| @@ -1,140 +1,292 @@ | ||
| 1 | 1 | <?php |
| 2 | -################################################################################ | |
| 3 | -## LEGACY API: Replicate or mock up functions for legacy support purposes ###### | |
| 4 | -################################################################################ | |
| 2 | +/** | |
| 3 | + * LEGACY API: Replicate or mock up functions for legacy support purposes. | |
| 4 | + * | |
| 5 | + * @author radgeek | |
| 6 | + */ | |
| 5 | 7 | |
| 6 | -// version testing | |
| 7 | -function fwp_test_wp_version ($floor, $ceiling = NULL) { | |
| 8 | - global $wp_db_version; | |
| 9 | - | |
| 10 | - $ver = (isset($wp_db_version) ? $wp_db_version : 0); | |
| 11 | - $good = ($ver >= $floor); | |
| 12 | - if (!is_null($ceiling)) : | |
| 13 | - $good = ($good and ($ver < $ceiling)); | |
| 14 | - endif; | |
| 15 | - return $good; | |
| 16 | -} /* function fwp_test_wp_version () */ | |
| 8 | +/** | |
| 9 | + * Implements legacy functionality no longer present in the current WordPress | |
| 10 | + * versions | |
| 11 | + */ | |
| 12 | +class FeedWordPressCompatibility { | |
| 17 | 13 | |
| 18 | -if (!function_exists('stripslashes_deep')) { | |
| 19 | - function stripslashes_deep($value) { | |
| 20 | - $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); | |
| 21 | - return $value; | |
| 22 | - } | |
| 23 | -} | |
| 14 | + /** | |
| 15 | + * FeedWordPressCompatibility::test_version: test version of WordPress | |
| 16 | + * based on the database schema version. | |
| 17 | + * | |
| 18 | + * @param int $floor The minimum version necessary. | |
| 19 | + * @param mixed $ceiling The first version that is too high. If omitted | |
| 20 | + * or NULL, no version is too high. | |
| 21 | + * @return bool TRUE if within the range of versions, FALSE if too low | |
| 22 | + * or too high. | |
| 23 | + */ | |
| 24 | + static function test_version( $floor, $ceiling = null ) { | |
| 25 | + global $wp_db_version; | |
| 24 | 26 | |
| 25 | -if (!function_exists('get_option')) { | |
| 26 | - function get_option ($option) { | |
| 27 | - return get_settings($option); | |
| 28 | - } | |
| 29 | -} | |
| 30 | -if (!function_exists('current_user_can')) { | |
| 31 | - $fwp_capability['manage_options'] = 6; | |
| 32 | - $fwp_capability['manage_links'] = 5; | |
| 33 | - function current_user_can ($task) { | |
| 34 | - global $user_level; | |
| 27 | + $ver = ( isset( $wp_db_version ) ? $wp_db_version : 0 ); | |
| 28 | + $good = ( $ver >= $floor ); | |
| 29 | + if ( ! is_null( $ceiling ) ) : | |
| 30 | + $good = ( $good and ( $ver < $ceiling ) ); | |
| 31 | + endif; | |
| 32 | + return $good; | |
| 33 | + } /* FeedWordPressCompatibility::test_version() */ | |
| 35 | 34 | |
| 36 | - $can = false; | |
| 35 | + /** | |
| 36 | + * Creates a new category for the Links. | |
| 37 | + * | |
| 38 | + * WP dropped support for "Links". | |
| 39 | + * | |
| 40 | + * @param string $name New link category name. | |
| 41 | + * | |
| 42 | + * @return mixed Most of the time should return an array with `term_id` | |
| 43 | + * and `term_taxonomy_id`, unless there was an error. | |
| 44 | + */ | |
| 45 | + static function insert_link_category( $name ) { | |
| 46 | + // WordPress 2.3+ term/taxonomy API | |
| 47 | + $term = wp_insert_term( $name, 'link_category' ); | |
| 37 | 48 | |
| 38 | - // This is **not** a full replacement for current_user_can. It | |
| 39 | - // is only for checking the capabilities we care about via the | |
| 40 | - // WordPress 1.5 user levels. | |
| 41 | - switch ($task) : | |
| 42 | - case 'manage_options': | |
| 43 | - $can = ($user_level >= 6); | |
| 44 | - break; | |
| 45 | - case 'manage_links': | |
| 46 | - $can = ($user_level >= 5); | |
| 47 | - break; | |
| 48 | - endswitch; | |
| 49 | - return $can; | |
| 50 | - } | |
| 51 | -} else { | |
| 52 | - $fwp_capability['manage_options'] = 'manage_options'; | |
| 53 | - $fwp_capability['manage_links'] = 'manage_links'; | |
| 54 | -} | |
| 55 | -if (!function_exists('sanitize_user')) { | |
| 56 | - function sanitize_user ($text, $strict = false) { | |
| 57 | - return $text; // Don't munge it if it wasn't munged going in... | |
| 58 | - } | |
| 59 | -} | |
| 60 | -if (!function_exists('wp_insert_user')) { | |
| 61 | - function wp_insert_user ($userdata) { | |
| 49 | + // OK: returned array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id) | |
| 50 | + if ( ! is_wp_error( $term ) ) : | |
| 51 | + $cat_id = $term['term_id']; | |
| 52 | + | |
| 53 | + // Error: term with this name already exists. Well, let's use that then. | |
| 54 | + elseif ( 'term_exists' == $term->get_error_code() ) : | |
| 55 | + // Already-existing term ID is returned in data field | |
| 56 | + $cat_id = $term->get_error_data( 'term_exists' ); | |
| 57 | + | |
| 58 | + // Error: another kind of error, harder to recover from. Return WP_Error. | |
| 59 | + else : | |
| 60 | + $cat_id = $term; | |
| 61 | + endif; | |
| 62 | + | |
| 63 | + // Return newly-created category ID | |
| 64 | + return $cat_id; | |
| 65 | + } /* FeedWordPressCompatibility::insert_link_category () */ | |
| 66 | + | |
| 67 | + /** | |
| 68 | + * Returns category id for a Links category. | |
| 69 | + * | |
| 70 | + * "Links" became optional in WP. | |
| 71 | + * | |
| 72 | + * For the explanation of the values, see @see term_exists() | |
| 73 | + * | |
| 74 | + * @param int|string $value @see term_exists() | |
| 75 | + * @param string $key Unused. | |
| 76 | + * @return mixed @see term_exists() | |
| 77 | + */ | |
| 78 | + static function link_category_id( $value, $key = 'cat_name' ) { | |
| 79 | + $cat_id = NULL; | |
| 80 | + | |
| 81 | + $the_term = term_exists( $value, 'link_category' ); | |
| 82 | + | |
| 83 | + // Sometimes, in some versions, we get a row | |
| 84 | + if ( is_array( $the_term ) ) : | |
| 85 | + $cat_id = $the_term['term_id']; | |
| 86 | + | |
| 87 | + // other times we get an integer result | |
| 88 | + else : | |
| 89 | + $cat_id = $the_term; | |
| 90 | + endif; | |
| 91 | + | |
| 92 | + return $cat_id; | |
| 93 | + } /* FeedWordPressCompatibility::link_category_id () */ | |
| 94 | + | |
| 95 | + /** | |
| 96 | + * Validate if the user has the right capability for doing this request. | |
| 97 | + * | |
| 98 | + * @see check_admin_referer() | |
| 99 | + * @see current_user_can() | |
| 100 | + * | |
| 101 | + * @param int|string $action The nonce action. | |
| 102 | + * @param string|null $capability Capability name. | |
| 103 | + */ | |
| 104 | + static function validate_http_request( $action = -1, $capability = null ) { | |
| 105 | + // Only worry about this if we're using a method with significant side-effects | |
| 106 | + if ( 'POST' == strtoupper( $_SERVER['REQUEST_METHOD'] ) ) : | |
| 107 | + // Limit post by user capabilities | |
| 108 | + if ( ! is_null( $capability ) and ! current_user_can( $capability ) ) : | |
| 109 | + wp_die( esc_html__( 'Cheatin’ uh?' ) ); | |
| 110 | + endif; | |
| 111 | + | |
| 112 | + // If check_admin_referer() checks a nonce. | |
| 113 | + if ( function_exists( 'wp_verify_nonce' ) ) : | |
| 114 | + check_admin_referer( $action ); | |
| 115 | + | |
| 116 | + // No nonces means no checking nonces. | |
| 117 | + else : | |
| 118 | + check_admin_referer(); | |
| 119 | + endif; | |
| 120 | + endif; | |
| 121 | + } /* FeedWordPressCompatibility::validate_http_request() */ | |
| 122 | + | |
| 123 | + /** | |
| 124 | + * Stamps form with hidden fields for a nonce in WP 2.0.3 & later. | |
| 125 | + * | |
| 126 | + * Basically just checks if the function wp_nonce_field() exists, and, if so, | |
| 127 | + * uses it; on earlier WP versions, just skips it. | |
| 128 | + * | |
| 129 | + * @todo What about the HTML which might get returned by wp_nonce_field()? | |
| 130 | + * (gwyneth 20230917) | |
| 131 | + * | |
| 132 | + * @see wp_nonce_field() | |
| 133 | + * | |
| 134 | + * @param int|string $action Optional action name, defaults to -1. | |
| 135 | + * | |
| 136 | + */ | |
| 137 | + static function stamp_nonce( $action = -1 ) { | |
| 138 | + if ( function_exists( 'wp_nonce_field' ) ) : | |
| 139 | + wp_nonce_field( $action ); | |
| 140 | + endif; | |
| 141 | + } /* FeedWordPressCompatibility::stamp_nonce() */ | |
| 142 | + | |
| 143 | + static function bottom_script_hook ($filename) { | |
| 144 | + global $fwp_path; | |
| 145 | + | |
| 146 | + $hook = 'admin_footer-'.$fwp_path.'/'.basename($filename); | |
| 147 | + return $hook; | |
| 148 | + } /* FeedWordPressCompatibility::bottom_script_hook() */ | |
| 149 | +} /* class FeedWordPressCompatibility */ | |
| 150 | + | |
| 151 | +// Compat | |
| 152 | + | |
| 153 | +if ( ! function_exists( 'set_post_field' ) ) { | |
| 154 | + /** | |
| 155 | + * Update data from a post field based on Post ID. | |
| 156 | + * | |
| 157 | + * Examples of the post field will be, 'post_type', 'post_status', 'post_content', etc. | |
| 158 | + * | |
| 159 | + * The context values are based off of the taxonomy filter functions and | |
| 160 | + * supported values are found within those functions. | |
| 161 | + * | |
| 162 | + * @uses sanitize_post_field() | |
| 163 | + * | |
| 164 | + * @param string $field Post field name. | |
| 165 | + * @param mixed $value New value for post field. | |
| 166 | + * @param id $post Post ID. | |
| 167 | + * @return bool Result of UPDATE query. | |
| 168 | + * | |
| 169 | + * Included under terms of GPL from WordPress Ticket #10946 <http://core.trac.wordpress.org/attachment/ticket/10946/post.php.diff> | |
| 170 | + */ | |
| 171 | + function set_post_field ($field, $value, $post_id) { | |
| 62 | 172 | global $wpdb; |
| 63 | 173 | |
| 64 | - #-- Help WordPress 1.5.x quack like a duck | |
| 65 | - $login = $userdata['user_login']; | |
| 66 | - $author = $userdata['display_name']; | |
| 67 | - $nice_author = $userdata['user_nicename']; | |
| 68 | - $email = $userdata['user_email']; | |
| 69 | - $url = $userdata['user_url']; | |
| 174 | + $post_id = absint($post_id); | |
| 175 | + // sigh ... when FWP is active, I need to avoid avoid_kses_munge | |
| 176 | + // $value = sanitize_post_field($field, $value, $post_id, 'db'); | |
| 177 | + return $wpdb->update($wpdb->posts, array($field => $value), array('ID' => $post_id)); | |
| 178 | + } /* function set_post_field () */ | |
| 70 | 179 | |
| 71 | - $wpdb->query ( | |
| 72 | - "INSERT INTO $wpdb->users | |
| 73 | - SET | |
| 74 | - ID='0', | |
| 75 | - user_login='$login', | |
| 76 | - user_firstname='$author', | |
| 77 | - user_nickname='$author', | |
| 78 | - user_nicename='$nice_author', | |
| 79 | - user_description='$author', | |
| 80 | - user_email='$email', | |
| 81 | - user_url='$url'"); | |
| 82 | - $id = $wpdb->insert_id; | |
| 83 | - | |
| 84 | - return $id; | |
| 180 | +} /* if */ | |
| 181 | + | |
| 182 | +if ( ! function_exists( 'is_countable' ) ) { | |
| 183 | + /* Copied from WordPress 5.3.2 wp-includes/compat.php pursuant to terms | |
| 184 | + * of GPL. Provide support for is_countable() for versions of PHP < 7.3 | |
| 185 | + * and for versions of WordPress < 4.9.6. -C.J. 2020/01/24 | |
| 186 | + */ | |
| 187 | + | |
| 188 | + /** | |
| 189 | + * Polyfill for is_countable() function added in PHP 7.3. | |
| 190 | + * | |
| 191 | + * Verify that the content of a variable is an array or an object | |
| 192 | + * implementing the Countable interface. | |
| 193 | + * | |
| 194 | + * @since 4.9.6 | |
| 195 | + * | |
| 196 | + * @param mixed $var The value to check. | |
| 197 | + * | |
| 198 | + * @return bool True if `$var` is countable, false otherwise. | |
| 199 | + */ | |
| 200 | + function is_countable( $var ) { | |
| 201 | + return ( is_array( $var ) | |
| 202 | + || $var instanceof Countable | |
| 203 | + || $var instanceof SimpleXMLElement | |
| 204 | + || $var instanceof ResourceBundle | |
| 205 | + ); | |
| 85 | 206 | } |
| 86 | -} | |
| 207 | +} /* if */ | |
| 87 | 208 | |
| 88 | -function fwp_category_checklist ($post_id = 0, $descendents_and_self = 0, $selected_cats = false) { | |
| 89 | - if (function_exists('wp_category_checklist')) : | |
| 90 | - wp_category_checklist($post_id, $descendents_and_self, $selected_cats); | |
| 91 | - else : | |
| 92 | - // selected_cats is an array of integer cat_IDs / term_ids for | |
| 93 | - // the categories that should be checked | |
| 94 | - global $post_ID; | |
| 209 | +require_once dirname(__FILE__) . '/feedwordpress-walker-category-checklist.class.php'; | |
| 95 | 210 | |
| 96 | - $cats = get_nested_categories(); | |
| 97 | - | |
| 98 | - // Undo damage from usort() in WP 2.0 | |
| 99 | - $dogs = array(); | |
| 100 | - foreach ($cats as $cat) : | |
| 101 | - $dogs[$cat['cat_ID']] = $cat; | |
| 102 | - endforeach; | |
| 103 | - foreach ($selected_cats as $cat_id) : | |
| 104 | - $dogs[$cat_id]['checked'] = true; | |
| 105 | - endforeach; | |
| 106 | - write_nested_categories($dogs); | |
| 211 | +/** | |
| 212 | + * Checks if we have all the categories we need. | |
| 213 | + * | |
| 214 | + * @see wp_terms_checklist() | |
| 215 | + * | |
| 216 | + * @param int $post_id Optional, defaults to zero. | |
| 217 | + * @param int $descendents_and_self @see wp_terms_checklist() | |
| 218 | + * @param bool $selected_cats @see wp_terms_checklist() | |
| 219 | + * @param string|array $params @see wp_terms_checklist() | |
| 220 | + * | |
| 221 | + * @uses wp_terms_checklist() | |
| 222 | + * @uses FeedWordPress_Walker_Category_Checklist() | |
| 223 | + */ | |
| 224 | +function fwp_category_checklist( $post_id = 0, $descendents_and_self = 0, $selected_cats = false, $params = array() ) { | |
| 225 | + if ( is_string( $params ) ) : | |
| 226 | + $prefix = $params; | |
| 227 | + $taxonomy = 'category'; | |
| 228 | + elseif ( is_array( $params ) ) : | |
| 229 | + $prefix = ( isset( $params['prefix'] ) ? $params['prefix'] : '' ); | |
| 230 | + $taxonomy = ( isset( $params['taxonomy'] ) ? $params['taxonomy'] : 'category' ); | |
| 107 | 231 | endif; |
| 108 | -} | |
| 109 | 232 | |
| 110 | -function fwp_time_elapsed ($ts) { | |
| 111 | - if (function_exists('human_time_diff')) : | |
| 112 | - if ($ts >= time()) : | |
| 113 | - $ret = __(human_time_diff($ts)." from now"); | |
| 233 | + $walker = new FeedWordPress_Walker_Category_Checklist( $params ); | |
| 234 | + $walker->set_prefix( $prefix ); | |
| 235 | + $walker->set_taxonomy( $taxonomy ); | |
| 236 | + wp_terms_checklist( /*post_id=*/ $post_id, array( | |
| 237 | + 'taxonomy' => $taxonomy, | |
| 238 | + 'descendents_and_self' => $descendents_and_self, | |
| 239 | + 'selected_cats' => $selected_cats, | |
| 240 | + 'popular_cats' => false, | |
| 241 | + 'walker' => $walker, | |
| 242 | + 'checked_ontop' => true, | |
| 243 | + ) ); | |
| 244 | +} /* function fwp_category_checklist() */ | |
| 245 | + | |
| 246 | +/** | |
| 247 | + * Calculates the difference between a timestamp and the current time. | |
| 248 | + * | |
| 249 | + * @param int $ts Timestamp. | |
| 250 | + * | |
| 251 | + * @return string A human-readable indication of the elapsed time. | |
| 252 | + */ | |
| 253 | +function fwp_time_elapsed( $ts ) { | |
| 254 | + if ( ! is_int( $ts ) ) : | |
| 255 | + | |
| 256 | + endif; | |
| 257 | + if ( function_exists( 'human_time_diff' ) ) : | |
| 258 | + if ( $ts >= time() ) : | |
| 259 | + $ret = human_time_diff( $ts ) . __( " from now" ); | |
| 114 | 260 | else : |
| 115 | - $ret = __(human_time_diff($ts)." ago"); | |
| 261 | + $ret = human_time_diff( $ts ) . __( " ago" ); | |
| 116 | 262 | endif; |
| 117 | 263 | else : |
| 118 | - $ret = strftime('%x %X', $ts); | |
| 264 | + // $ret = strftime( '%x %X', $ts ); // deprecated | |
| 265 | + $ret = date( "Y-m-d H:i:s", $ts ); | |
| 119 | 266 | endif; |
| 120 | 267 | return $ret; |
| 121 | -} | |
| 268 | +} /* function fwp_time_elapsed() */ | |
| 122 | 269 | |
| 123 | -################################################################################ | |
| 124 | -## UPGRADE INTERFACE: Have users upgrade DB from older versions of FWP ######### | |
| 125 | -################################################################################ | |
| 126 | - | |
| 127 | -function fwp_upgrade_page () { | |
| 128 | - if (isset($GLOBALS['fwp_post']['action']) and $GLOBALS['fwp_post']['action']=='Upgrade') : | |
| 129 | - $ver = get_option('feedwordpress_version'); | |
| 130 | - if (get_option('feedwordpress_version') != FEEDWORDPRESS_VERSION) : | |
| 270 | +/** | |
| 271 | + * UPGRADE INTERFACE: Have users upgrade DB from older versions of FWP. | |
| 272 | + * | |
| 273 | + * @uses FeedWordPress | |
| 274 | + * @uses FeedWordPress::upgrade_database() | |
| 275 | + * @uses get_option() | |
| 276 | + * @uses MyPHP::post() | |
| 277 | + */ | |
| 278 | +function fwp_upgrade_page() { | |
| 279 | + if ( 'Upgrade' == MyPHP::post( 'action' ) ) : | |
| 280 | + /** @var string Current FeedWordPress version. */ | |
| 281 | + $ver = get_option( 'feedwordpress_version' ); | |
| 282 | + if ( ! empty( $ver ) and FEEDWORDPRESS_VERSION != $ver ) : | |
| 131 | 283 | echo "<div class=\"wrap\">\n"; |
| 132 | - echo "<h2>Upgrading FeedWordPress...</h2>"; | |
| 284 | + echo "<h2>" . esc_html__( "Upgrading FeedWordPress..." ) . "</h2>"; | |
| 133 | 285 | |
| 134 | - $feedwordpress =& new FeedWordPress; | |
| 135 | - $feedwordpress->upgrade_database($ver); | |
| 136 | - echo "<p><strong>Done!</strong> Upgraded database to version ".FEEDWORDPRESS_VERSION.".</p>\n"; | |
| 286 | + $feedwordpress = new FeedWordPress; | |
| 287 | + $feedwordpress->upgrade_database( $ver ); | |
| 288 | + echo "<p><strong>" . esc_html__( "Done!" ) . "</strong> " . esc_html__( "Upgraded database to version " ) . esc_html( FEEDWORDPRESS_VERSION ) . ".</p>\n"; | |
| 137 | 289 | echo "<form action=\"\" method=\"get\">\n"; |
| 138 | 290 | echo "<div class=\"submit\"><input type=\"hidden\" name=\"page\" value=\"syndication.php\" />"; |
| 139 | 291 | echo "<input type=\"submit\" value=\"Continue »\" /></form></div>\n"; |
| 140 | 292 | echo "</div>\n"; |
| @@ -139,33 +291,46 @@ | ||
| 139 | 291 | echo "<input type=\"submit\" value=\"Continue »\" /></form></div>\n"; |
| 140 | 292 | echo "</div>\n"; |
| 141 | 293 | return; |
| 142 | 294 | else : |
| 143 | - echo "<div class=\"updated\"><p>Already at version ".FEEDWORDPRESS_VERSION."!</p></div>"; | |
| 295 | + echo "<div class=\"updated\"><p>" . esc_html__( "Already at version " ) . esc_html( FEEDWORDPRESS_VERSION ) . "!</p></div>"; | |
| 144 | 296 | endif; |
| 145 | 297 | endif; |
| 146 | 298 | ?> |
| 147 | 299 | <div class="wrap"> |
| 148 | -<h2>Upgrade FeedWordPress</h2> | |
| 300 | +<h2><?php esc_html_e( 'Upgrade FeedWordPress' ); ?></h2> | |
| 149 | 301 | |
| 150 | -<p>It appears that you have installed FeedWordPress | |
| 151 | -<?php echo FEEDWORDPRESS_VERSION; ?> as an upgrade to an existing installation of | |
| 152 | -FeedWordPress. That's no problem, but you will need to take a minute out first | |
| 302 | +<p><?php esc_html_e( 'It appears that you have installed FeedWordPress' ); ?> | |
| 303 | +<?php echo esc_html( FEEDWORDPRESS_VERSION ); ?> <?php esc_html_e( 'as an upgrade to an existing installation of | |
| 304 | +FeedWordPress. That\'s no problem, but you will need to take a minute out first | |
| 153 | 305 | to upgrade your database: some necessary changes in how the software keeps |
| 154 | 306 | track of posts and feeds will cause problems such as duplicate posts and broken |
| 155 | -templates if we were to continue without the upgrade.</p> | |
| 307 | +templates if we were to continue without the upgrade.' ); ?></p> | |
| 156 | 308 | |
| 157 | -<p>Note that most of FeedWordPress's functionality is temporarily disabled | |
| 309 | +<p><?php esc_html_e( 'Note that most of FeedWordPress\'s functionality is temporarily disabled | |
| 158 | 310 | until we have successfully completed the upgrade. Everything should begin |
| 159 | -working as normal again once the upgrade is complete. There's extraordinarily | |
| 160 | -little chance of any damage as the result of the upgrade, but if you're paranoid | |
| 161 | -like me you may want to back up your database before you proceed.</p> | |
| 311 | +working as normal again once the upgrade is complete. There\'s extraordinarily | |
| 312 | +little chance of any damage as the result of the upgrade, but if you\'re paranoid | |
| 313 | +like me, you may want to back up your database before you proceed.' ); ?></p> | |
| 162 | 314 | |
| 163 | -<p>This may take several minutes for a large installation.</p> | |
| 315 | +<p><?php esc_html_e( 'This may take several minutes for a large installation.' ); ?></p> | |
| 164 | 316 | |
| 165 | 317 | <form action="" method="post"> |
| 318 | +<?php FeedWordPressCompatibility::stamp_nonce( 'feedwordpress_upgrade' ); ?> | |
| 166 | 319 | <div class="submit"><input type="submit" name="action" value="Upgrade" /></div> |
| 167 | 320 | </form> |
| 168 | 321 | </div> |
| 169 | 322 | <?php |
| 170 | -} // function fwp_upgrade_page () | |
| 323 | +} /* function fwp_upgrade_page() */ | |
| 171 | 324 | |
| 325 | +/** | |
| 326 | + * Filter action for removing dummy zeroes. | |
| 327 | + * | |
| 328 | + * @todo Requires a better explanation! (gwyneth 20230917) | |
| 329 | + * | |
| 330 | + * @param mixed $var Variable to test. | |
| 331 | + * | |
| 332 | + * @return int Possibly returns filtered result | |
| 333 | + */ | |
| 334 | +function remove_dummy_zero( $var ) { | |
| 335 | + return ! ( is_numeric( $var ) and ( 0 == (int) $var ) ); | |
| 336 | +} | |
