<?php$string = join ( ",", // string $glue [ 0 => "lastname", 1 => "email", 2 => "phone", ] // array $pieces);?>
$string = 'lastname,email,phone'
'lastname,email,phone'
#1
join
(",", [0 => "lastname", 1 => "email", 2 => "phone"])
#2
("hello", [])
by Example
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2014-2017 Michel Corne