How to convert array to string in php

How to convert an array into a string in php: You can use the built-in function implode() to perform the conversion. The implode() function is used to return a string composed of array elements, for example: [implode(',', $str)].

php provides us with a large number of built-in functions, among which the implode() function can meet our needs well.

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implode() function returns a string composed of array elements.

Syntax:

implode(separator,array)

Parameters:

• separator Optional. Specifies what is placed between array elements. Default is "" (empty string).

• array Required. Arrays to be combined into strings.

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Code implementation:

//将数组转字符串
$arr = [
            'a'=>1,
            'b'=>2,
            'c'=>3,
        ];
$arr_string = implode(',',$arr);
dump($arr_string);

//打印为  string(5) "1,2,3"

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