| 1 | <?php |
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| 2 | /*************************************************************************** |
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| 3 | * functions.inc.php * |
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| 4 | * ------------------- * |
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| 5 | * application : PhpWebGallery 1.3 * |
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| 6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
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| 7 | * * |
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| 8 | *************************************************************************** |
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| 9 | |
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| 10 | *************************************************************************** |
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| 11 | * * |
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| 12 | * This program is free software; you can redistribute it and/or modify * |
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| 13 | * it under the terms of the GNU General Public License as published by * |
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| 14 | * the Free Software Foundation; * |
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| 15 | * * |
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| 16 | ***************************************************************************/ |
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| 17 | include( 'functions_user.inc.php' ); |
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| 18 | include( 'functions_session.inc.php' ); |
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| 19 | include( 'functions_category.inc.php' ); |
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| 20 | include( 'functions_xml.inc.php' ); |
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| 21 | include( 'functions_group.inc.php' ); |
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| 22 | |
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| 23 | //----------------------------------------------------------- generic functions |
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| 24 | |
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| 25 | // get_enums returns an array containing the possible values of a enum field |
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| 26 | // in a table of the database. |
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| 27 | function get_enums( $table, $field ) |
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| 28 | { |
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| 29 | // retrieving the properties of the table. Each line represents a field : |
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| 30 | // columns are 'Field', 'Type' |
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| 31 | $result=mysql_query("desc $table"); |
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| 32 | while ( $row = mysql_fetch_array( $result ) ) |
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| 33 | { |
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| 34 | // we are only interested in the the field given in parameter for the |
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| 35 | // function |
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| 36 | if ( $row['Field']==$field ) |
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| 37 | { |
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| 38 | // retrieving possible values of the enum field |
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| 39 | // enum('blue','green','black') |
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| 40 | $option = explode( ',', substr($row['Type'], 5, -1 ) ); |
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| 41 | for ( $i = 0; $i < sizeof( $option ); $i++ ) |
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| 42 | { |
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| 43 | // deletion of quotation marks |
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| 44 | $option[$i] = str_replace( "'", '',$option[$i] ); |
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| 45 | } |
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| 46 | } |
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| 47 | } |
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| 48 | mysql_free_result( $result ); |
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| 49 | return $option; |
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| 50 | } |
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| 51 | |
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| 52 | // get_boolean transforms a string to a boolean value. If the string is |
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| 53 | // "false" (case insensitive), then the boolean value false is returned. In |
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| 54 | // any other case, true is returned. |
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| 55 | function get_boolean( $string ) |
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| 56 | { |
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| 57 | $boolean = true; |
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| 58 | if ( preg_match( '/^false$/i', $string ) ) |
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| 59 | { |
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| 60 | $boolean = false; |
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| 61 | } |
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| 62 | return $boolean; |
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| 63 | } |
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| 64 | |
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| 65 | // array_remove removes a value from the given array if the value existed in |
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| 66 | // this array. |
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| 67 | function array_remove( $array, $value ) |
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| 68 | { |
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| 69 | $i = 0; |
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| 70 | $output = array(); |
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| 71 | foreach ( $array as $v ) |
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| 72 | { |
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| 73 | if ( $v != $value ) |
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| 74 | { |
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| 75 | $output[$i++] = $v; |
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| 76 | } |
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| 77 | } |
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| 78 | return implode( ',', $output ); |
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| 79 | } |
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| 80 | |
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| 81 | // The function get_moment returns a float value coresponding to the number |
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| 82 | // of seconds since the unix epoch (1st January 1970) and the microseconds |
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| 83 | // are precised : e.g. 1052343429.89276600 |
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| 84 | function get_moment() |
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| 85 | { |
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| 86 | $t1 = explode( ' ', microtime() ); |
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| 87 | $t2 = explode( '.', $t1[0] ); |
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| 88 | $t2 = $t1[1].'.'.$t2[1]; |
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| 89 | return $t2; |
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| 90 | } |
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| 91 | |
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| 92 | // The function get_elapsed_time returns the number of seconds (with 3 |
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| 93 | // decimals precision) between the start time and the end time given. |
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| 94 | function get_elapsed_time( $start, $end ) |
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| 95 | { |
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| 96 | return number_format( $end - $start, 3, '.', ' ').' s'; |
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| 97 | } |
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| 98 | |
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| 99 | // - The replace_space function replaces space and '-' characters |
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| 100 | // by their HTML equivalent &nbsb; and − |
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| 101 | // - The function does not replace characters in HTML tags |
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| 102 | // - This function was created because IE5 does not respect the |
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| 103 | // CSS "white-space: nowrap;" property unless space and minus |
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| 104 | // characters are replaced like this function does. |
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| 105 | // - Example : |
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| 106 | // <div class="foo">My friend</div> |
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| 107 | // ( 01234567891111111111222222222233 ) |
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| 108 | // ( 0123456789012345678901 ) |
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| 109 | // becomes : |
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| 110 | // <div class="foo">My friend</div> |
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| 111 | function replace_space( $string ) |
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| 112 | { |
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| 113 | //return $string; |
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| 114 | $return_string = ''; |
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| 115 | // $remaining is the rest of the string where to replace spaces characters |
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| 116 | $remaining = $string; |
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| 117 | // $start represents the position of the next '<' character |
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| 118 | // $end represents the position of the next '>' character |
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| 119 | $start = 0; |
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| 120 | $end = 0; |
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| 121 | $start = strpos ( $remaining, '<' ); // -> 0 |
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| 122 | $end = strpos ( $remaining, '>' ); // -> 16 |
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| 123 | // as long as a '<' and his friend '>' are found, we loop |
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| 124 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
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| 125 | { |
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| 126 | // $treatment is the part of the string to treat |
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| 127 | // In the first loop of our example, this variable is empty, but in the |
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| 128 | // second loop, it equals 'My friend' |
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| 129 | $treatment = substr ( $remaining, 0, $start ); |
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| 130 | // Replacement of ' ' by his equivalent ' ' |
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| 131 | $treatment = str_replace( ' ', ' ', $treatment ); |
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| 132 | $treatment = str_replace( '-', '−', $treatment ); |
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| 133 | // composing the string to return by adding the treated string and the |
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| 134 | // following HTML tag -> 'My friend</div>' |
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| 135 | $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); |
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| 136 | // the remaining string is deplaced to the part after the '>' of this |
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| 137 | // loop |
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| 138 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
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| 139 | $start = strpos ( $remaining, '<' ); |
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| 140 | $end = strpos ( $remaining, '>' ); |
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| 141 | } |
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| 142 | $treatment = str_replace( ' ', ' ', $remaining ); |
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| 143 | $treatment = str_replace( '-', '−', $treatment ); |
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| 144 | $return_string.= $treatment; |
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| 145 | |
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| 146 | return $return_string; |
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| 147 | } |
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| 148 | |
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| 149 | // get_extension returns the part of the string after the last "." |
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| 150 | function get_extension( $filename ) |
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| 151 | { |
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| 152 | return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) ); |
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| 153 | } |
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| 154 | |
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| 155 | // get_filename_wo_extension returns the part of the string before the last |
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| 156 | // ".". |
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| 157 | // get_filename_wo_extension( 'test.tar.gz' ) -> 'test.tar' |
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| 158 | function get_filename_wo_extension( $filename ) |
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| 159 | { |
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| 160 | return substr( $filename, 0, strrpos( $filename, '.' ) ); |
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| 161 | } |
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| 162 | |
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| 163 | // get_dirs retourne un tableau contenant tous les sous-répertoires d'un |
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| 164 | // répertoire |
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| 165 | function get_dirs( $rep ) |
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| 166 | { |
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| 167 | $sub_rep = array(); |
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| 168 | |
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| 169 | if ( $opendir = opendir ( $rep ) ) |
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| 170 | { |
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| 171 | while ( $file = readdir ( $opendir ) ) |
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| 172 | { |
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| 173 | if ( $file != '.' and $file != '..' and is_dir ( $rep.$file ) ) |
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| 174 | { |
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| 175 | array_push( $sub_rep, $file ); |
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| 176 | } |
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| 177 | } |
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| 178 | } |
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| 179 | return $sub_rep; |
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| 180 | } |
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| 181 | |
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| 182 | // The get_picture_size function return an array containing : |
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| 183 | // - $picture_size[0] : final width |
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| 184 | // - $picture_size[1] : final height |
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| 185 | // The final dimensions are calculated thanks to the original dimensions and |
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| 186 | // the maximum dimensions given in parameters. get_picture_size respects |
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| 187 | // the width/height ratio |
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| 188 | function get_picture_size( $original_width, $original_height, |
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| 189 | $max_width, $max_height ) |
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| 190 | { |
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| 191 | $width = $original_width; |
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| 192 | $height = $original_height; |
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| 193 | $is_original_size = true; |
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| 194 | |
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| 195 | if ( $max_width != "" ) |
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| 196 | { |
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| 197 | if ( $original_width > $max_width ) |
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| 198 | { |
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| 199 | $width = $max_width; |
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| 200 | $height = floor( ( $width * $original_height ) / $original_width ); |
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| 201 | } |
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| 202 | } |
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| 203 | if ( $max_height != "" ) |
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| 204 | { |
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| 205 | if ( $original_height > $max_height ) |
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| 206 | { |
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| 207 | $height = $max_height; |
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| 208 | $width = floor( ( $height * $original_width ) / $original_height ); |
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| 209 | $is_original_size = false; |
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| 210 | } |
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| 211 | } |
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| 212 | if ( is_numeric( $max_width ) and is_numeric( $max_height ) |
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| 213 | and $max_width != 0 and $max_height != 0 ) |
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| 214 | { |
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| 215 | $ratioWidth = $original_width / $max_width; |
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| 216 | $ratioHeight = $original_height / $max_height; |
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| 217 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
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| 218 | { |
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| 219 | if ( $ratioWidth < $ratioHeight ) |
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| 220 | { |
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| 221 | $width = floor( $original_width / $ratioHeight ); |
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| 222 | $height = $max_height; |
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| 223 | } |
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| 224 | else |
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| 225 | { |
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| 226 | $width = $max_width; |
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| 227 | $height = floor( $original_height / $ratioWidth ); |
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| 228 | } |
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| 229 | $is_original_size = false; |
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| 230 | } |
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| 231 | } |
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| 232 | $picture_size = array(); |
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| 233 | $picture_size[0] = $width; |
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| 234 | $picture_size[1] = $height; |
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| 235 | return $picture_size; |
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| 236 | } |
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| 237 | //-------------------------------------------- PhpWebGallery specific functions |
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| 238 | |
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| 239 | // get_languages retourne un tableau contenant tous les languages |
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| 240 | // disponibles pour PhpWebGallery |
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| 241 | function get_languages( $rep_language ) |
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| 242 | { |
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| 243 | $languages = array(); |
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| 244 | $i = 0; |
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| 245 | if ( $opendir = opendir ( $rep_language ) ) |
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| 246 | { |
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| 247 | while ( $file = readdir ( $opendir ) ) |
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| 248 | { |
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| 249 | if ( is_file ( $rep_language.$file ) |
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| 250 | and $file != "index.php" |
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| 251 | and strrchr ( $file, "." ) == ".php" ) |
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| 252 | { |
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| 253 | $languages[$i++] = |
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| 254 | substr ( $file, 0, strlen ( $file ) |
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| 255 | - strlen ( strrchr ( $file, "." ) ) ); |
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| 256 | } |
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| 257 | } |
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| 258 | } |
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| 259 | return $languages; |
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| 260 | } |
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| 261 | |
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| 262 | // get_themes retourne un tableau contenant tous les "template - couleur" |
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| 263 | function get_themes( $theme_dir ) |
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| 264 | { |
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| 265 | $themes = array(); |
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| 266 | $main_themes = get_dirs( $theme_dir ); |
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| 267 | for ( $i = 0; $i < sizeof( $main_themes ); $i++ ) |
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| 268 | { |
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| 269 | $colors = get_dirs( $theme_dir.$main_themes[$i].'/' ); |
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| 270 | for ( $j = 0; $j < sizeof( $colors ); $j++ ) |
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| 271 | { |
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| 272 | array_push( $themes, $main_themes[$i].' - '.$colors[$j] ); |
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| 273 | } |
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| 274 | } |
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| 275 | return $themes; |
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| 276 | } |
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| 277 | |
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| 278 | // - add_style replaces the |
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| 279 | // $search into <span style="$style">$search</span> |
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| 280 | // in the given $string. |
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| 281 | // - The function does not replace characters in HTML tags |
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| 282 | function add_style( $string, $search, $style ) |
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| 283 | { |
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| 284 | //return $string; |
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| 285 | $return_string = ''; |
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| 286 | $remaining = $string; |
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| 287 | |
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| 288 | $start = 0; |
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| 289 | $end = 0; |
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| 290 | $start = strpos ( $remaining, '<' ); |
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| 291 | $end = strpos ( $remaining, '>' ); |
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| 292 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
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| 293 | { |
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| 294 | $treatment = substr ( $remaining, 0, $start ); |
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| 295 | $treatment = str_replace( $search, '<span style="'.$style.'">'. |
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| 296 | $search.'</span>', $treatment ); |
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| 297 | $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); |
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| 298 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
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| 299 | $start = strpos ( $remaining, '<' ); |
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| 300 | $end = strpos ( $remaining, '>' ); |
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| 301 | } |
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| 302 | $treatment = str_replace( $search, '<span style="'.$style.'">'. |
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| 303 | $search.'</span>', $remaining ); |
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| 304 | $return_string.= $treatment; |
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| 305 | |
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| 306 | return $return_string; |
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| 307 | } |
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| 308 | |
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| 309 | // replace_search replaces a searched words array string by the search in |
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| 310 | // another style for the given $string. |
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| 311 | function replace_search( $string, $search ) |
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| 312 | { |
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| 313 | $words = explode( ',', $search ); |
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| 314 | $style = 'background-color:white;color:red;'; |
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| 315 | foreach ( $words as $word ) { |
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| 316 | $string = add_style( $string, $word, $style ); |
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| 317 | } |
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| 318 | return $string; |
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| 319 | } |
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| 320 | |
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| 321 | function database_connection() |
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| 322 | { |
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| 323 | // $xml_content = getXmlCode( PREFIXE_INCLUDE.'./include/database_config.xml' ); |
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| 324 | // $mysql_conf = getChild( $xml_content, 'mysql' ); |
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| 325 | |
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| 326 | // $cfgHote = getAttribute( $mysql_conf, 'host' ); |
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| 327 | // $cfgUser = getAttribute( $mysql_conf, 'user' ); |
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| 328 | // $cfgPassword = getAttribute( $mysql_conf, 'password' ); |
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| 329 | // $cfgBase = getAttribute( $mysql_conf, 'base' ); |
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| 330 | // define( PREFIX_TABLE, getAttribute( $mysql_conf, 'tablePrefix' ) ); |
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| 331 | |
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| 332 | include( PREFIX_INCLUDE.'./include/mysql.inc.php' ); |
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| 333 | define( PREFIX_TABLE, $prefix_table ); |
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| 334 | |
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| 335 | @mysql_connect( $cfgHote, $cfgUser, $cfgPassword ) |
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| 336 | or die ( "Could not connect to server" ); |
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| 337 | @mysql_select_db( $cfgBase ) |
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| 338 | or die ( "Could not connect to database" ); |
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| 339 | } |
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| 340 | |
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| 341 | function pwg_log( $file, $category, $picture = '' ) |
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| 342 | { |
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| 343 | global $conf, $user; |
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| 344 | |
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| 345 | if ( $conf['log'] ) |
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| 346 | { |
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| 347 | $query = 'insert into '.PREFIX_TABLE.'history'; |
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| 348 | $query.= ' (date,login,IP,file,category,picture) values'; |
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| 349 | $query.= " (".time().", '".$user['pseudo']."'"; |
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| 350 | $query.= ",'".$_SERVER['REMOTE_ADDR']."'"; |
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| 351 | $query.= ",'".$file."','".$category."','".$picture."');"; |
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| 352 | mysql_query( $query ); |
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| 353 | } |
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| 354 | } |
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| 355 | |
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| 356 | function templatize_array( $array, $global_array_name, $handle ) |
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| 357 | { |
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| 358 | global $vtp, $lang, $page, $user, $conf; |
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| 359 | |
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| 360 | for( $i = 0; $i < sizeof( $array ); $i++ ) |
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| 361 | { |
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| 362 | $vtp->setGlobalVar( $handle, $array[$i], |
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| 363 | ${$global_array_name}[$array[$i]] ); |
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| 364 | } |
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| 365 | } |
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| 366 | ?> |
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