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This article mainly explains "how to use php mb_strpos", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "how to use php mb_strpos"!

php mb_strpos function is used to find the first occurrence of a string in another string using the syntax "mb_strpos(string $haystack,string $needle,int $offset = 0... "。

Operating environment: Windows 7 system, PHP 7.4 version, Dell G3 computer.

What is PHP MB_strpos?

mb_strpos

(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

mb_strpos -Find the first occurrence of a string in another string

description

mb_strpos( string $haystack, string $needle, int $offset = 0, string $encoding = mb_internal_encoding()): int

Find the first occurrence of string in a string.

Performs a multibyte safe strpos() operation based on the number of characters. The position of the first character is 0, the position of the second character is 1, and so on.

Parameters:

haystack

String to be checked.

needle

Look for this string in haystack. Unlike strpos(), numeric values are not treated as sequential values of characters.

offset

Offset of search position. If this parameter is not provided, 0 will be used. Negative offsets are counted from the end of the string.

encoding

The encoding parameter is character encoding. If omitted or null, internal character encoding is used.

return value

Returns the numeric value of the first occurrence of needle in haystack of string. If the needle is not found, it returns false.

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