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PHP Ds / Deque join () function

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Syntax:
public DsDeque::join ($glue): string
Parameters: This function takes one parameter, $glue, which contains a separator to separate Deque elements.Return Value:This function returns all Deque values, concatenated as a string.The following programs illustrate the Ds / Deque::join()function in PHP:Program 1:   // Declare deque $deck = new DsDeque ([1, 2, 3, 4, 5, 6]); echo ( " Original Deque " );  
// Show Deque elements print_r ( $deck ); echo ( " String form: " );  
// Use the join() function to join
// values ​​in Deque var_dump ( $deck -> join ( "|" ));  
?>
Exit:
Original Deque DsDeque Object ([0] = > 1 [1] = > 2 [2] = > 3 [3] = > 4 [4] = > 5 [5] = > 6) String form: string ( 11) "1 | 2 | 3 | 4 | 5 | 6"
Program 2:  
// Declare deque $deck = new DsDeque ([ " Geeks " , " for " , "Geeks" ]); echo ( " Original Deque " );  
// Show Deque elements print_r ( $deck ); echo ( " String form: " );  
// Use the join() function to join
// values ​​in Deque var_dump ( $deck -> join());  
?>
Exit:
Original Deque DsDeque Object ([0] = > Geeks [1] = > for [2] = > Geeks) String form: string (13) "GeeksforGeeks"
Link: http://php.net/manual/en/ds-deque.join.php

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