To clarify, if $part is true, the string returned is from index zero up to, but not including, the first character of the matched substring.
<?php echo mb_strstr('abCDef','CD', true); // prints 'ab' ?>
mb_strstr
(PHP 5 >= 5.2.0)
mb_strstr — Finds first occurrence of a string within another
설명
mb_strstr() finds the first occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns FALSE.
인수
- haystack
-
The string from which to get the first occurrence of needle
- needle
-
The string to find in haystack
- part
-
Determines which portion of haystack this function returns. If set to TRUE, it returns all of haystack from the beginning to the first occurrence of needle. If set to FALSE, it returns all of haystack from the first occurrence of needle to the end,
- encoding
-
Character encoding name to use. If it is omitted, internal character encoding is used.
반환값
Returns the portion of haystack, or FALSE if needle is not found.
참고
- stristr() - 대소문자를 구분하지 않는 strstr
- strstr() - 문자열이 처음으로 나오는 부분을 찾습니다
- mb_stristr() - Finds first occurrence of a string within another, case insensitive
