The Ds\Sequence::join() function is an inbuilt function in PHP which is used to join all values as string.
Syntax:
string abstract public Ds\Sequence::join ([ string $glue ] )
Parameter: This function accepts single parameter $glue which is optional. It is used to separate the sequence element.
Return value: This function returns a strings.
Below programs illustrate the Ds\Sequence::join() function in PHP:
Program 1:
<?php   // Create new sequence $seq = new \Ds\Vector(["G", "E", "E",                 "K", "S", 1, 2, 3, 4]);   // Use join() function and // display the string var_dump($seq->join());   ?> |
Output:
string(9) "GEEKS1234"
Program 2:
<?php   // Create new sequence $seq = new \Ds\Vector(["G", "E", "E",                 "K", "S", 1, 2, 3, 4]);   // Use join() function and // display the string separated // with comma var_dump($seq->join(", "));   // Create new sequence $seq = new \Ds\Vector([1, 2, 3, "g", "e"]);   // Use join() function var_dump($seq->join("|"));   ?> |
Output:
string(25) "G, E, E, K, S, 1, 2, 3, 4" string(9) "1|2|3|g|e"
Reference: http://php.net/manual/en/ds-sequence.join.php
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