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Definition and Usage

(PHP Version | 4+)

The implode() function joins array elements into a string using a custom delimiter.

This function returns a single string by joining each element of a given array with a specified delimiter.

Basic Example

$colors = [ 'red' , 'green' , 'blue' ]; $comma_separated = implode ( ', ' , $colors ); // Join with a ', ' delimiter

echo $comma_separated ; // Output: 'red, green, blue'

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In this example, the elements of the array $colors are joined together into a single string, separated by a comma and a space ', '. The resulting string is 'red, green, blue'.

Syntax

implode ( string $separator , array $array ) : string

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Parameters

# $separator

Optional.…