Something

<?php

function getValue($file, $value) {
  $value = $value . "=";
  $handle = fopen($file, "r");
  $contents = fread($handle, filesize($file));
  $arrExplodeNewLine = explode("\n",$contents);
  foreach ($arrExplodeNewLine as $wholeline) {
    if ($value == substr($wholeline, 0, strlen($value))) {
      echo substr($wholeline, strlen($value));
    }
  }
}
getValue("sc_serv.conf","MaxUser");
?>


[test@server ~]$ php test.php
[test@server ~]$ php test.php | more
32
[test@server ~]$