142 lines
2.6 KiB
PHP
142 lines
2.6 KiB
PHP
<?php declare(strict_types=1);
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/**
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* Query
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*
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* SQL Query Builder / Database Abstraction Layer
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*
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* PHP version 7
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*
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* @package Query
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2012 - 2016 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link https://git.timshomepage.net/aviat4ion/Query
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*/
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use Query\{
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ConnectionManager,
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QueryBuilderInterface
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};
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/**
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* Global functions that don't really fit anywhere else
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*/
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/**
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* Multibyte-safe trim function
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*
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* @param string $string
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* @return string
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*/
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function mb_trim(string $string): string
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{
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return preg_replace('/(^\s+)|(\s+$)/u', '', $string);
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}
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/**
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* Filter out db rows into one array
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*
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* @param array $array
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* @param mixed $index
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* @return array
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*/
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function dbFilter(array $array, $index): array
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{
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$newArray = [];
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foreach($array as $a)
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{
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$newArray[] = $a[$index];
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}
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return $newArray;
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}
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/**
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* Zip a set of arrays together on common keys
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*
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* The $zipperInput array is an array of arrays indexed by their place in the output
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* array.
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*
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* @param array $zipperInput
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* @return array
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*/
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function arrayZipper(array $zipperInput): array
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{
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$output = [];
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foreach($zipperInput as $appendKey => $values)
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{
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foreach($values as $index => $value)
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{
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if ( ! isset($output[$index]))
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{
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$output[$index] = [];
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}
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$output[$index][$appendKey] = $value;
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}
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}
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return $output;
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}
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/**
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* Determine whether a value in the passed array matches the pattern
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* passed
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*
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* @param array $array
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* @param string $pattern
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* @return bool
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*/
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function regexInArray(array $array, string $pattern): bool
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{
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if (empty($array))
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{
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return FALSE;
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}
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foreach($array as $item)
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{
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if (is_scalar($item) && preg_match($pattern, $item))
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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* Connection function
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*
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* Send an array or object as connection parameters to create a connection. If
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* the array or object has an 'alias' parameter, passing that string to this
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* function will return that connection. Passing no parameters returns the last
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* connection created.
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*
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* @param string|object|array $params
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* @return QueryBuilderInterface|null
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*/
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function Query($params = ''): ?QueryBuilderInterface
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{
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if ($params === NULL)
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{
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return NULL;
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}
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$manager = ConnectionManager::getInstance();
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// If you are getting a previously created connection
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if (is_scalar($params))
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{
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return $manager->getConnection($params);
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}
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$paramsObject = (object) $params;
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// Otherwise, return a new connection
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return $manager->connect($paramsObject);
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}
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// End of common.php
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