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PHP | Ds\Vector join() Function

Last Updated : 22 Aug, 2019
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The Ds\Vector::join() function is an inbuilt function in PHP which is used to join all the elements of vector as a string using the separator provided as the argument. Syntax: 
string public Ds\Vector::join( $glue )
Parameters: This function accepts a single parameter $glue which is used to hold the separator. It is an optional parameter. Return Value: This function returns the value of the vector as string. Below programs illustrate the Ds\Vector::join() function in PHP: Program 1: PHP 
<?php

// Create new vector
$vector = new \Ds\Vector([1, 2, 3, 4, 5]);

// Display the vector element
print_r($vector);

echo("\nVector elements after joining\n");

print_r($vector->join());

?>
Output: 
Ds\Vector Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)

Vector elements after joining
12345
Program 2: PHP 
<?php

// Create new vector
$vector = new \Ds\Vector(["geeks", "for", "geeks"]);

// Display the vector element
print_r($vector);

echo("\nVector elements after joining\n");

print_r($vector->join("|"));

?>
Output: 
Ds\Vector Object
(
    [0] => geeks
    [1] => for
    [2] => geeks
)

Vector elements after joining
geeks|for|geeks
Reference: http://php.net/manual/en/ds-vector.join.php

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