chunk_split_PHP chunk_split（）函数与示例

chunk_split

PHP chunk_split()函数 (PHP chunk_split() function)

chunk_split() function is used to split the given string into chunks of small parts, it accepts the string returns the parts of the strings specified by the other parameters.

chunk_split()函数用于将给定的字符串分割成小块，它接受该字符串返回其他参数指定的字符串部分。

Syntax:

句法：

    chunk_split(string, [chunklen], [end_characters]);

Here,

这里，

string - is the source string
string-是源字符串
chunklen - is an optional parameter, it defines the number of characters of the chunks. It's default value is 75.
chunklen-是一个可选参数，它定义块的字符数。默认值为75。
end_characters - is also an optional parameter, it defines the end characters that will be added to the each chunk, and its default value is "\r\n".
end_characters-也是一个可选参数，它定义了将添加到每个块中的结束字符，其默认值为“ \ r \ n” 。

Examples:

例子：

    Input: 
str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
Function call: chunk_split(str, 3, "...");
Output:
ABCD...EFGH...IJKL...MNOP...QRST...UVWX...YZ...

PHP code:

PHP代码：

<?php
$str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$split_str = chunk_split($str);
echo ("The extracted characters are...\n");
echo ($split_str);
$split_str = chunk_split($str, 3);
echo ("The extracted characters are...\n");
echo ($split_str);
$split_str = chunk_split($str, 4, "...");
echo ("The extracted characters are...\n");
echo ($split_str);
?>

Output

输出量

The extracted characters are...
ABCDEFGHIJKLMNOPQRSTUVWXYZ
The extracted characters are...
ABC
DEF
GHI
JKL
MNO
PQR
STU
VWX
YZ
The extracted characters are...
ABCD...EFGH...IJKL...MNOP...QRST...UVWX...YZ...