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| -rw-r--r-- | include/functions.inc.php | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/include/functions.inc.php b/include/functions.inc.php new file mode 100644 index 000000000..a45c4f43d --- /dev/null +++ b/include/functions.inc.php @@ -0,0 +1,286 @@ +<?php +/*************************************************************************** + * functions.inc.php * + * ------------------- * + * application : PhpWebGallery 1.3 * + * author : Pierrick LE GALL <pierrick@z0rglub.com> * + * * + *************************************************************************** + + *************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; * + * * + ***************************************************************************/ +include( 'functions_user.inc.php' ); +include( 'functions_session.inc.php' ); +include( 'functions_category.inc.php' ); + +//----------------------------------------------------------- generic functions + +// The function get_boolean transforms a string to a boolean value. If the +// string is "false" (case insensitive), then the boolean value false is +// returned. In any other case, true is returned. +function get_boolean( $string ) +{ + $boolean = true; + if ( preg_match( '/^false$/i', $string ) ) + { + $boolean = false; + } + return $boolean; +} + +// The function array_remove removes a value from the given array if the value +// existed in this array. +function array_remove( $array, $value ) +{ + $i = 0; + $output = array(); + foreach ( $array as $v ) + { + if ( $v != $value ) + { + $output[$i++] = $v; + } + } + return implode( ',', $output ); +} + +// The function get_moment returns a float value coresponding to the number +// of seconds since the unix epoch (1st January 1970) and the microseconds +// are precised : e.g. 1052343429.89276600 +function get_moment() +{ + $t1 = explode( " ", microtime() ); + $t2 = explode( ".", $t1[0] ); + $t2 = $t1[1].".".$t2[1]; + return $t2; +} + +// The function get_elapsed_time returns the number of seconds (with 3 +// decimals precision) between the start time and the end time given. +function get_elapsed_time( $start, $end ) +{ + return number_format( $end - $start, 3, '.', ' ').' s'; +} + +// - The replace_space function replaces space and '-' characters +// by their HTML equivalent &nbsb; and − +// - The function does not replace characters in HTML tags +// - This function was created because IE5 does not respect the +// CSS "white-space: nowrap;" property unless space and minus +// characters are replaced like this function does. +function replace_space( $string ) +{ + //return $string; + $return_string = ""; + $remaining = $string; + + $start = 0; + $end = 0; + $start = strpos ( $remaining, "<" ); + $end = strpos ( $remaining, ">" ); + while ( is_numeric( $start ) and is_numeric( $end ) ) + { + $treatment = substr ( $remaining, 0, $start ); + $treatment = str_replace( " ", " ", $treatment ); + $treatment = str_replace( "-", "−", $treatment ); + $return_string.= $treatment.substr ( $remaining, $start, + $end - $start + 1 ); + $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); + $start = strpos ( $remaining, "<" ); + $end = strpos ( $remaining, ">" ); + } + $treatment = str_replace( " ", " ", $remaining ); + $treatment = str_replace( "-", "−", $treatment ); + $return_string.= $treatment; + + return $return_string; +} + +// get_dirs retourne un tableau contenant tous les sous-répertoires d'un +// répertoire +function get_dirs( $rep ) +{ + $sub_rep = array(); + + if ( $opendir = opendir ( $rep ) ) + { + while ( $file = readdir ( $opendir ) ) + { + if ( $file != "." and $file != ".." and is_dir ( $rep.$file ) ) + { + array_push( $sub_rep, $file ); + } + } + } + return $sub_rep; +} + +// The get_picture_size function return an array containing : +// - $picture_size[0] : final width +// - $picture_size[1] : final height +// The final dimensions are calculated thanks to the original dimensions and +// the maximum dimensions given in parameters. get_picture_size respects +// the width/height ratio +function get_picture_size( $original_width, $original_height, + $max_width, $max_height ) +{ + $width = $original_width; + $height = $original_height; + $is_original_size = true; + + if ( $max_width != "" ) + { + if ( $original_width > $max_width ) + { + $width = $max_width; + $height = floor( ( $width * $original_height ) / $original_width ); + } + } + if ( $max_height != "" ) + { + if ( $original_height > $max_height ) + { + $height = $max_height; + $width = floor( ( $height * $original_width ) / $original_height ); + $is_original_size = false; + } + } + if ( is_numeric( $max_width ) and is_numeric( $max_height ) + and $max_width != 0 and $max_height != 0 ) + { + $ratioWidth = $original_width / $max_width; + $ratioHeight = $original_height / $max_height; + if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) + { + if ( $ratioWidth < $ratioHeight ) + { + $width = floor( $original_width / $ratioHeight ); + $height = $max_height; + } + else + { + $width = $max_width; + $height = floor( $original_height / $ratioWidth ); + } + $is_original_size = false; + } + } + $picture_size = array(); + $picture_size[0] = $width; + $picture_size[1] = $height; + return $picture_size; +} + +//-------------------------------------------- PhpWebGallery specific functions + +// get_languages retourne un tableau contenant tous les languages +// disponibles pour PhpWebGallery +function get_languages( $rep_language ) +{ + $languages = array(); + $i = 0; + if ( $opendir = opendir ( $rep_language ) ) + { + while ( $file = readdir ( $opendir ) ) + { + if ( is_file ( $rep_language.$file ) + and $file != "index.php" + and strrchr ( $file, "." ) == ".php" ) + { + $languages[$i++] = + substr ( $file, 0, strlen ( $file ) + - strlen ( strrchr ( $file, "." ) ) ); + } + } + } + return $languages; +} + +// get_themes retourne un tableau contenant tous les "template - couleur" +function get_themes( $theme_dir ) +{ + $themes = array(); + $main_themes = get_dirs( $theme_dir ); + for ( $i = 0; $i < sizeof( $main_themes ); $i++ ) + { + $colors = get_dirs( $theme_dir.$main_themes[$i].'/' ); + for ( $j = 0; $j < sizeof( $colors ); $j++ ) + { + array_push( $themes, $main_themes[$i].' - '.$colors[$j] ); + } + } + return $themes; +} + +// - The replace_search function replaces a $search string by the search in +// another color +// - The function does not replace characters in HTML tags +function replace_search( $string, $search ) +{ + //return $string; + $style_search = "background-color:white;color:red;"; + $return_string = ""; + $remaining = $string; + + $start = 0; + $end = 0; + $start = strpos ( $remaining, "<" ); + $end = strpos ( $remaining, ">" ); + while ( is_numeric( $start ) and is_numeric( $end ) ) + { + $treatment = substr ( $remaining, 0, $start ); + $treatment = eregi_replace( $search, "<span style=\"".$style_search."\">". + $search."</span>", $treatment ); + $return_string.= $treatment.substr ( $remaining, $start, + $end - $start + 1 ); + $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); + $start = strpos ( $remaining, "<" ); + $end = strpos ( $remaining, ">" ); + } + $treatment = eregi_replace( $search, "<span style=\"".$style_search."\">". + $search."</span>", $remaining ); + $return_string.= $treatment; + + return $return_string; +} + +function database_connection() +{ + global $cfgHote,$cfgUser,$cfgPassword,$cfgBase; + @mysql_connect( $cfgHote, $cfgUser, $cfgPassword ) + or die ( "Could not connect to server" ); + @mysql_select_db( $cfgBase ) + or die ( "Could not connect to database" ); +} + +function pwg_log( $file, $category, $picture = '' ) +{ + global $conf, $user, $prefixeTable; + + if ( $conf['log'] ) + { + $query = 'insert into '.$prefixeTable.'history'; + $query.= ' (date,login,IP,file,category,picture) values'; + $query.= " (".time().", '".$user['pseudo']."'"; + $query.= ",'".$_SERVER['REMOTE_ADDR']."'"; + $query.= ",'".$file."','".$category."','".$picture."');"; + mysql_query( $query ); + } +} + +function templatize_array( $array, $global_array_name ) +{ + global $vtp, $handle, $lang, $page, $user, $conf; + + for( $i = 0; $i < sizeof( $array ); $i++ ) + { + $vtp->setGlobalVar( $handle, $array[$i], + ${$global_array_name}[$array[$i]] ); + } +} +?>
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