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<?php var_dump( mb_convert_encoding( mb_convert_kana(mb_convert_encoding("アイウエオ", "JIS", "UTF-8"), "mM", "JIS") ,"UTF-8", "JIS") );
Output for 8.2.1 - 8.2.2
Fatal error: Uncaught ValueError: mb_convert_kana(): Argument #2 ($mode) must not combine 'M' and 'm' flags in /in/XvIUI:4 Stack trace: #0 /in/XvIUI(4): mb_convert_kana('\e(I12345\e(B', 'mM', 'JIS') #1 {main} thrown in /in/XvIUI on line 4
Process exited with code 255.
Output for 8.2.0
Fatal error: Uncaught ValueError: mb_convert_kana(): Argument #2 ($mode) must not combine 'M' and 'm' flags in /in/XvIUI:4 Stack trace: #0 /in/XvIUI(4): mb_convert_kana('\e$B\x001\x002\x003\x004\x005\e(...', 'mM', 'JIS') #1 {main} thrown in /in/XvIUI on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.26, 8.1.12 - 8.1.15
string(15) "アイウエオ"
Output for 8.1.0 - 8.1.11
string(12) "アイウエ"

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