join – PHP String Functions

Syntax :

Description :

join() function will glue(join) array elements in a string.
join()  is an alias of the PHP implode() function.

Parameter :

• separator – Optional. This is an optional parameter. By default it is an empty string (“”).
• array –  Collection of elements to join a string

Output :

This will return a string from array of elements.

Related articles : implode().

join – PHP Functions Example 1 :

<?php
$strArr = array('Hi','from','tutorialmines','.!');
echo join(" ",$strArr);
?>

In above example ,We have array of elements array(‘Hi’,’from’,’tutorialmines.net’,’.!’); Now this function will glue the array elements in a string and returns the string. See below is the output of above code.

join – PHP Functions Example 2 :

If you want to make a string from elements of an array,on the basis of separator for e.g. comma ( , ), star (*), hash(#)  use below example :

<?php
$strExample = array('test string 1', 'test string 2', 'test string 3', 'test string 4');

echo join(" , ",$strExample);
echo "<br>" . join(" * ",$strExample);
echo "<br>" . join(" # ",$strExample);

?>

Output will be like below: