join – PHP String Functions
Syntax :
join ( separator, array );
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
Note : implode() function accept its parameters in either order. For consistency with explode(), however, it may be less confusing to use the documented order of arguments.
Note : The separator parameter is optional. However, its preferred to use two parameters for backwards compatibility.
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.
Hi from tutorialmines.!
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:
test string 1 , test string 2 , test string 3 , test string 4
test string 1 * test string 2 * test string 3 * test string 4
test string 1 # test string 2 # test string 3 # test string 4
test string 1 * test string 2 * test string 3 * test string 4
test string 1 # test string 2 # test string 3 # test string 4
