Determining character length function strlen example tutorial_PHP tutorial

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Definition and usage
The strlen() function returns the length of the string.

Its function is to calculate the character length of a word, one Chinese character is 2

Grammar

strlen(string)

Parameter	Description
string	Required. Specifies the string to check

Description

string

Required. Specifies the string to check

来看个简单的例子吧.

<!--?phpecho strlen("Hello world!");?-->

输出为

12

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