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Initial revision
git-svn-id: http://piwigo.org/svn/trunk@2 68402e56-0260-453c-a942-63ccdbb3a9ee
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z0rglub
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<?php
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/***************************************************************************
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* functions.inc.php *
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* ------------------- *
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* application : PhpWebGallery 1.3 *
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* author : Pierrick LE GALL <pierrick@z0rglub.com> *
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* *
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***************************************************************************
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; *
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* *
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***************************************************************************/
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include( 'functions_user.inc.php' );
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include( 'functions_session.inc.php' );
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include( 'functions_category.inc.php' );
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//----------------------------------------------------------- generic functions
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// The function get_boolean transforms a string to a boolean value. If the
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// string is "false" (case insensitive), then the boolean value false is
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// returned. In any other case, true is returned.
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function get_boolean( $string )
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{
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$boolean = true;
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if ( preg_match( '/^false$/i', $string ) )
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{
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$boolean = false;
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}
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return $boolean;
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}
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// The function array_remove removes a value from the given array if the value
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// existed in this array.
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function array_remove( $array, $value )
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{
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$i = 0;
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$output = array();
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foreach ( $array as $v )
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{
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if ( $v != $value )
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{
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$output[$i++] = $v;
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}
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}
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return implode( ',', $output );
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}
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// The function get_moment returns a float value coresponding to the number
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// of seconds since the unix epoch (1st January 1970) and the microseconds
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// are precised : e.g. 1052343429.89276600
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function get_moment()
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{
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$t1 = explode( " ", microtime() );
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$t2 = explode( ".", $t1[0] );
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$t2 = $t1[1].".".$t2[1];
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return $t2;
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}
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// The function get_elapsed_time returns the number of seconds (with 3
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// decimals precision) between the start time and the end time given.
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function get_elapsed_time( $start, $end )
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{
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return number_format( $end - $start, 3, '.', ' ').' s';
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}
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// - The replace_space function replaces space and '-' characters
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// by their HTML equivalent &nbsb; and −
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// - The function does not replace characters in HTML tags
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// - This function was created because IE5 does not respect the
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// CSS "white-space: nowrap;" property unless space and minus
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// characters are replaced like this function does.
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function replace_space( $string )
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{
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//return $string;
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$return_string = "";
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$remaining = $string;
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$start = 0;
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$end = 0;
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$start = strpos ( $remaining, "<" );
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$end = strpos ( $remaining, ">" );
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while ( is_numeric( $start ) and is_numeric( $end ) )
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{
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$treatment = substr ( $remaining, 0, $start );
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$treatment = str_replace( " ", " ", $treatment );
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$treatment = str_replace( "-", "−", $treatment );
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$return_string.= $treatment.substr ( $remaining, $start,
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$end - $start + 1 );
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$remaining = substr ( $remaining, $end + 1, strlen( $remaining ) );
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$start = strpos ( $remaining, "<" );
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$end = strpos ( $remaining, ">" );
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}
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$treatment = str_replace( " ", " ", $remaining );
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$treatment = str_replace( "-", "−", $treatment );
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$return_string.= $treatment;
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return $return_string;
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}
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// get_dirs retourne un tableau contenant tous les sous-répertoires d'un
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// répertoire
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function get_dirs( $rep )
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{
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$sub_rep = array();
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if ( $opendir = opendir ( $rep ) )
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{
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while ( $file = readdir ( $opendir ) )
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{
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if ( $file != "." and $file != ".." and is_dir ( $rep.$file ) )
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{
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array_push( $sub_rep, $file );
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}
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}
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}
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return $sub_rep;
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}
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// The get_picture_size function return an array containing :
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// - $picture_size[0] : final width
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// - $picture_size[1] : final height
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// The final dimensions are calculated thanks to the original dimensions and
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// the maximum dimensions given in parameters. get_picture_size respects
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// the width/height ratio
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function get_picture_size( $original_width, $original_height,
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$max_width, $max_height )
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{
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$width = $original_width;
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$height = $original_height;
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$is_original_size = true;
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if ( $max_width != "" )
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{
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if ( $original_width > $max_width )
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{
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$width = $max_width;
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$height = floor( ( $width * $original_height ) / $original_width );
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}
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}
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if ( $max_height != "" )
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{
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if ( $original_height > $max_height )
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{
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$height = $max_height;
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$width = floor( ( $height * $original_width ) / $original_height );
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$is_original_size = false;
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}
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}
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if ( is_numeric( $max_width ) and is_numeric( $max_height )
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and $max_width != 0 and $max_height != 0 )
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{
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$ratioWidth = $original_width / $max_width;
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$ratioHeight = $original_height / $max_height;
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if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) )
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{
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if ( $ratioWidth < $ratioHeight )
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{
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$width = floor( $original_width / $ratioHeight );
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$height = $max_height;
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}
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else
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{
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$width = $max_width;
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$height = floor( $original_height / $ratioWidth );
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}
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$is_original_size = false;
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}
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}
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$picture_size = array();
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$picture_size[0] = $width;
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$picture_size[1] = $height;
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return $picture_size;
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}
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//-------------------------------------------- PhpWebGallery specific functions
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// get_languages retourne un tableau contenant tous les languages
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// disponibles pour PhpWebGallery
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function get_languages( $rep_language )
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{
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$languages = array();
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$i = 0;
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if ( $opendir = opendir ( $rep_language ) )
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{
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while ( $file = readdir ( $opendir ) )
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{
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if ( is_file ( $rep_language.$file )
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and $file != "index.php"
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and strrchr ( $file, "." ) == ".php" )
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{
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$languages[$i++] =
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substr ( $file, 0, strlen ( $file )
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- strlen ( strrchr ( $file, "." ) ) );
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}
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}
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}
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return $languages;
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}
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// get_themes retourne un tableau contenant tous les "template - couleur"
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function get_themes( $theme_dir )
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{
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$themes = array();
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$main_themes = get_dirs( $theme_dir );
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for ( $i = 0; $i < sizeof( $main_themes ); $i++ )
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{
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$colors = get_dirs( $theme_dir.$main_themes[$i].'/' );
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for ( $j = 0; $j < sizeof( $colors ); $j++ )
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{
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array_push( $themes, $main_themes[$i].' - '.$colors[$j] );
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}
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}
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return $themes;
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}
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// - The replace_search function replaces a $search string by the search in
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// another color
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// - The function does not replace characters in HTML tags
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function replace_search( $string, $search )
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{
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//return $string;
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$style_search = "background-color:white;color:red;";
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$return_string = "";
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$remaining = $string;
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$start = 0;
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$end = 0;
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$start = strpos ( $remaining, "<" );
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$end = strpos ( $remaining, ">" );
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while ( is_numeric( $start ) and is_numeric( $end ) )
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{
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$treatment = substr ( $remaining, 0, $start );
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$treatment = eregi_replace( $search, "<span style=\"".$style_search."\">".
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$search."</span>", $treatment );
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$return_string.= $treatment.substr ( $remaining, $start,
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$end - $start + 1 );
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$remaining = substr ( $remaining, $end + 1, strlen( $remaining ) );
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$start = strpos ( $remaining, "<" );
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$end = strpos ( $remaining, ">" );
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}
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$treatment = eregi_replace( $search, "<span style=\"".$style_search."\">".
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$search."</span>", $remaining );
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$return_string.= $treatment;
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return $return_string;
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}
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function database_connection()
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{
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global $cfgHote,$cfgUser,$cfgPassword,$cfgBase;
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@mysql_connect( $cfgHote, $cfgUser, $cfgPassword )
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or die ( "Could not connect to server" );
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@mysql_select_db( $cfgBase )
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or die ( "Could not connect to database" );
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}
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function pwg_log( $file, $category, $picture = '' )
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{
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global $conf, $user, $prefixeTable;
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if ( $conf['log'] )
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{
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$query = 'insert into '.$prefixeTable.'history';
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$query.= ' (date,login,IP,file,category,picture) values';
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$query.= " (".time().", '".$user['pseudo']."'";
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$query.= ",'".$_SERVER['REMOTE_ADDR']."'";
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$query.= ",'".$file."','".$category."','".$picture."');";
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mysql_query( $query );
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}
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}
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function templatize_array( $array, $global_array_name )
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{
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global $vtp, $handle, $lang, $page, $user, $conf;
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for( $i = 0; $i < sizeof( $array ); $i++ )
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{
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$vtp->setGlobalVar( $handle, $array[$i],
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${$global_array_name}[$array[$i]] );
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}
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}
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?>
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