00016.50
7.2.80.0420.00014.63
7.2.70.0280.01014.82
7.2.60.0390.00315.01
7.2.50.0230.01015.07
7.2.40.0300.00314.91
7.2.30.1410.00314.70
7.2.20.0390.00315.01
7.2.10.0260.01014.99
7.2.00.0190.01514.57
7.1.200.0060.00615.84
7.1.190.0490.01013.74
7.1.180.0260.00713.81
7.1.170.0270.01313.76
7.1.160.0320.00413.72
7.1.150.0260.00613.93
7.1.140.0340.01013.80
7.1.130.0270.00713.85
7.1.120.0290.01313.63
7.1.110.0300.00313.78
7.1.100.0310.00413.58
7.1.90.0300.00213.96
7.1.80.0270.00913.55
7.1.70.0370.01013.66
7.1.60.0730.00731.76
7.1.50.0650.00931.92
7.1.40.0490.01331.91
7.1.30.0640.01031.52
7.1.20.0410.01031.69
7.1.10.0380.00613.65
7.1.00.0360.00313.86

preferences:
47 ms | 401 KiB | 5 Q