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Top Forums Shell Programming and Scripting create array holding characters from sring then echo array. Post 302138023 by radoulov on Friday 28th of September 2007 08:42:40 AM
Old 09-28-2007
That can be done with code above too ...
 

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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)
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