php join string code example

Example 1: php join array

Definition and Usage
The join() function returns a string from the elements of an array.

The join() function is an alias of the implode() function.

Note: The join() function accept its parameters in either order. However, for consistency with explode(), you should use the documented order of arguments.

Note: The separator parameter of join() is optional. However, it is recommended to always use two parameters for backwards compatibility.

Syntax
join(separator,array)
  
Example
Join array elements with a string:

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo join(" ",$arr);
?>
  
Output:
Hello World! Beautiful Day!

Example 2: concatenate string php

<?php 

// First String 
$a = 'Hello'; 

// Second String 
$b = 'World!'; 

// Concatenation Of String 
$c = $a.$b; 

// print Concatenate String 
echo " $c \n"; 
?>

Example 3: join string php

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo join(" ",$arr);
?>