php empty object
Prior to PHP 5.5, empty() only supports variables; anything else will result in a parse error. ... When using empty() on inaccessible object properties, the __isset() ... , Cast to an array first $tmp = (array) $object; var_dump(empty($tmp));. The reason is, that an object is an object and there is no useful definition ..., You can cast to an array and then check if it is empty or not .... Source: http://php.net/manual/en/language.oop5.object-comparison.php., The standard way to create an "empty" object is: ... PHP creates the following Warning, implicitly creating the property key1 (an object itself).,If the value was NULL , the new instance will be empty. An array converts to an object with properties named by keys and corresponding values. Note that in this ... , I think it is cleaner to handle special cases early; your code winds up less indented. // converting dom into array to use later $fields ...
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php empty object 相關參考資料
empty - Manual - PHP
Prior to PHP 5.5, empty() only supports variables; anything else will result in a parse error. ... When using empty() on inaccessible object properties, the __isset() ... https://www.php.net How to check if stdClass object is empty or not in php? - Stack ...
Cast to an array first $tmp = (array) $object; var_dump(empty($tmp));. The reason is, that an object is an object and there is no useful definition ... https://stackoverflow.com How to check that an object is empty in PHP? - Stack Overflow
You can cast to an array and then check if it is empty or not .... Source: http://php.net/manual/en/language.oop5.object-comparison.php. https://stackoverflow.com How to define an empty object in PHP - Stack Overflow
The standard way to create an "empty" object is: ... PHP creates the following Warning, implicitly creating the property key1 (an object itself). https://stackoverflow.com Objects - Manual - PHP
If the value was NULL , the new instance will be empty. An array converts to an object with properties named by keys and corresponding values. Note that in this ... https://www.php.net php - Checking empty object - Code Review Stack Exchange
I think it is cleaner to handle special cases early; your code winds up less indented. // converting dom into array to use later $fields ... https://codereview.stackexchan |