egroupware/phpgwapi/inc/php3_support_functions.inc.php
2001-12-28 05:48:33 +00:00

157 lines
3.8 KiB
PHP
Executable File

<?php
/**************************************************************************\
* phpGroupWare API - PHP3 Compatibility layer *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* Has replications of PHP4 only functions to allow for transparent PHP3 *
* compatibility *
* 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 *
\**************************************************************************/
/* $Id$ */
function is_bool($var)
{
$retval = gettype($var) ;
if ( strcmp( $retval, 'unknown type') == 0 )
{
/* Chances are that we have a boolean */
if ($var == True || $var == False)
{
return True;
}
else
{
return False;
}
}
else
{
return False ;
}
}
function array_keys ($arr, $term='')
{
$t = array();
while (list($k,$v) = each($arr))
{
if ($term && $v != $term)
{
continue;
$t[] = $k;
}
return $t;
}
}
/*
function array_reverse ($array, $preserve_keys = False)
{
for(list($key,$value) = @end($array); list($key,$value) = @prev($array); )
{
$temp_array[$key] = $value;
}
return $temp_array;
}
*/
function array_search ($needle, $haystack, $strict = False)
{
@reset($haystack);
while(list($key,$value) = each($haystack))
{
if ($haystack[$key]==$needle && (!$strict || gettype($haystack[$key])==gettype($needle)))
{
return $key;
}
}
return False;
}
function in_array ($needle, $haystack, $strict = False)
{
if(is_array ($haystack) && count($haystack))
{
for(@reset($haystack); $x=each($haystack); )
{
if($needle==$x[1] && (!$strict || gettype($needle)==gettype($x[1])))
{
return True;
}
}
return False;
}
}
function array_shift(&$array)
{
if(!is_array($array))
{
return '';
}
reset($array);
$rtrn = array();
$i = 0;
while(list($key,$value) = each($array))
{
$i++;
if($i == 1)
{
$one = $value;
}
else
{
$rtrn[$key] = $value;
}
}
$array = $rtrn;
return $one;
}
function array_unique ($array)
{
reset($array);
$reversed_array = Array();
while(list($key,$value) = each($array))
{
if (!isset($reversed_array[$value]))
{
$reversed_array[$value] = $key;
}
}
@unset($key);
@unset($value);
while(list($key,$value) = each($reversed_array))
{
$new_array[$key] = $value;
}
return $new_array;
}
function str_repeat($input,$multiplier)
{
for($i=0,$output='';$i<$multiplier;$i++)
{
$output .= $input;
}
return $output;
}
?>