Mega Code Archive
These 2 functions write and read the contents of a specially designated
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multi-dimensional array to and from a text file
<?
Function read_session() {
global $session, $session_path, $session_id;
/* set up session variables */
/* What should we do if the script cannot find the session file? */
$fp = fopen( $session_path.$session_id, "r" );
while(!feof($fp))
{
$line = fgets($fp,100);
$tok = strtok($line, "=");
$a = $tok;
$tok = strtok( "=");
$b = chop($tok);
$c = UrlDecode($b);
if((strlen($c) > 0) && (strlen($a) > 0))
{
eval( "\$session$a = \$c;");
}
}
fclose($fp);
return($fp);
}
Function write_session() {
global $session_path, $session_id, $session, $sm_string_array;
$level = 0;
unset($sm_string_array);
reset($session);
/* Write array to session file */
$fp = fopen($session_path . $session_id, "w");
if($fp != "false")
{
write_session_loop($fp);
} else {
echo "<h2>Session Error " . $fp . ": Cannot Write to File!</h2><br>\n";
}
fclose($fp);
}
Function write_session_loop($fp) {
global $session, $sm_string_array;
static $level=0;
if(IsSet($sm_string_array))
{
$num_elements_string_array = count($sm_string_array);
} else {
$num_elements_string_array = 0;
}
if($num_elements_string_array > 0)
{
$s=0;
$string = "";
while(($s < $num_elements_string_array) && IsSet($sm_string_array[$s]))
{
if(gettype($sm_string_array[$s]) == "string")
{
$string = $string . "['" . $sm_string_array[$s] . "']";
} else {
$string = $string . "[" . $sm_string_array[$s] . "]";
}
$s++;
}
} else {
$string= "";
}
eval( "\$test_array= \$session$string;");
if(gettype($test_array) == "array")
{
$num_elements = count($test_array);
} else {
$num_elements = 0;
eval( "\$value = \$session$string;");
$value_url = UrlEncode($value);
$pair = $string . "=" . $value_url;
fputs($fp, "$pair\n");
}
eval( "reset(\$session$string);");
$x=0;
while($x < $num_elements)
{
eval( "\$key = key(\$session$string);");
$sm_string_array[$level] = $key;
$level++;
unset($sm_string_array[$level]);
write_session_loop($fp); // loop recursively!!!
$level--;
eval( "next(\$session$string);");
$x++;
}
}
?>
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