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<?php |
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/** |
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* Util.php |
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* |
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* Common Utility functions |
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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, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* @package LibreNMS |
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* @link http://librenms.org |
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* @copyright 2016 Tony Murray |
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* @author Tony Murray <[email protected]> |
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*/ |
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namespace App; |
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class Util |
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{ |
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/** |
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* Merge arrays, concatenate the values of any common keys |
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* |
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* @param array ... |
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* @return array |
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*/ |
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public static function arrayMergeConcat() |
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{ |
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$out = []; |
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// loop through the arguments |
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foreach (func_get_args() as $arr) { |
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// loop through each array |
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foreach ($arr as $key => $value) { |
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// If the same key exists in the $out array |
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if (array_key_exists($key, $out)) { |
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// concat the values |
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$out[$key] = $out[$key].$arr[$key]; |
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} |
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else { |
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$out[$key] = $arr[$key]; |
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} |
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} |
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} |
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return $out; |
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} |
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/** |
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* Checks if the given variable is a json encoded string. |
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* |
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* @param string $string The string to check |
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* @return bool true if this is json, otherwise false |
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*/ |
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public static function isJson($string) |
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{ |
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if (!is_string($string)) { |
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return false; |
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} |
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json_decode($string, true); |
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return (json_last_error() == JSON_ERROR_NONE); |
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} |
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} |
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librenms /
librenmsv2
