How to convert array to string in php?

In PHP, you can use the implode() function to convert an array into a string. It can convert a one-dimensional array into a string; the syntax format is "implode(array)", which will return a A string composed of array elements.

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implode() function can convert a one-dimensional array into characters String, returns a string composed of array elements.

The syntax format is as follows:

implode($glue, $array) 
//或者 
implode($array)

Parameters:

• $glue is used to set a string, specified The content placed between the array elements, that is, using $glue to connect each element of the array together. By default, $glue is an empty string ("");

• $array is Array to be converted.
  

Tip: The $glue parameter of the implode() function is optional and can be omitted. However, for backward compatibility, it is recommended that you use two parameters.

Return value: A string composed of array elements.​

Example:Use the implode() function to convert the array into a string.

<?php
    header(&#39;content-type:text/html;charset=utf-8&#39;);
    $arr = [&#39;php中文网&#39;,&#39;PHP教程&#39;,&#39;http://php.cn&#39;,&#39;implode()函数&#39;,&#39;数组转字符串&#39;];
    $str = implode($arr);
    echo $str.&#39;<br>&#39;;
    $str = implode(&#39; &#39;,$arr);
    echo $str.&#39;<br>&#39;;
    $str = implode(&#39;，&#39;,$arr);
    echo $str.&#39;<br>&#39;;
    $str = implode(&#39;--&#39;,$arr);
    echo $str.&#39;<br>&#39;;
?>

Output:

php中文网PHP教程http://php.cnimplode()函数数组转字符串
php中文网 PHP教程 http://php.cn implode()函数 数组转字符串
php中文网，PHP教程，http://php.cn，implode()函数，数组转字符串
php中文网--PHP教程--http://php.cn--implode()函数--数组转字符串

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