How to convert array to string in php

php method to convert an array into a string: You can use the implode() function to perform the conversion. The implode() function can return a string composed of array elements, for example: [implode(',',$arr)].

There is a function implode() in php, which returns a string composed of array elements.

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Function syntax:

implode(separator,array)

Parameter introduction:

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

• array Required. Array to be combined into a string

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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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