我有一個深度未知的動態多維數組。key=>value我想根據另一個條件替換 a key=>value。例如，當is$settings[$cient_id]時，替換 的值。$form_id1f44537$data = array ( 0 => array ( 'id' => '2cd5985', 'elType' => 'section', 'settings' => array(), 'elements' => array ( 0 => array ( 'id' => '88063e6', 'elType' => 'column', 'settings' => array(), 'elements' => array ( 0 => array ( 'id' => '1f44537', 'elType' => 'widget', 'settings' => array ( 'ap_google_sheet_client_id' => 'test_id', ), 'elements' => array ( ), 'widgetType' => 'form', ), ) ), 1 => array ( 'id' => '7878c73', 'elType' => 'column', 'settings' => array(), 'elements' => array ( 0 => array ( 'id' => '1f44537', 'elType' => 'widget', 'settings' => array ( 'ap_google_sheet_client_id' => 'test_id', ), 'elements' => array ( ), 'widgetType' => 'form', ), ) ), ), ),);這是我不成功的嘗試嘗試1public function replace_recursive( $elements, $form_id ) { foreach ( $elements as &$element) { if ( $element['id'] === $form_id ) { $element['settings']['ap_google_sheet_client_id'] = 'replaced'; return $elements; } if ( ! empty( $element['elements'] ) ) { $elements = self::replace_recursive( $element['elements'], $form_id ); if ( $elements ) { return $elements; } } } }
1 回答
慕仙森
TA貢獻1827條經驗 獲得超8個贊
正如您所說，代碼正在正確替換該值。只是您當前正在返回$elements從遞歸調用返回的值。但這是一個比整個數組更小的數組，因此您不應該將該數組進一步向上冒泡。
相反，只需將該結果注入到“elements”鍵處的當前包裝數組中，然后返回結果數組：
$data = [[
'id' => '2cd5985',
'elements' => [[
'id' => '88063e6',
'elements' => [[
'id' => '1f44537',
'settings' => [
'form_name' => 'New Form',
'form_fields' => [[
'custom_id' => 'name',
'field_label' => 'Name',
'placeholder' => 'Name',
'_id' => '948d900',
'field_pattern_message' => 'Please match the requested format',
],
[
'custom_id' => 'email',
'field_type' => 'email',
'required' => 'true',
'field_label' => 'Email',
'placeholder' => 'Email',
'_id' => '243a095',
'field_pattern_message' => 'Please match the requested format',
]],
'ap_google_sheet_client_id' => '',
],
'elements' => [],
'widgetType' => 'form',
]],
'isInner' => false,
]],
'isInner' => false,
]];
function replace_recursive( $elements, $form_id ) {
foreach ( $elements as &$element) {
if ( $element['id'] === $form_id ) {
$element['settings']['ap_google_sheet_client_id'] = 'replaced';
return $elements;
}
if ( ! empty( $element['elements'] ) ) {
$subelements = replace_recursive( $element['elements'], $form_id );
if ( $subelements ) {
// Inject result back into our array
$element["elements"] = $subelements;
return $elements;
}
}
}
}
$res = replace_recursive( $data, "1f44537");
var_dump($res);
請參閱此沙箱中的另一個輸入示例
在第二次嘗試中，您將return循環的外部放置起來。但這意味著你總是返回數組。然而，您需要以某種方式指示更換是否發生。當您沒有替換值時最好返回null，并且僅在替換時返回完整數組。否則，您沒有任何跡象表明您何時可以停止進一步尋找。
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