Sie suchten nach: strtolower (Koreanisch - Englisch)

예 1. strtolower() 예
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strtolower() 그리고 ucfirst() 을 참고하라.
strtolower

strtoupper(), strtolower() 그리고 ucfirst() 을 참고하라.
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see also strtolower(), mb_strtoupper(), mb_convert_case().
mb_strtoupper

see also mb_strtolower(), mb_strtoupper(), strtolower(), strtoupper().
mb_convert_encoding

by contrast to strtolower(), 'alphabetic' is determined by the unicode character properties. thus the behaviour of this function is not affected by locale settings and it can convert any characters that have 'alphabetic' property, such as a-umlaut (Ä).
see also strtolower(), mb_strtoupper(), mb_convert_case().