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PHP Ds / Stack clear () function

Syntax :
void public DsStack::clear (void)
Parameters: This function takes no parameters.Return Value : This function does not return any value.The following programs illustrate the Ds / Stack function: : clear() :Program 1:  
// PHP illustration program
// clear() function 
// Create a stack instance $stack = new DsStack();  
// Push items onto the stack $stack -> push ( "Welcome" ); $stack -> push ( "to" ); $stack -> push ( "GfG" );  
// Print stack print_r ( $stack );  
// clear stack $stack -> clear();  
// Print the stack again print_r ( $stack );  
?>
Output:
DsStack Object ([0] = > GfG [1] = > to [2] = > Welcome) DsStack Object()
Program 2 :  
// PHP illustration program
// clear() function 
// Create a stack instance $stack = new DsStack();  
// Put elements with mixed values ​​on the stack $stack -> push ( "Welcome" ); $stack -> push ( "to" ); $stack -> push ( "GfG" ); $stack -> push (10); $stack -> push (5.5);  
// Print stack print_r ( $stack );  
// clear stack $stack -> clear();  
// Print the stack again print_r ( $stack );  
?>
Output:
DsStack Object ([0] = > 5.5 [1] = > 10 [2] = > GfG [3] = > to [4] = > Welcome) DsStack Object()  Link :  http://php.net /manual/en/ds-stack.clear.php 
    

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