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egroupware_official/phpgwapi/inc/common_functions.inc.php

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<?php
/**************************************************************************\
* phpGroupWare API - phpgwapi loader *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* Has a few functions, but primary role is to load the phpgwapi *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
/****************************************************************************\
* Direct functions which are not part of the API classes *
* because they are required to be available at the lowest level. *
\***************************************************************************/
/*!
@collection_start direct functions
@abstract Direct functions which are not part of the API classes because they are required to be available at the lowest level.
*/
/*!
@function print_debug_subarray
@abstract Not to be used directly. Should only be used by print_debug()
*/
function print_debug_subarray($array)
{
while(list($key, $value) = each($array))
{
if (is_array($value))
{
$vartypes[$key] = print_debug_subarray($value);
}
else
{
$vartypes[$key] = gettype($value);
}
}
return $vartypes;
}
/*!
@function print_debug
@abstract print debug data only when debugging mode is turned on.
@author seek3r
@discussion This function is used to debugging data.
@syntax print_debug('message', $somevar);
@example print_debug('this is some debugging data',$somevar);
*/
function print_debug($message,$var = 'messageonly',$part = 'app', $level = 3)
{
if (($part == 'app' && EXP_DEBUG_APP == True) || ($part == 'api' && DEBUG_API == True))
{
if (!defined('DEBUG_OUTPUT'))
{
define('DEBUG_OUTPUT', 1);
}
if ($level >= DEBUG_LEVEL)
{
if (!is_array($var))
{
if ($var != 'messageonly')
{
if (!DEBUG_DATATYPES)
{
$output = "$message\n$var";
}
else
{
$output = "$message\n$var is a ".gettype($var);
}
}
else
{
$output = $message;
}
/* Bit 1 means to output to screen */
if (!!(DEBUG_OUTPUT & 1))
{
echo "$output<br>\n";
}
/* Bit 2 means to output to sql */
if (!!(DEBUG_OUTPUT & 2))
{
/* Need to flesh this out still. I dont have a table to dump this in yet.*/
/* So the SQL statement will go here*/
}
/* Example of how this can be extended to output to other locations as well. This example uses a COM object */
/*
if (!!(DEBUG_OUTPUT & 32))
{
$obj_debug = new COM('Some_COM_App.Class','localhost');
if (is_object($obj_debug))
{
$DebugMessage_return = $obj_debug->DebugMessage($output);
}
}
*/
}
else
{
if (floor(phpversion()) > 3 && !!(DEBUG_OUTPUT & 2))
{
ob_start();
}
echo "<pre>\n$message\n";
print_r($var);
if (DEBUG_DATATYPES)
{
while(list($key, $value) = each($var))
{
if (is_array($value))
{
$vartypes[$key] = print_debug_subarray($value);
}
else
{
$vartypes[$key] = gettype($value);
}
}
echo "Data Types:\n";
print_r($vartypes);
}
echo "\n<pre>\n";
if (floor(phpversion()) > 3 && !!(DEBUG_OUTPUT & 2))
{
$output .= ob_get_contents();
ob_end_clean();
/* Need to flesh this out still. I dont have a table to dump this in yet.*/
/* So the SQL statement will go here*/
if (!!(DEBUG_OUTPUT & 1))
{
echo "$output<br>\n";
}
}
}
}
}
}
/*!
@function sanitize
@abstract Validate data.
@author seek3r
@discussion This function is used to validate input data.
@syntax sanitize('type', 'match string');
@example sanitize('number',$somestring);
*/
/*
$GLOBALS['phpgw_info']['server']['sanitize_types']['number'] = Array('type' => 'preg_match', 'string' => '/^[0-9]+$/i');
*/
function sanitize($string,$type)
{
switch ($type)
{
case 'bool':
if ($string == 1 || $string == 0)
{
return True;
}
break;
case "isprint":
$length = strlen($string);
$position = 0;
while ($length > $position)
{
$char = substr($string, $position, 1);
if ($char < ' ' || $char > '~')
{
return False;
}
$position = $position + 1;
}
return True;
break;
case 'alpha':
if (preg_match("/^[a-z]+$/i", $string))
{
return True;
}
break;
case 'number':
if (preg_match("/^[0-9]+$/i", $string))
{
return True;
}
break;
case 'alphanumeric':
if (preg_match("/^[a-z0-9 -._]+$/i", $string))
{
return True;
}
break;
case 'string':
if (preg_match("/^[a-z]+$/i", $string))
{
return True;
}
break;
case 'ip':
if (eregi("^[0-9]{1,3}(\.[0-9]{1,3}){3}$",$string))
{
$octets = split('\.',$string);
for ($i=0; $i != count($octets); $i++)
{
if ($octets[$i] < 0 || $octets[$i] > 255)
{
return False;
}
}
return True;
}
return False;
break;
case 'file':
if (preg_match("/^[a-z0-9_]+\.+[a-z]+$/i", $string))
{
return True;
}
break;
case 'email':
if (eregi("^([[:alnum:]_%+=.-]+)@([[:alnum:]_.-]+)\.([a-z]{2,3}|[0-9]{1,3})$",$string))
{
return True;
}
break;
case "password":
$password_length = strlen($string);
$password_numbers = Array('0','1','2','3','4','5','6','7','8','9');
$password_special_chars = Array(' ','~','`','!','@','#','$','%','^','&','*','(',')','_','+','-','=','{','}','|','[',']',"\\",':','"',';',"'",'<','>','?',',','.','/');
if(@isset($GLOBALS['phpgw_info']['server']['passwd_rules']['min_length']))
{
$min_length = $GLOBALS['phpgw_info']['server']['passwd_rules']['min_length'];
}
else
{
$min_length = 1;
}
if(@isset($GLOBALS['phpgw_info']['server']['passwd_rules']['require_non_alpha']) && $GLOBALS['phpgw_info']['server']['passwd_rules']['require_non_alpha'] == True)
{
$pass_verify_non_alpha = False;
}
else
{
$pass_verify_non_alpha = True;
}
if(@isset($GLOBALS['phpgw_info']['server']['passwd_rules']['require_numbers']) && $GLOBALS['phpgw_info']['server']['passwd_rules']['require_numbers'] == True)
{
$pass_verify_num = False;
}
else
{
$pass_verify_num = True;
}
if(@isset($GLOBALS['phpgw_info']['server']['passwd_rules']['require_special_char']) && $GLOBALS['phpgw_info']['server']['passwd_rules']['require_special_char'] == True)
{
$pass_verify_special_char = False;
}
else
{
$pass_verify_special_char = True;
}
if ($password_length >= $min_length)
{
for ($i=0; $i != $password_length; $i++)
{
$cur_test_string = substr($string, $i, 1);
if (in_array($cur_test_string, $password_numbers) || in_array($cur_test_string, $password_special_chars))
{
$pass_verify_non_alpha = True;
if (in_array($cur_test_string, $password_numbers))
{
$pass_verify_num = True;
}
elseif (in_array($cur_test_string, $password_special_chars))
{
$pass_verify_special_char = True;
}
}
}
if ($pass_verify_num == False)
{
$GLOBALS['phpgw_info']['flags']['msgbox_data']['Password requires at least one non-alpha character']=False;
}
if ($pass_verify_num == False)
{
$GLOBALS['phpgw_info']['flags']['msgbox_data']['Password requires at least one numeric character']=False;
}
if ($pass_verify_special_char == False)
{
$GLOBALS['phpgw_info']['flags']['msgbox_data']['Password requires at least one special character (non-letter and non-number)']=False;
}
if ($pass_verify_num == True && $pass_verify_special_char == True)
{
return True;
}
return False;
}
$GLOBALS['phpgw_info']['flags']['msgbox_data']['Password must be at least '.$min_length.' characters']=False;
return False;
break;
case 'any':
return True;
break;
default :
if (isset($GLOBALS['phpgw_info']['server']['sanitize_types'][$type]['type']))
{
if ($GLOBALS['phpgw_info']['server']['sanitize_types'][$type]['type']($GLOBALS['phpgw_info']['server']['sanitize_types'][$type]['string'], $string))
{
return True;
}
}
return False;
}
}
function registervar($varname, $valuetype = 'alpha', $posttype = 'post', $allowblank = True)
{
switch ($posttype)
{
case 'get':
$posttype = 'HTTP_GET_VARS';
break;
case 'cookie':
$posttype = 'HTTP_COOKIE_VARS';
break;
default :
$posttype = 'HTTP_POST_VARS';
}
if (isset($GLOBALS[$posttype][$varname]))
{
if (!is_array($GLOBALS[$posttype][$varname]))
{
if ($allowblank == True && $GLOBALS[$posttype][$varname] == '')
{
$GLOBALS['phpgw_info'][$GLOBALS['phpgw_info']['flags']['currentapp']][$varname] = $GLOBALS[$posttype][$varname];
return 'Post';
}
else
{
if (sanitize($GLOBALS[$posttype][$varname],$valuetype) == 1)
{
$GLOBALS['phpgw_info'][$GLOBALS['phpgw_info']['flags']['currentapp']][$varname] = $GLOBALS[$posttype][$varname];
return 'Post';
}
else
{
return False;
}
}
return False;
}
else
{
if (is_array($valuetype))
{
reset($GLOBALS[$posttype][$varname]);
$isvalid = True;
while(list($key, $value) = each($GLOBALS[$posttype][$varname]))
{
if ($allowblank == True && $GLOBALS[$posttype][$varname][$key] == '')
{
}
else
{
if (sanitize($GLOBALS[$posttype][$varname][$key],$valuetype[$key]) == 1)
{
}
else
{
$isvalid = False;
}
}
}
if ($isvalid)
{
$GLOBALS['phpgw_info'][$GLOBALS['phpgw_info']['flags']['currentapp']][$varname] = $GLOBALS[$posttype][$varname];
return 'Post';
}
else
{
return 'Session';
}
return False;
}
}
return False;
}
elseif (count($GLOBALS[$posttype]) == 0)
{
return 'Session';
}
else
{
return False;
}
}
/*!
@function include_class
@abstract This will include the class once and guarantee that it is loaded only once. Similar to CreateObject, but does not instantiate the class.
@author skeeter
@discussion This will include the API class once and guarantee that it is loaded only once. Similar to CreateObject, but does not instantiate the class.
@syntax include_class('setup');
@example include_class('setup');
@param $included_class API class to load
*/
function include_class($included_class)
{
if (!isset($GLOBALS['phpgw_info']['flags']['included_classes'][$included_class]) ||
!$GLOBALS['phpgw_info']['flags']['included_classes'][$included_class])
{
$GLOBALS['phpgw_info']['flags']['included_classes'][$included_class] = True;
include(PHPGW_SERVER_ROOT.'/phpgwapi/inc/class.'.$included_class.'.inc.php');
}
}
/*!
@function get_var
@abstract retrieve a value from either a POST, GET, COOKIE, SERVER or from a class variable.
@author skeeter
@discussion This function is used to retrieve a value from a user defined order of methods.
@syntax get_var('id',array('HTTP_POST_VARS'||'POST','HTTP_GET_VARS'||'GET','HTTP_COOKIE_VARS'||'COOKIE','GLOBAL','DEFAULT'));
@example $this->id = get_var('id',array('HTTP_POST_VARS'||'POST','HTTP_GET_VARS'||'GET','HTTP_COOKIE_VARS'||'COOKIE','GLOBAL','DEFAULT'));
@param $variable name
@param $method ordered array of methods to search for supplied variable
@param $default_value (optional)
*/
function get_var($variable,$method,$default_value='')
{
for($i=0;$i<count($method);$i++)
{
switch(strtoupper($method[$i]))
{
case 'DEFAULT':
if($default_value)
{
$var = $default_value;
}
break;
case 'GLOBAL':
if(@isset($GLOBALS[$variable]))
{
$var = $GLOBALS[$variable];
}
break;
case 'POST':
case 'GET':
case 'COOKIE':
case 'SERVER':
if(phpversion() >= '4.2.0')
{
$meth = '_'.strtoupper($method[$i]);
}
else
{
$meth = 'HTTP_'.strtoupper($method[$i]).'_VARS';
}
if(@isset($GLOBALS[$meth][$variable]))
{
$var = $GLOBALS[$meth][$variable];
}
break;
default:
if(@isset($GLOBALS[strtoupper($method[$i])][$variable]))
{
$var = $GLOBALS[strtoupper($method[$i])][$variable];
}
break;
}
}
return (@$var?$var:'');
}
/*!
@function CreateObject
@abstract Load a class and include the class file if not done so already.
@author mdean
@author milosch
@author (thanks to jengo and ralf)
@discussion This function is used to create an instance of a class, and if the class file has not been included it will do so.
@syntax CreateObject('app.class', 'constructor_params');
@example $phpgw->acl = CreateObject('phpgwapi.acl');
@param $classname name of class
@param $p1-$p16 class parameters (all optional)
*/
function CreateObject($class,
$p1='_UNDEF_',$p2='_UNDEF_',$p3='_UNDEF_',$p4='_UNDEF_',
$p5='_UNDEF_',$p6='_UNDEF_',$p7='_UNDEF_',$p8='_UNDEF_',
$p9='_UNDEF_',$p10='_UNDEF_',$p11='_UNDEF_',$p12='_UNDEF_',
$p13='_UNDEF_',$p14='_UNDEF_',$p15='_UNDEF_',$p16='_UNDEF_')
{
global $phpgw_info, $phpgw;
if (is_object(@$GLOBALS['phpgw']->log) && $class != 'phpgwapi.error' && $class != 'phpgwapi.errorlog')
{
//$GLOBALS['phpgw']->log->write(array('text'=>'D-Debug, dbg: %1','p1'=>'This class was run: '.$class,'file'=>__FILE__,'line'=>__LINE__));
}
/* error_reporting(0); */
list($appname,$classname) = explode('.', $class);
if (!isset($GLOBALS['phpgw_info']['flags']['included_classes'][$classname]) ||
!$GLOBALS['phpgw_info']['flags']['included_classes'][$classname])
{
if(@file_exists(PHPGW_INCLUDE_ROOT.'/'.$appname.'/inc/class.'.$classname.'.inc.php'))
{
include(PHPGW_INCLUDE_ROOT.'/'.$appname.'/inc/class.'.$classname.'.inc.php');
$GLOBALS['phpgw_info']['flags']['included_classes'][$classname] = True;
}
else
{
$GLOBALS['phpgw_info']['flags']['included_classes'][$classname] = False;
}
}
if($GLOBALS['phpgw_info']['flags']['included_classes'][$classname])
{
if ($p1 == '_UNDEF_' && $p1 != 1)
{
eval('$obj = new ' . $classname . ';');
}
else
{
$input = array($p1,$p2,$p3,$p4,$p5,$p6,$p7,$p8,$p9,$p10,$p11,$p12,$p13,$p14,$p15,$p16);
$i = 1;
$code = '$obj = new ' . $classname . '(';
while (list($x,$test) = each($input))
{
if (($test == '_UNDEF_' && $test != 1 ) || $i == 17)
{
break;
}
else
{
$code .= '$p' . $i . ',';
}
$i++;
}
$code = substr($code,0,-1) . ');';
eval($code);
}
/* error_reporting(E_ERROR | E_WARNING | E_PARSE); */
return $obj;
}
}
/*!
@function ExecMethod
@abstract Execute a function, and load a class and include the class file if not done so already.
@author seek3r
@discussion This function is used to create an instance of a class, and if the class file has not been included it will do so.
@syntax ExecObject('app.class', 'constructor_params');
@param $method to execute
@param $functionparams function param should be an array
@param $loglevel developers choice of logging level
@param $classparams params to be sent to the contructor
@example ExecObject('phpgwapi.acl.read');
*/
function ExecMethod($method, $functionparams = '_UNDEF_', $loglevel = 3, $classparams = '_UNDEF_')
{
/* Need to make sure this is working against a single dimensional object */
$partscount = count(explode('.',$method)) - 1;
if ($partscount == 2)
{
list($appname,$classname,$functionname) = explode(".", $method);
if (!is_object($GLOBALS[$classname]))
{
if ($classparams != '_UNDEF_' && ($classparams || $classparams != 'True'))
{
$GLOBALS[$classname] = CreateObject($appname.'.'.$classname, $classparams);
}
else
{
$GLOBALS[$classname] = CreateObject($appname.'.'.$classname);
}
}
if ((is_array($functionparams) || $functionparams != '_UNDEF_') && ($functionparams || $functionparams != 'True'))
{
return $GLOBALS[$classname]->$functionname($functionparams);
}
else
{
return $GLOBALS[$classname]->$functionname();
}
}
/* if the $method includes a parent class (multi-dimensional) then we have to work from it */
elseif ($partscount >= 3)
{
$GLOBALS['methodparts'] = explode(".", $method);
$classpartnum = $partscount - 1;
$appname = $GLOBALS['methodparts'][0];
$classname = $GLOBALS['methodparts'][$classpartnum];
$functionname = $GLOBALS['methodparts'][$partscount];
/* Now I clear these out of the array so that I can do a proper */
/* loop and build the $parentobject */
unset ($GLOBALS['methodparts'][0]);
unset ($GLOBALS['methodparts'][$classpartnum]);
unset ($GLOBALS['methodparts'][$partscount]);
reset ($GLOBALS['methodparts']);
$firstparent = 'True';
while (list ($key, $val) = each ($GLOBALS['methodparts']))
{
if ($firstparent == 'True')
{
$parentobject = '$GLOBALS["'.$val.'"]';
$firstparent = False;
}
else
{
$parentobject .= '->'.$val;
}
}
unset($GLOBALS['methodparts']);
$code = '$isobject = is_object('.$parentobject.'->'.$classname.');';
eval ($code);
if (!$isobject)
{
if ($classparams != '_UNDEF_' && ($classparams || $classparams != 'True'))
{
if (is_string($classparams))
{
eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'", "'.$classparams.'");');
}
else
{
eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'", '.$classparams.');');
}
}
else
{
eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'");');
}
}
if ($functionparams != '_UNDEF_' && ($functionparams || $functionparams != 'True'))
{
eval('$returnval = '.$parentobject.'->'.$classname.'->'.$functionname.'('.$functionparams.');');
return $returnval;
}
else
{
eval('$returnval = '.$parentobject.'->'.$classname.'->'.$functionname.'();');
return $returnval;
}
}
else
{
return 'error in parts';
}
}
/*!
@function get_account_id
@abstract Return a properly formatted account_id.
@author skeeter
@discussion This function will return a properly formatted account_id. This can take either a name or an account_id as paramters. If a name is provided it will return the associated id.
@syntax get_account_id($accountid);
@example $account_id = get_account_id($accountid);
@param $account_id either a name or an id
@param $default_id either a name or an id
*/
function get_account_id($account_id = '',$default_id = '')
{
if (gettype($account_id) == 'integer')
{
return $account_id;
}
elseif ($account_id == '')
{
if ($default_id == '')
{
return (isset($GLOBALS['phpgw_info']['user']['account_id'])?$GLOBALS['phpgw_info']['user']['account_id']:0);
}
elseif (is_string($default_id))
{
return $GLOBALS['phpgw']->accounts->name2id($default_id);
}
return intval($default_id);
}
elseif (is_string($account_id))
{
if($GLOBALS['phpgw']->accounts->exists(intval($account_id)) == True)
{
return intval($account_id);
}
else
{
return $GLOBALS['phpgw']->accounts->name2id($account_id);
}
}
}
/*!
@function filesystem_separator
@abstract sets the file system seperator depending on OS
@result file system separator
*/
function filesystem_separator()
{
if (PHP_OS == 'Windows' || PHP_OS == 'OS/2')
{
return '\\';
}
else
{
return '/';
}
}
/* Just a wrapper to my new print_r() function I added to the php3 support file. Seek3r */
function _debug_array($array,$print=True)
{
$four = False;
if(@floor(phpversion()) == 4)
{
$four = True;
}
if($four)
{
if(!$print)
{
ob_start();
}
echo '<pre>';
print_r($array);
echo '</pre>';
if(!$print)
{
$v = ob_get_contents();
ob_end_clean();
return $v;
}
}
else
{
return print_r($array,False,$print);
}
}
/*
@function alessthanb
@abstract phpgw version checking, is param 1 < param 2 in phpgw versionspeak?
@param $a phpgw version number to check if less than $b
@param $b phpgw version number to check $a against
#return True if $a < $b
*/
function alessthanb($a,$b,$DEBUG=False)
{
$num = array('1st','2nd','3rd','4th');
if ($DEBUG)
{
echo'<br>Input values: '
. 'A="'.$a.'", B="'.$b.'"';
}
$newa = ereg_replace('pre','.',$a);
$newb = ereg_replace('pre','.',$b);
$testa = explode('.',$newa);
if(@$testa[1] == '')
{
$testa[1] = 0;
}
if(@$testa[3] == '')
{
$testa[3] = 0;
}
$testb = explode('.',$newb);
if(@$testb[1] == '')
{
$testb[1] = 0;
}
if(@$testb[3] == '')
{
$testb[3] = 0;
}
$less = 0;
for ($i=0;$i<count($testa);$i++)
{
if ($DEBUG) { echo'<br>Checking if '. intval($testa[$i]) . ' is less than ' . intval($testb[$i]) . ' ...'; }
if (intval($testa[$i]) < intval($testb[$i]))
{
if ($DEBUG) { echo ' yes.'; }
$less++;
if ($i<3)
{
/* Ensure that this is definitely smaller */
if ($DEBUG) { echo" This is the $num[$i] octet, so A is definitely less than B."; }
$less = 5;
break;
}
}
elseif(intval($testa[$i]) > intval($testb[$i]))
{
if ($DEBUG) { echo ' no.'; }
$less--;
if ($i<2)
{
/* Ensure that this is definitely greater */
if ($DEBUG) { echo" This is the $num[$i] octet, so A is definitely greater than B."; }
$less = -5;
break;
}
}
else
{
if ($DEBUG) { echo ' no, they are equal.'; }
$less = 0;
}
}
if ($DEBUG) { echo '<br>Check value is: "'.$less.'"'; }
if ($less>0)
{
if ($DEBUG) { echo '<br>A is less than B'; }
return True;
}
elseif($less<0)
{
if ($DEBUG) { echo '<br>A is greater than B'; }
return False;
}
else
{
if ($DEBUG) { echo '<br>A is equal to B'; }
return False;
}
}
/*!
@function amorethanb
@abstract phpgw version checking, is param 1 > param 2 in phpgw versionspeak?
@param $a phpgw version number to check if more than $b
@param $b phpgw version number to check $a against
#return True if $a < $b
*/
function amorethanb($a,$b,$DEBUG=False)
{
$num = array('1st','2nd','3rd','4th');
if ($DEBUG)
{
echo'<br>Input values: '
. 'A="'.$a.'", B="'.$b.'"';
}
$newa = ereg_replace('pre','.',$a);
$newb = ereg_replace('pre','.',$b);
$testa = explode('.',$newa);
if($testa[3] == '')
{
$testa[3] = 0;
}
$testb = explode('.',$newb);
if($testb[3] == '')
{
$testb[3] = 0;
}
$less = 0;
for ($i=0;$i<count($testa);$i++)
{
if ($DEBUG) { echo'<br>Checking if '. intval($testa[$i]) . ' is more than ' . intval($testb[$i]) . ' ...'; }
if (intval($testa[$i]) > intval($testb[$i]))
{
if ($DEBUG) { echo ' yes.'; }
$less++;
if ($i<3)
{
/* Ensure that this is definitely greater */
if ($DEBUG) { echo" This is the $num[$i] octet, so A is definitely greater than B."; }
$less = 5;
break;
}
}
elseif(intval($testa[$i]) < intval($testb[$i]))
{
if ($DEBUG) { echo ' no.'; }
$less--;
if ($i<2)
{
/* Ensure that this is definitely smaller */
if ($DEBUG) { echo" This is the $num[$i] octet, so A is definitely less than B."; }
$less = -5;
break;
}
}
else
{
if ($DEBUG) { echo ' no, they are equal.'; }
$less = 0;
}
}
if ($DEBUG) { echo '<br>Check value is: "'.$less.'"'; }
if ($less>0)
{
if ($DEBUG) { echo '<br>A is greater than B'; }
return True;
}
elseif($less<0)
{
if ($DEBUG) { echo '<br>A is less than B'; }
return False;
}
else
{
if ($DEBUG) { echo '<br>A is equal to B'; }
return False;
}
}
?>
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