Errata for PHP Cookbook

The return values, not the arguments, for asin(), acos(), and atan() are in radians. The arguments for these functions are dimensionless. NOW READS: "These functions assume that all angles are in radians, not degrees."

Minute %M I should be lowercase i

Note from the Author or Editor:
This was an error in 1ed, fixed in 2ed.

The order of the parameters were also inversed for in_array, first code line under Solution: NOW READS: if (in_array($value, $array)) {

The order of the parameters of the function were inversed. array_search ($array, $value) NOW READS: array_search ($value, $array)

Inside the pc_debug() function in the first code block of the Solution, inside pc_debug() in the first code block of the Discussion, inside pc_debug() and in the if()/elseif() statement in the last code block of the Discussion: "defined(DEBUG)" NOW READS: "defined('DEBUG')

ftruncate($fp,0) NOW READS: ftruncate($fh,0)

In the following code, the DBM handle was missing for dba_replace and dba_insert. The code at the bottom of page 244 NOW READS: $dbh = dba_open('fish.db','c','gdbm') or die($php_errormsg); // retrieve and change values if (dba_exists('flounder',$dbh)) { $flounder_count = dba_fetch('flounder',$dbh); $flounder_count++; dba_replace('flounder',$flounder_count, $dbh); print "Updated the flounder count."; } else { dba_insert('flounder',1, $dbh); print "Started the flounder count."; } The DBM handle was also missing in the code at the top of page 245; This code NOW READS: // what fish do we have? for ($key = dba_firstkey($dbh); $key !== false; $key = dba_nextkey($dbh)) { $value = dba_fetch($key, $dbh); => print "$key: $value "; } The DBM handle was also missing in the code at the bottom of page 246; This code NOW READS: // read in and unserialize the data if ($exists = dba_exists($_REQUEST['username'], $dbh)) { $serialized_data = dba_fetch($_REQUEST['username'], $dbh) or die($php_errormsg); $data = unserialize($serialized_data); } else { $data = array(); } The DBM handle was also missing for dba_replace and dba_insert, in the code at the top of page 247. This code NOW READS: // write data back to file if ($exists) { dba_replace($_REQUEST['username'],serialize($data), $dbh); } else { dba_insert($_REQUEST['username'],serialize($data), $dbh); }

printf('<tr><td>%s: </td><td><input type="text" name="%s" value="%s">, NOW READS: printf('<tr><td>%s: </td><td><input type="text" name="%s" value="%s">',

The link - http://xmlrpc-epi.sourceforge.net/sample/utils/utils.php NOW READS: http://xmlrpc-epi.sourceforge.net/xmlrpc_php/index.php

The book describes a beta version of Net_Whois. Between the time we wrote the chapter and Net_Whois 1.0, there were some backwards incompatible changes made to the API. Net_Whois::query() is no longer a static method Previously the Solution was: require 'Net/Whois.php'; $server = 'whois.networksolutions.com'; $query = 'example.org'; $data = Net_whois::query($server, $query); The Solution NOW READS: require 'Net/Whois.php'; $server = 'whois.networksolutions.com'; $query = 'example.org'; $whois = new Net_Whois; $data = $whois->query($server, $query); In discussion on page 452, the line "print Net_Whois::query('whois.internic.net', 'example.org');" NOW READS:: $whois = new Net_Whois; print $whois->query('example.org', 'whois.internic.net');

NOW READS: "passes it two arguments: 12; and 56."