| @@ -1,219 +1,406 @@ | ||
| 1 | -<?php | |
| 2 | - | |
| 3 | -// Get the client IP | |
| 4 | -function lz_getip(){ | |
| 5 | - if(isset($_SERVER["REMOTE_ADDR"])){ | |
| 6 | - return $_SERVER["REMOTE_ADDR"]; | |
| 7 | - }elseif(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){ | |
| 8 | - return $_SERVER["HTTP_X_FORWARDED_FOR"]; | |
| 9 | - }elseif(isset($_SERVER["HTTP_CLIENT_IP"])){ | |
| 10 | - return $_SERVER["HTTP_CLIENT_IP"]; | |
| 11 | - } | |
| 12 | -} | |
| 13 | - | |
| 14 | -// Get the value of option from lz_options table | |
| 15 | -function lz_get_option($option_name, $default = ''){ | |
| 16 | - | |
| 17 | - global $wpdb; | |
| 18 | - | |
| 19 | - $result = lz_selectquery("SELECT `option_value` FROM `".$wpdb->prefix."lz_options` WHERE `option_name` = '".$option_name."';"); | |
| 20 | - | |
| 21 | - if(!empty($result['option_value'])){ | |
| 22 | - return $result['option_value']; | |
| 23 | - } | |
| 24 | - | |
| 25 | - return $default; | |
| 26 | -} | |
| 27 | - | |
| 28 | -// Update the value of an option in lz_options table | |
| 29 | -function lz_update_option($option_name, $value){ | |
| 30 | - | |
| 31 | - global $wpdb; | |
| 32 | - | |
| 33 | - $result = $wpdb->query("INSERT INTO `".$wpdb->prefix."lz_options` SET `option_name` = '".$option_name."', `option_value` = '".$value."', `updated` = '".time()."' ON DUPLICATE KEY UPDATE `option_value` = '".$value."', `updated` = '".time()."';"); | |
| 34 | - | |
| 35 | - if(empty($result)){ | |
| 36 | - return false; | |
| 37 | - } | |
| 38 | - | |
| 39 | - return true; | |
| 40 | -} | |
| 41 | - | |
| 42 | -// Execute a select query and return an array | |
| 43 | -function lz_selectquery($query, $array = 0){ | |
| 44 | - global $wpdb; | |
| 45 | - | |
| 46 | - $result = $wpdb->get_results($query, 'ARRAY_A'); | |
| 47 | - | |
| 48 | - if(empty($array)){ | |
| 49 | - return current($result); | |
| 50 | - }else{ | |
| 51 | - return $result; | |
| 52 | - } | |
| 53 | -} | |
| 54 | - | |
| 55 | -// Check if an IP is valid | |
| 56 | -function lz_valid_ip($ip){ | |
| 57 | - | |
| 58 | - if(!ip2long($ip)){ | |
| 59 | - return false; | |
| 60 | - } | |
| 61 | - return true; | |
| 62 | -} | |
| 63 | - | |
| 64 | -// Check if a field is posted via POST else return default value | |
| 65 | -function lz_optpost($name, $default = ''){ | |
| 66 | - | |
| 67 | - if(!empty($_POST[$name])){ | |
| 68 | - return lz_inputsec(lz_htmlizer(trim($_POST[$name]))); | |
| 69 | - } | |
| 70 | - | |
| 71 | - return $default; | |
| 72 | -} | |
| 73 | - | |
| 74 | -// Check if a field is posted via GET else return default value | |
| 75 | -function lz_optget($name, $default = ''){ | |
| 76 | - | |
| 77 | - if(!empty($_GET[$name])){ | |
| 78 | - return lz_inputsec(lz_htmlizer(trim($_GET[$name]))); | |
| 79 | - } | |
| 80 | - | |
| 81 | - return $default; | |
| 82 | -} | |
| 83 | - | |
| 84 | -// Check if a field is posted via GET or POST else return default value | |
| 85 | -function lz_optreq($name, $default = ''){ | |
| 86 | - | |
| 87 | - if(!empty($_REQUEST[$name])){ | |
| 88 | - return lz_inputsec(lz_htmlizer(trim($_REQUEST[$name]))); | |
| 89 | - } | |
| 90 | - | |
| 91 | - return $default; | |
| 92 | -} | |
| 93 | - | |
| 94 | -function lz_inputsec($string){ | |
| 95 | - | |
| 96 | - if(!get_magic_quotes_gpc()){ | |
| 97 | - | |
| 98 | - $string = addslashes($string); | |
| 99 | - | |
| 100 | - }else{ | |
| 101 | - | |
| 102 | - $string = stripslashes($string); | |
| 103 | - $string = addslashes($string); | |
| 104 | - | |
| 105 | - } | |
| 106 | - | |
| 107 | - // This is to replace ` which can cause the command to be executed in exec() | |
| 108 | - $string = str_replace('`', '\`', $string); | |
| 109 | - | |
| 110 | - return $string; | |
| 111 | - | |
| 112 | -} | |
| 113 | - | |
| 114 | -function lz_htmlizer($string){ | |
| 115 | - | |
| 116 | - $string = htmlentities($string, ENT_QUOTES, 'UTF-8'); | |
| 117 | - | |
| 118 | - $string = preg_replace('/(&#(\d{1,7}|x[0-9a-fA-F]{1,6});)/e', 'entity_check(\\2);', $string); | |
| 119 | - | |
| 120 | - return $string; | |
| 121 | - | |
| 122 | -} | |
| 123 | - | |
| 124 | -// Check if a checkbox is selected | |
| 125 | -function lz_is_checked($post){ | |
| 126 | - | |
| 127 | - if(!empty($_POST[$post])){ | |
| 128 | - return true; | |
| 129 | - } | |
| 130 | - return false; | |
| 131 | -} | |
| 132 | - | |
| 133 | -// Reoort an error | |
| 134 | -function lz_report_error($error = array()){ | |
| 135 | - | |
| 136 | - if(empty($error)){ | |
| 137 | - return true; | |
| 138 | - } | |
| 139 | - | |
| 140 | - $error_string = '<b>Please fix the below error(s) :</b> <br />'; | |
| 141 | - | |
| 142 | - foreach($error as $ek => $ev){ | |
| 143 | - $error_string .= '* '.$ev.'<br />'; | |
| 144 | - } | |
| 145 | - | |
| 146 | - echo '<div id="message" class="error"><p>' | |
| 147 | - . __($error_string, 'loginizer') | |
| 148 | - . '</p></div>'; | |
| 149 | -} | |
| 150 | - | |
| 151 | -// Report a notice | |
| 152 | -function lz_report_notice($notice = array()){ | |
| 153 | - | |
| 154 | - global $wp_version; | |
| 155 | - | |
| 156 | - if(empty($notice)){ | |
| 157 | - return true; | |
| 158 | - } | |
| 159 | - | |
| 160 | - // Which class do we have to use ? | |
| 161 | - if(version_compare($wp_version, '3.8', '<')){ | |
| 162 | - $notice_class = 'updated'; | |
| 163 | - }else{ | |
| 164 | - $notice_class = 'updated'; | |
| 165 | - } | |
| 166 | - | |
| 167 | - $notice_string = '<b>Please check the below notice(s) :</b> <br />'; | |
| 168 | - | |
| 169 | - foreach($notice as $ek => $ev){ | |
| 170 | - $notice_string .= '* '.$ev.'<br />'; | |
| 171 | - } | |
| 172 | - | |
| 173 | - echo '<div id="message" class="'.$notice_class.'"><p>' | |
| 174 | - . __($notice_string, 'loginizer') | |
| 175 | - . '</p></div>'; | |
| 176 | -} | |
| 177 | - | |
| 178 | -// Convert an objext to array | |
| 179 | -function lz_objectToArray($d){ | |
| 180 | - | |
| 181 | - if(is_object($d)){ | |
| 182 | - $d = get_object_vars($d); | |
| 183 | - } | |
| 184 | - | |
| 185 | - if(is_array($d)){ | |
| 186 | - return array_map(__FUNCTION__, $d); // recursive | |
| 187 | - }elseif(is_object($d)){ | |
| 188 | - return lz_objectToArray($d); | |
| 189 | - }else{ | |
| 190 | - return $d; | |
| 191 | - } | |
| 192 | -} | |
| 193 | - | |
| 194 | -// Sanitize variables | |
| 195 | -function lz_sanitize_variables($variables = array()){ | |
| 196 | - | |
| 197 | - if(is_array($variables)){ | |
| 198 | - foreach($variables as $k => $v){ | |
| 199 | - $variables[$k] = trim($v); | |
| 200 | - $variables[$k] = escapeshellcmd($v); | |
| 201 | - } | |
| 202 | - }else{ | |
| 203 | - $variables = escapeshellcmd(trim($variables)); | |
| 204 | - } | |
| 205 | - | |
| 206 | - return $variables; | |
| 207 | -} | |
| 208 | - | |
| 209 | -// Is multisite ? | |
| 210 | -function lz_is_multisite() { | |
| 211 | - | |
| 212 | - if(function_exists('get_site_option') && function_exists('is_multisite') && is_multisite()){ | |
| 213 | - return true; | |
| 214 | - } | |
| 215 | - | |
| 216 | - return false; | |
| 217 | -} | |
| 218 | - | |
| 219 | -?> | |
| 1 | +<?php | |
| 2 | + | |
| 3 | +include_once(LOGINIZER_DIR.'/lib/IPv6/IPv6.php'); | |
| 4 | + | |
| 5 | +// Get the client IP | |
| 6 | +function _lz_getip(){ | |
| 7 | + if(isset($_SERVER["REMOTE_ADDR"])){ | |
| 8 | + return $_SERVER["REMOTE_ADDR"]; | |
| 9 | + }elseif(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){ | |
| 10 | + return $_SERVER["HTTP_X_FORWARDED_FOR"]; | |
| 11 | + }elseif(isset($_SERVER["HTTP_CLIENT_IP"])){ | |
| 12 | + return $_SERVER["HTTP_CLIENT_IP"]; | |
| 13 | + } | |
| 14 | +} | |
| 15 | + | |
| 16 | +// Get the client IP | |
| 17 | +function lz_getip(){ | |
| 18 | + | |
| 19 | + global $loginizer; | |
| 20 | + | |
| 21 | + // Just so that we have something | |
| 22 | + $ip = _lz_getip(); | |
| 23 | + | |
| 24 | + $loginizer['ip_method'] = (int) @$loginizer['ip_method']; | |
| 25 | + | |
| 26 | + if(isset($_SERVER["REMOTE_ADDR"])){ | |
| 27 | + $ip = $_SERVER["REMOTE_ADDR"]; | |
| 28 | + } | |
| 29 | + | |
| 30 | + if(isset($_SERVER["HTTP_X_FORWARDED_FOR"]) && @$loginizer['ip_method'] == 1){ | |
| 31 | + if(strpos($_SERVER["HTTP_X_FORWARDED_FOR"], ',')){ | |
| 32 | + $temp_ip = explode(',', $_SERVER["HTTP_X_FORWARDED_FOR"]); | |
| 33 | + $ip = trim($temp_ip[0]); | |
| 34 | + }else{ | |
| 35 | + $ip = $_SERVER["HTTP_X_FORWARDED_FOR"]; | |
| 36 | + } | |
| 37 | + } | |
| 38 | + | |
| 39 | + if(isset($_SERVER["HTTP_CLIENT_IP"]) && @$loginizer['ip_method'] == 2){ | |
| 40 | + $ip = $_SERVER["HTTP_CLIENT_IP"]; | |
| 41 | + } | |
| 42 | + | |
| 43 | + if(@$loginizer['ip_method'] == 3 && isset($_SERVER[@$loginizer['custom_ip_method']])){ | |
| 44 | + $ip = $_SERVER[@$loginizer['custom_ip_method']]; | |
| 45 | + } | |
| 46 | + | |
| 47 | + // Hacking fix for X-Forwarded-For | |
| 48 | + if(!lz_valid_ip($ip)){ | |
| 49 | + return ''; | |
| 50 | + } | |
| 51 | + | |
| 52 | + return $ip; | |
| 53 | + | |
| 54 | +} | |
| 55 | + | |
| 56 | +// Execute a select query and return an array | |
| 57 | +function lz_selectquery($query, $array = 0){ | |
| 58 | + global $wpdb; | |
| 59 | + | |
| 60 | + $result = $wpdb->get_results($query, 'ARRAY_A'); | |
| 61 | + | |
| 62 | + if(empty($array)){ | |
| 63 | + return current($result); | |
| 64 | + }else{ | |
| 65 | + return $result; | |
| 66 | + } | |
| 67 | +} | |
| 68 | + | |
| 69 | +// Check if an IP is valid | |
| 70 | +function lz_valid_ip($ip){ | |
| 71 | + | |
| 72 | + // IPv6 | |
| 73 | + if(lz_valid_ipv6($ip)){ | |
| 74 | + return true; | |
| 75 | + } | |
| 76 | + | |
| 77 | + // IPv4 | |
| 78 | + if(!ip2long($ip) || !lz_valid_ipv4($ip)){ | |
| 79 | + return false; | |
| 80 | + } | |
| 81 | + | |
| 82 | + return true; | |
| 83 | +} | |
| 84 | + | |
| 85 | +function lz_valid_ipv4($ip){ | |
| 86 | + if(!preg_match('/^(\d){1,3}\.(\d){1,3}\.(\d){1,3}\.(\d){1,3}$/is', $ip) || substr_count($ip, '.') != 3){ | |
| 87 | + return false; | |
| 88 | + } | |
| 89 | + | |
| 90 | + $r = explode('.', $ip); | |
| 91 | + | |
| 92 | + foreach($r as $v){ | |
| 93 | + $v = (int) $v; | |
| 94 | + if($v > 255 || $v < 0){ | |
| 95 | + return false; | |
| 96 | + } | |
| 97 | + } | |
| 98 | + | |
| 99 | + return true; | |
| 100 | + | |
| 101 | +} | |
| 102 | + | |
| 103 | +function lz_valid_ipv6($ip){ | |
| 104 | + | |
| 105 | + $pattern = '/^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/'; | |
| 106 | + | |
| 107 | + if(!preg_match($pattern, $ip)){ | |
| 108 | + return false; | |
| 109 | + } | |
| 110 | + | |
| 111 | + return true; | |
| 112 | + | |
| 113 | +} | |
| 114 | + | |
| 115 | +// Check if a field is posted via POST else return default value | |
| 116 | +function lz_optpost($name, $default = ''){ | |
| 117 | + | |
| 118 | + if(!empty($_POST[$name])){ | |
| 119 | + return lz_inputsec(lz_htmlizer(trim($_POST[$name]))); | |
| 120 | + } | |
| 121 | + | |
| 122 | + return $default; | |
| 123 | +} | |
| 124 | + | |
| 125 | +// Check if a field is posted via GET else return default value | |
| 126 | +function lz_optget($name, $default = ''){ | |
| 127 | + | |
| 128 | + if(!empty($_GET[$name])){ | |
| 129 | + return lz_inputsec(lz_htmlizer(trim($_GET[$name]))); | |
| 130 | + } | |
| 131 | + | |
| 132 | + return $default; | |
| 133 | +} | |
| 134 | + | |
| 135 | +// Check if a field is posted via GET or POST else return default value | |
| 136 | +function lz_optreq($name, $default = ''){ | |
| 137 | + | |
| 138 | + if(!empty($_REQUEST[$name])){ | |
| 139 | + return lz_inputsec(lz_htmlizer(trim($_REQUEST[$name]))); | |
| 140 | + } | |
| 141 | + | |
| 142 | + return $default; | |
| 143 | +} | |
| 144 | + | |
| 145 | +// For filling in posted values | |
| 146 | +function lz_POSTval($name, $default = ''){ | |
| 147 | + | |
| 148 | + return (!empty($_POST) ? (!isset($_POST[$name]) ? '' : esc_html($_POST[$name])) : $default); | |
| 149 | + | |
| 150 | +} | |
| 151 | + | |
| 152 | +function lz_POSTchecked($name, $default = false, $submit_name = ''){ | |
| 153 | + | |
| 154 | + if(!empty($submit_name)){ | |
| 155 | + $post_to_check = isset($_POST[$submit_name]) ? $_POST[$submit_name] : ''; | |
| 156 | + }else{ | |
| 157 | + $post_to_check = $_POST; | |
| 158 | + } | |
| 159 | + | |
| 160 | + return (!empty($post_to_check) ? (isset($_POST[$name]) ? 'checked="checked"' : '') : (!empty($default) ? 'checked="checked"' : '')); | |
| 161 | + | |
| 162 | +} | |
| 163 | + | |
| 164 | +function lz_POSTselect($name, $value, $default = false){ | |
| 165 | + | |
| 166 | + if(empty($_POST)){ | |
| 167 | + if(!empty($default)){ | |
| 168 | + return 'selected="selected"'; | |
| 169 | + } | |
| 170 | + }else{ | |
| 171 | + if(isset($_POST[$name])){ | |
| 172 | + if(trim($_POST[$name]) == $value){ | |
| 173 | + return 'selected="selected"'; | |
| 174 | + } | |
| 175 | + } | |
| 176 | + } | |
| 177 | + | |
| 178 | +} | |
| 179 | + | |
| 180 | +function lz_POSTradio($name, $val, $default = null){ | |
| 181 | + | |
| 182 | + return (!empty($_POST) ? (@$_POST[$name] == $val ? 'checked="checked"' : '') : (!is_null($default) && $default == $val ? 'checked="checked"' : '')); | |
| 183 | + | |
| 184 | +} | |
| 185 | + | |
| 186 | +function lz_inputsec($string){ | |
| 187 | + | |
| 188 | + $string = addslashes($string); | |
| 189 | + | |
| 190 | + // This is to replace ` which can cause the command to be executed in exec() | |
| 191 | + $string = str_replace('`', '\`', $string); | |
| 192 | + | |
| 193 | + return $string; | |
| 194 | + | |
| 195 | +} | |
| 196 | + | |
| 197 | +function lz_htmlizer($string){ | |
| 198 | + | |
| 199 | + $string = htmlentities($string, ENT_QUOTES, 'UTF-8'); | |
| 200 | + | |
| 201 | + preg_match_all('/(&#(\d{1,7}|x[0-9a-fA-F]{1,6});)/', $string, $matches);//r_print($matches); | |
| 202 | + | |
| 203 | + foreach($matches[1] as $mk => $mv){ | |
| 204 | + $tmp_m = lz_entity_check($matches[2][$mk]); | |
| 205 | + $string = str_replace($matches[1][$mk], $tmp_m, $string); | |
| 206 | + } | |
| 207 | + | |
| 208 | + return $string; | |
| 209 | + | |
| 210 | +} | |
| 211 | + | |
| 212 | +function lz_entity_check($string){ | |
| 213 | + | |
| 214 | + //Convert Hexadecimal to Decimal | |
| 215 | + $num = ((substr($string, 0, 1) === 'x') ? hexdec(substr($string, 1)) : (int) $string); | |
| 216 | + | |
| 217 | + //Squares and Spaces - return nothing | |
| 218 | + $string = (($num > 0x10FFFF || ($num >= 0xD800 && $num <= 0xDFFF) || $num < 0x20) ? '' : '&#'.$num.';'); | |
| 219 | + | |
| 220 | + return $string; | |
| 221 | + | |
| 222 | +} | |
| 223 | + | |
| 224 | +// Check if a checkbox is selected | |
| 225 | +function lz_is_checked($post){ | |
| 226 | + | |
| 227 | + if(!empty($_POST[$post])){ | |
| 228 | + return true; | |
| 229 | + } | |
| 230 | + return false; | |
| 231 | +} | |
| 232 | + | |
| 233 | +// Reoort an error | |
| 234 | +function lz_report_error($error = array()){ | |
| 235 | + | |
| 236 | + if(empty($error)){ | |
| 237 | + return true; | |
| 238 | + } | |
| 239 | + | |
| 240 | + $error_string = '<b>Please fix the below error(s) :</b> <br />'; | |
| 241 | + | |
| 242 | + foreach($error as $ek => $ev){ | |
| 243 | + $error_string .= '* '.$ev.'<br />'; | |
| 244 | + } | |
| 245 | + | |
| 246 | + echo '<div id="message" class="error"><p>' | |
| 247 | + . __($error_string, 'loginizer') | |
| 248 | + . '</p></div>'; | |
| 249 | +} | |
| 250 | + | |
| 251 | +// Report a notice | |
| 252 | +function lz_report_notice($notice = array()){ | |
| 253 | + | |
| 254 | + global $wp_version; | |
| 255 | + | |
| 256 | + if(empty($notice)){ | |
| 257 | + return true; | |
| 258 | + } | |
| 259 | + | |
| 260 | + // Which class do we have to use ? | |
| 261 | + if(version_compare($wp_version, '3.8', '<')){ | |
| 262 | + $notice_class = 'updated'; | |
| 263 | + }else{ | |
| 264 | + $notice_class = 'updated'; | |
| 265 | + } | |
| 266 | + | |
| 267 | + $notice_string = '<b>Please check the below notice(s) :</b> <br />'; | |
| 268 | + | |
| 269 | + foreach($notice as $ek => $ev){ | |
| 270 | + $notice_string .= '* '.$ev.'<br />'; | |
| 271 | + } | |
| 272 | + | |
| 273 | + echo '<div id="message" class="'.$notice_class.'"><p>' | |
| 274 | + . __($notice_string, 'loginizer') | |
| 275 | + . '</p></div>'; | |
| 276 | +} | |
| 277 | + | |
| 278 | +// Convert an objext to array | |
| 279 | +function lz_objectToArray($d){ | |
| 280 | + | |
| 281 | + if(is_object($d)){ | |
| 282 | + $d = get_object_vars($d); | |
| 283 | + } | |
| 284 | + | |
| 285 | + if(is_array($d)){ | |
| 286 | + return array_map(__FUNCTION__, $d); // recursive | |
| 287 | + }elseif(is_object($d)){ | |
| 288 | + return lz_objectToArray($d); | |
| 289 | + }else{ | |
| 290 | + return $d; | |
| 291 | + } | |
| 292 | +} | |
| 293 | + | |
| 294 | +// Sanitize variables | |
| 295 | +function lz_sanitize_variables($variables = array()){ | |
| 296 | + | |
| 297 | + if(is_array($variables)){ | |
| 298 | + foreach($variables as $k => $v){ | |
| 299 | + $variables[$k] = trim($v); | |
| 300 | + $variables[$k] = escapeshellcmd($v); | |
| 301 | + } | |
| 302 | + }else{ | |
| 303 | + $variables = escapeshellcmd(trim($variables)); | |
| 304 | + } | |
| 305 | + | |
| 306 | + return $variables; | |
| 307 | +} | |
| 308 | + | |
| 309 | +// Is multisite ? | |
| 310 | +function lz_is_multisite() { | |
| 311 | + | |
| 312 | + if(function_exists('get_site_option') && function_exists('is_multisite') && is_multisite()){ | |
| 313 | + return true; | |
| 314 | + } | |
| 315 | + | |
| 316 | + return false; | |
| 317 | +} | |
| 318 | + | |
| 319 | +// Generate a random string | |
| 320 | +function lz_RandomString($length = 10){ | |
| 321 | + $characters = '0123456789abcdefghijklmnopqrstuvwxyz'; | |
| 322 | + $charactersLength = strlen($characters); | |
| 323 | + $randomString = ''; | |
| 324 | + for($i = 0; $i < $length; $i++){ | |
| 325 | + $randomString .= $characters[rand(0, $charactersLength - 1)]; | |
| 326 | + } | |
| 327 | + return $randomString; | |
| 328 | +} | |
| 329 | + | |
| 330 | +function lz_print($array){ | |
| 331 | + | |
| 332 | + echo '<pre>'; | |
| 333 | + print_r($array); | |
| 334 | + echo '</pre>'; | |
| 335 | + | |
| 336 | +} | |
| 337 | + | |
| 338 | +function lz_cleanpath($path){ | |
| 339 | + $path = str_replace('\\\\', '/', $path); | |
| 340 | + $path = str_replace('\\', '/', $path); | |
| 341 | + $path = str_replace('//', '/', $path); | |
| 342 | + return rtrim($path, '/'); | |
| 343 | +} | |
| 344 | + | |
| 345 | +// Returns the Numeric Value of results Per Page | |
| 346 | +function lz_get_page($get = 'page', $resperpage = 50){ | |
| 347 | + | |
| 348 | + $resperpage = (!empty($_REQUEST['reslen']) && is_numeric($_REQUEST['reslen']) ? (int) lz_optreq('reslen') : $resperpage); | |
| 349 | + | |
| 350 | + if(lz_optget($get)){ | |
| 351 | + $pg = (int) lz_optget($get); | |
| 352 | + $pg = $pg - 1; | |
| 353 | + $page = ($pg * $resperpage); | |
| 354 | + $page = ($page <= 0 ? 0 : $page); | |
| 355 | + }else{ | |
| 356 | + $page = 0; | |
| 357 | + } | |
| 358 | + return $page; | |
| 359 | +} | |
| 360 | + | |
| 361 | +// Replaces the Variables with the supplied ones | |
| 362 | +function lz_lang_vars_name($str, $array){ | |
| 363 | + | |
| 364 | + foreach($array as $k => $v){ | |
| 365 | + | |
| 366 | + $str = str_replace('$'.$k, $v, $str); | |
| 367 | + | |
| 368 | + } | |
| 369 | + | |
| 370 | + return $str; | |
| 371 | + | |
| 372 | +} | |
| 373 | + | |
| 374 | +// Check if Loginizer is premium | |
| 375 | +function loginizer_is_premium(){ | |
| 376 | + return defined('LOGINIZER_PREMIUM'); | |
| 377 | +} | |
| 378 | + | |
| 379 | +function loginizer_feature_available($feature = '', $return = 0){ | |
| 380 | + | |
| 381 | + if(loginizer_is_premium()){ | |
| 382 | + return true; | |
| 383 | + } | |
| 384 | + | |
| 385 | + $msg = ''; | |
| 386 | + | |
| 387 | + if(!empty($feature)){ | |
| 388 | + $msg .= '<b>'.$feature.'</b> is available in the Pro version of Loginizer. '; | |
| 389 | + } | |
| 390 | + | |
| 391 | + $msg .= '<a href="'.LOGINIZER_PRICING_URL.'" target="_blank" style="text-decoration:none; color:green;"><b>Upgrade to Pro</b></a>'; | |
| 392 | + | |
| 393 | + if(!empty($return)){ | |
| 394 | + return $msg; | |
| 395 | + }else{ | |
| 396 | + echo '<div style="color:#a94442; background-color:#f2dede; border-color:#ebccd1; padding:15px; margin-bottom:20px; border:1px solid transparent; border-radius:4px;">'.$msg.'</div>'; | |
| 397 | + } | |
| 398 | + | |
| 399 | +} | |
| 400 | + | |
| 401 | +// Checks if the email is valid | |
| 402 | +function lz_valid_email($email){ | |
| 403 | + | |
| 404 | + return filter_var($email, FILTER_VALIDATE_EMAIL); | |
| 405 | + | |
| 406 | +} | |
