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Full Discussion: Integer array length
Top Forums Programming Integer array length Post 302851619 by yifangt on Monday 9th of September 2013 11:15:14 AM
Old 09-09-2013
Sorry I meant I tried passing len to the p_array function like this:
Code:
#include<stdio.h>
void qsort(int[], int, int);
void p_array(int[], int);

int main()
{
    int i;
    int array[] = { 55, 66, 32, 12, 9, 73, 2, 4, 37, 36 };
    int len = sizeof(array) / sizeof(int);
    for (i = 0; i < len; i++)
        printf("%d ", array[i]);
    printf("\n");
    p_array(array, len);
return 0;
}

void p_array(int arr[], int size)
{
    int i;
    size = sizeof(arr) / sizeof(int);
//    int size = sizeof (arr) / sizeof (arr[0]);
    for (i = 0; i < size; i++)
        printf("%d ", arr[i]);
    printf("\n");
}

output:
Code:
55 66 32 12 9 73 2 4 37 36 
55 66

I did not catch the part you said it is an array in the main() but pointer in the p_array(). Seems that's the part I missed. Thanks a lot!
 

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LEARN ABOUT PHP

get_defined_vars

GET_DEFINED_VARS(3)							 1						       GET_DEFINED_VARS(3)

get_defined_vars - Returns an array of all defined variables

SYNOPSIS

       array get_defined_vars (void  )

DESCRIPTION

	This  function	returns  a  multidimensional array containing a list of all defined variables, be them environment, server or user-defined
       variables, within the scope that get_defined_vars(3) is called.

RETURN VALUES

	A multidimensional array with all the variables.

EXAMPLES

       Example #1

	      get_defined_vars(3) Example

	      <?php
	      $b = array(1, 1, 2, 3, 5, 8);

	      $arr = get_defined_vars();

	      // print $b
	      print_r($arr["b"]);

	      /* print path to the PHP interpreter (if used as a CGI)
	       * e.g. /usr/local/bin/php */
	      echo $arr["_"];

	      // print the command-line parameters if any
	      print_r($arr["argv"]);

	      // print all the server vars
	      print_r($arr["_SERVER"]);

	      // print all the available keys for the arrays of variables
	      print_r(array_keys(get_defined_vars()));
	      ?>

SEE ALSO

       isset(3), get_defined_functions(3), get_defined_constants(3).

PHP Documentation Group 												       GET_DEFINED_VARS(3)
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