In this tutorial, you shall learn how to join an array of strings with a separator string in PHP using join() function, with the help of example programs.
PHP – Join Array of Strings with Separator
To join an array of strings with specific separator string in PHP, use join()
function. Call join()
function and pass the separator string and the array of strings as arguments.
The syntax to call join()
function to join the strings in array $arr
by the separator $sep
is
join(' ', $input)
Examples
1. Join strings in array with specific separator
In this example, we take a string array in $arr
and join them with separator string in $sep
.
PHP Program
<?php
$arr = ["apple", "banana", "cherry"];
$sep = "****";
$output = join($sep, $arr);
echo $output;
?>
Output
2. Join strings in array with single space separator
In this example, we take a string array in $arr
and join them with single space as separator.
PHP Program
<?php
$arr = ["apple", "banana", "cherry"];
$sep = " ";
$output = join($sep, $arr);
echo $output;
?>
Output
Conclusion
In this PHP Tutorial, we learned how to join strings in array with specific separator, using join()
function.