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   // 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   // Create new vector $vector = new \Ds\Vector(["neveropen", "for", "neveropen"]);   // Display the vector element print_r($vector);   echo("\nVector elements after joining\n");   print_r($vector->join("|"));   ?> |
Output:
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Vector elements after joining
neveropen|for|neveropen
Reference: http://php.net/manual/en/ds-vector.join.php
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