Using the isset() function to see whether an array element is defined for a given index. : isset « Data Type « PHP






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Using the isset() function to see whether an array element is defined for a given index.

 
<?php 
$array = array('a' => 'R', 'b' => 2, c => '2'); 
print "<p>Using for:</p>\n<p>"; 
$limit = count($array); 
for($i = 0; $i < $limit; $i++) 
    if( isset($array[$i]) ) 
        printf("&middot; %s,", $array[$i]); 
?>








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