Print in next line after coma

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LEARN ABOUT PHP

key

KEY(3)									 1								    KEY(3)

key - Fetch a key from an array

SYNOPSIS

       mixed key (array  &$array)

DESCRIPTION

       key(3) returns the index element of the current array position.

PARAMETERS

	      o $array
		- The array.

RETURN VALUES

	The  key(3)  function  simply  returns the key of the array element that's currently being pointed to by the internal pointer. It does not
       move the pointer in any way. If the internal pointer points beyond the end of the elements list or the array is empty, key(3) returns NULL.

EXAMPLES

       Example #1

	      key(3) example

	      <?php
	      $array = array(
		  'fruit1' => 'apple',
		  'fruit2' => 'orange',
		  'fruit3' => 'grape',
		  'fruit4' => 'apple',
		  'fruit5' => 'apple');

	      // this cycle echoes all associative array
	      // key where value equals "apple"
	      while ($fruit_name = current($array)) {
		  if ($fruit_name == 'apple') {
		      echo key($array).'<br />';
		  }
		  next($array);
	      }
	      ?>

	      The above example will output:

	      fruit1<br />
	      fruit4<br />
	      fruit5<br />

SEE ALSO

       current(3), next(3).

PHP Documentation Group 														    KEY(3)

Shell Programming and Scripting