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<?php |
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/** |
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* This file is part of the Composer Merge plugin. |
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* |
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* Copyright (C) 2015 Bryan Davis, Wikimedia Foundation, and contributors |
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* |
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* This software may be modified and distributed under the terms of the MIT |
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* license. See the LICENSE file for details. |
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*/ |
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namespace Wikimedia\Composer\Merge; |
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/** |
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* Adapted from |
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* http://cgit.drupalcode.org/drupal/tree/core/lib/Drupal/Component/Utility/NestedArray.php |
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* @ f86a4d650d5af0b82a3981e09977055fa63f6f2e |
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*/ |
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class NestedArray |
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{ |
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/** |
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* Merges multiple arrays, recursively, and returns the merged array. |
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* |
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* This function is similar to PHP's array_merge_recursive() function, but |
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* it handles non-array values differently. When merging values that are |
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* not both arrays, the latter value replaces the former rather than |
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* merging with it. |
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* |
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* Example: |
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* |
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* @code |
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* $link_options_1 = array('fragment' => 'x', 'attributes' => array('title' => t('X'), 'class' => array('a', 'b'))); |
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* $link_options_2 = array('fragment' => 'y', 'attributes' => array('title' => t('Y'), 'class' => array('c', 'd'))); |
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* |
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* // This results in array('fragment' => array('x', 'y'), 'attributes' => |
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* // array('title' => array(t('X'), t('Y')), 'class' => array('a', 'b', |
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* // 'c', 'd'))). |
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* $incorrect = array_merge_recursive($link_options_1, $link_options_2); |
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* |
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* // This results in array('fragment' => 'y', 'attributes' => |
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* // array('title' => t('Y'), 'class' => array('a', 'b', 'c', 'd'))). |
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* $correct = NestedArray::mergeDeep($link_options_1, $link_options_2); |
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* @endcode |
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* |
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* @param array ... |
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* Arrays to merge. |
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* |
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* @return array |
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* The merged array. |
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* |
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* @see NestedArray::mergeDeepArray() |
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*/ |
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public static function mergeDeep() |
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{ |
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return self::mergeDeepArray(func_get_args()); |
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} |
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/** |
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* Merges multiple arrays, recursively, and returns the merged array. |
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* |
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* This function is equivalent to NestedArray::mergeDeep(), except the |
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* input arrays are passed as a single array parameter rather than |
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* a variable parameter list. |
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* |
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* The following are equivalent: |
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* - NestedArray::mergeDeep($a, $b); |
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* - NestedArray::mergeDeepArray(array($a, $b)); |
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* |
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* The following are also equivalent: |
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* - call_user_func_array('NestedArray::mergeDeep', $arrays_to_merge); |
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* - NestedArray::mergeDeepArray($arrays_to_merge); |
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* |
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* @param array $arrays |
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* An arrays of arrays to merge. |
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* @param bool $preserve_integer_keys |
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* (optional) If given, integer keys will be preserved and merged |
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* instead of appended. Defaults to false. |
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* |
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* @return array |
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* The merged array. |
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* |
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* @see NestedArray::mergeDeep() |
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*/ |
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public static function mergeDeepArray( |
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array $arrays, |
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$preserve_integer_keys = false |
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) { |
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$result = array(); |
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foreach ($arrays as $array) { |
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foreach ($array as $key => $value) { |
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// Renumber integer keys as array_merge_recursive() does |
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// unless $preserve_integer_keys is set to TRUE. Note that PHP |
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// automatically converts array keys that are integer strings |
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// (e.g., '1') to integers. |
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if (is_integer($key) && !$preserve_integer_keys) { |
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$result[] = $value; |
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} elseif (isset($result[$key]) && |
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is_array($result[$key]) && |
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is_array($value) |
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) { |
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// Recurse when both values are arrays. |
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$result[$key] = self::mergeDeepArray(array($result[$key], $value), $preserve_integer_keys); |
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} else { |
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// Otherwise, use the latter value, overriding any |
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// previous value. |
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$result[$key] = $value; |
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} |
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} |
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} |
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return $result; |
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} |
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} |
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// vim:sw=4:ts=4:sts=4:et: |
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wikimedia /
composer-merge-plugin
This check marks parameter names that have not been written in camelCase.
In camelCase names are written without any punctuation, the start of each new word being marked by a capital letter. Thus the name database connection string becomes
databaseConnectionString.