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How to delete multiple array object attribute values in PHP

coldplay.xixiOriginal: 2020-08-18 10:08:572029browse

PHP method to delete multiple array object attribute values: 1. Delete the attribute directly, the code is [unset($query['matches'][$k]["attrs"]["content"]) ]; 2. Set the corresponding attribute value to empty, and the code is [["content"] = ''].

PHP implementation method of deleting attribute values of multiple array objects:

Method 1, Directly delete attributes:

foreach ( $query[&#39;matches&#39;] as $k => $val ) {
  unset($query[&#39;matches&#39;][$k]["attrs"]["content"]);
  unset($query[&#39;matches&#39;][$k]["attrs"]["remarks"]);
}

Method 2, set the corresponding attribute value to empty or other required values:

foreach ( $query[&#39;matches&#39;] as $k => $val ) {
  $query[&#39;matches&#39;][$k]["attrs"]["content"] = &#39;&#39;;
  $query[&#39;matches&#39;][$k]["attrs"]["remarks"] = &#39;&#39;;
}

Note: The key to operating multiple arrays is foreach Use as $k => $val in the loop to obtain the subscript of a specific element, otherwise the operation cannot be performed.

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