PHP/Utility Function/list

Each line is converted into an array

   <source lang="html4strict">

<?

   $filename="data.txt";
   $filearray = file($filename);
   if ($filearray) {
           while (list($var, $val) = each($filearray)) {
                   ++$var;
                   $val = trim($val);
                   print "Line $var: $val
";
           }
   } else {
           print "Could not open $filename.\n";
   }

?>

 </source>
   
  

Extracting Values from an Array Using list()

   <source lang="html4strict">

<?php

 $scores = array(88, 75, 91, 84);
 list($maths, $english, $history, $biology) = $scores;

printf("

Maths: %d; English: %d; History: %d; Biology: %d.

\n",

         $maths, $english, $history, $biology);

?>

 </source>
   
  

list($maths, $english, , $biology) = $scores;

   <source lang="html4strict">

<?php

 $scores = array(88, 75, 91, 84);
 list($maths, $english, , $biology) = $scores;

@printf("

Maths: %d; English: %d; History: %d; Biology: %d.

\n",

         $maths, $english, $history, $biology);

?>

 </source>
   
  

Using the list() function.

   <source lang="html4strict">

<?php $net_address = array("192.168.1.101", "255.255.255.0", "192.168.1.1"); list($ip_addr, $net_mask, $gateway) = $net_address; echo "ip addr = $ip_addr\n"; echo "net mask = $net_mask\n"; echo "gateway = $gateway\n"; ?>

 </source>