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<?php
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/**
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* @file
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* Implementation of i18n hooks
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*/
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/**
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* Implements hook_i18n_string_objects().
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*
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* Automate object list for object types that have a 'table' property
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*/
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function i18n_string_i18n_string_objects($type) {
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if ($function = i18n_object_info($type, 'list callback')) {
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return call_user_func($function);
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}
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elseif ($table = i18n_string_object_info($type, 'table')) {
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$query = db_select($table, 's')->fields('s');
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return $query->execute()->fetchAll();
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}
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}
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/**
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* Implements hook_i18n_string_list().
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*
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* Collect all strings from objects of this group.
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*/
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function i18n_string_i18n_string_list($group) {
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$strings = array();
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// It may be for one group or all groups
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$groups = $group == 'all' ? array_keys(i18n_string_group_info()) : array($group);
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foreach ($groups as $group) {
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// Compile strings for object types for this group
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foreach (i18n_string_group_object_types($group) as $type) {
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$type_strings = i18n_string_object_type_string_list($type);
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if ($type_strings && !empty($type_strings[$group])) {
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$strings[$group] = isset($strings[$group]) ? i18n_string_array_merge($strings[$group], $type_strings[$group]) : $type_strings[$group];
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}
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}
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}
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return $strings;
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}
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/**
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* Get object types for text group
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*/
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function i18n_string_group_object_types($group) {
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$types = array();
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foreach (i18n_object_info() as $type => $type_info) {
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if (!empty($type_info['string translation']) && $type_info['string translation']['textgroup'] == $group) {
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$types[] = $type;
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}
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}
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return $types;
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}
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/**
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* Get object string list that are in this text group.
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*
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* @param $type
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* Object type
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*/
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function i18n_string_object_type_string_list($type) {
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$strings = array();
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if ($objects = module_invoke_all('i18n_string_objects', $type)) {
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foreach ($objects as $object) {
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if ($object_strings = i18n_object($type, $object)->get_properties()) {
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$strings = i18n_string_array_merge($strings, $object_strings);
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}
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}
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}
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return $strings;
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}
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/**
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* Merges multiple arrays, recursively, and returns the merged array.
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*
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* This function is not equivalent to PHP's array_merge_recursive(),
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* as this version leaves integer keys intact.
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*
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* @see drupal_array_merge_deep(), @see array_merge_recursive()
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*
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* @param ...
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* Arrays to merge.
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* @return
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* The merged array.
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*/
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function i18n_string_array_merge() {
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$arrays = func_get_args();
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$result = array();
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foreach ($arrays as $array) {
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foreach ($array as $key => $value) {
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// Recurse when both values are arrays.
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if (isset($result[$key]) && is_array($result[$key]) && is_array($value)) {
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$result[$key] = i18n_string_array_merge($result[$key], $value);
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}
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// Otherwise, use the latter value, overriding any previous value.
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else {
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$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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