3v4l.org

run code in 300+ PHP versions simultaneously
<?php // https://en.wikipedia.org/wiki/Dotted_and_dotless_I //var_dump(mb_strtolower('I')); // should be "ı" //var_dump(mb_strtolower('İ')); // should be "i" $coll1 = collator_create( 'de' ); var_dump(collator_compare($coll1,'I','İ')); $coll2 = collator_create( 'de' ); var_dump(collator_compare($coll2,'ß','ss')); $coll3 = collator_create( 'de' ); var_dump(collator_compare($coll3,mb_strtolower('ß'),mb_strtolower('SS')));

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)
8.3.60.0160.00017.75
8.3.50.0180.00019.55
8.3.40.0060.01019.91
8.3.30.0080.01119.57
8.3.20.0040.00421.64
8.3.10.0030.00623.12
8.3.00.0000.00724.93
8.2.180.0040.01517.88
8.2.170.0070.00722.96
8.2.160.0130.00322.18
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.77
8.2.110.0030.00721.60
8.2.100.0040.00919.16
8.2.90.0050.00319.59
8.2.80.0080.00020.28
8.2.70.0090.00318.88
8.2.60.0000.00919.30
8.2.50.0000.00819.41
8.2.40.0040.00423.63
8.2.30.0030.00522.10
8.2.20.0080.00019.54
8.2.10.0070.00019.68
8.2.00.0000.00719.53
8.1.280.0160.00625.92
8.1.270.0050.00321.92
8.1.260.0040.00926.35
8.1.250.0080.00028.09
8.1.240.0000.00923.30
8.1.230.0070.00422.41
8.1.220.0000.00819.01
8.1.210.0110.00020.22
8.1.200.0090.00018.73
8.1.190.0090.00018.72
8.1.180.0070.00318.66
8.1.170.0000.00823.23
8.1.160.0000.00720.04
8.1.150.0040.00423.08
8.1.140.0030.00521.09
8.1.130.0080.00020.23
8.1.120.0000.00819.01
8.1.110.0080.00018.73
8.1.100.0050.00218.79
8.1.90.0000.00718.86
8.1.80.0030.00618.90
8.1.70.0040.00418.75
8.1.60.0040.00419.01
8.1.50.0090.00018.78
8.1.40.0030.00618.76
8.1.30.0040.00419.04
8.1.20.0000.00819.11
8.1.10.0040.00418.93
8.1.00.0040.00418.86
8.0.300.0020.00521.35
8.0.290.0080.00018.13
8.0.280.0000.00719.66
8.0.270.0030.00318.71
8.0.260.0030.00318.59
8.0.250.0080.00018.32
8.0.240.0030.00618.30
8.0.230.0060.00618.21
8.0.220.0030.00318.05
8.0.210.0030.00318.14
8.0.200.0030.00318.14
8.0.190.0050.00218.21
8.0.180.0090.00518.12
8.0.170.0000.00718.20
8.0.160.0040.00418.31
8.0.150.0050.00318.09
8.0.140.0030.00518.09
8.0.130.0030.00513.33
8.0.120.0040.00418.26
8.0.110.0030.00618.18
8.0.100.0060.00318.20
8.0.90.0040.00418.16
8.0.80.0070.01318.24
8.0.70.0030.00518.34
8.0.60.0040.00418.32
8.0.50.0040.00418.14
8.0.30.0080.01018.42
8.0.20.0130.00718.38
8.0.10.0030.00518.40
8.0.00.0140.00918.04
7.4.330.0020.00215.55
7.4.320.0030.00417.82
7.4.300.0070.00017.84
7.4.290.0040.00417.79
7.4.280.0030.00517.83
7.4.270.0040.00417.71
7.4.260.0070.00717.70
7.4.250.0040.00417.71
7.4.240.0000.00717.84
7.4.230.0040.00417.95
7.4.220.0130.01317.88
7.4.210.0060.00917.74
7.4.200.0020.00517.81
7.4.160.0100.00817.64
7.4.150.0090.00917.68
7.4.140.0050.01517.88
7.4.130.0080.01017.70
7.4.120.0120.01017.84
7.4.110.0030.01417.45
7.4.100.0100.00717.80
7.4.90.0170.00017.86
7.4.80.0100.01219.39
7.4.70.0110.00717.90
7.4.60.0030.01417.97
7.4.50.0110.00717.58
7.4.40.0100.00717.61
7.4.30.0110.00817.93
7.4.00.0000.01616.22
7.3.330.0050.00012.96
7.3.320.0000.00513.15
7.3.310.0070.00017.54
7.3.300.0040.00317.70
7.3.290.0060.01017.65
7.3.280.0080.01217.63
7.3.270.0180.00417.58
7.3.260.0090.01217.59
7.3.250.0090.00917.71
7.3.240.0160.00517.66
7.3.230.0000.02317.50
7.3.210.0120.01117.76
7.3.200.0190.01617.68
7.3.190.0070.01117.99
7.3.180.0110.01117.75
7.3.170.0110.00917.83
7.3.160.0070.01017.66
7.3.10.0040.01118.09
7.3.00.0060.00918.10
7.2.330.0090.00918.12
7.2.320.0100.00918.00
7.2.310.0060.01217.80
7.2.300.0040.01817.86
7.2.290.0070.01117.80
7.2.130.0030.01017.89
7.2.120.0070.00717.98
7.2.110.0060.00617.98
7.2.100.0030.01018.15
7.2.90.0060.00917.88
7.2.80.0030.00718.18
7.2.70.0140.00417.84
7.2.60.0110.00617.96
7.2.50.0050.01118.08
7.2.40.0060.00618.15
7.2.30.0090.00018.23
7.2.20.0100.00318.09
7.2.10.0060.01017.77
7.2.00.0000.01618.09
7.1.250.0030.01017.05
7.1.200.0040.00817.06
7.1.70.0060.00918.73
7.1.60.0030.01018.83
7.1.40.3570.06338.53
7.1.30.3900.01332.20
7.1.20.2570.01732.46
7.1.10.0200.01016.06
7.1.00.3570.00316.09
7.0.200.0000.00818.28
7.0.180.4270.06321.36
7.0.170.4670.01015.60
7.0.160.2330.00715.59
7.0.150.1270.01015.60
7.0.140.2630.00715.49
7.0.130.1170.01315.95
7.0.120.1730.01015.87
7.0.110.5430.01015.73
7.0.100.3970.01715.81
7.0.90.2830.02015.68
7.0.80.4630.01315.90
7.0.70.3730.01315.71
7.0.60.3100.00315.80
7.0.50.3130.01315.91
7.0.40.3100.01016.02
7.0.30.3200.01716.09
7.0.20.2870.00716.00
7.0.10.3300.00016.00
7.0.00.2670.01315.97

preferences:
59.19 ms | 400 KiB | 5 Q