The best way to check if an object is empty is by using a utility function like the one below. function isEmpty(obj) { for(var key in obj) { if(obj.hasOwnProperty(key)) return false; } return true; } So if you have an empty object, you can check whether it is empty by using...
Using the count function is another way to check if an array is empty. The count function will count all the elements within a countable object or array. Since an empty array will have0elements, you can use count to check how many elements an array contains. Below is the syntax of the ...
}if(empty($this->product_file_display_name)) {$this->setError(JText::_('J2STORE_PRODUCT_FILE_DISPLAY_NAME_IS_EMPTY')); $result =false; }//checkproduct file path is not emptyif(empty($this->product_file_save_name)) {$this->setError(JText::_('J2STORE_PRODUCT_FILE_PATH_IS_EMPTY...
$clientlist =self::ListDomains($currentuser['userid']);if(!fs_director::CheckForEmptyValue($clientlist)) {return$clientlist; }else{returnfalse; } } 开发者ID:TGates71,项目名称:Sentora-Windows-Upgrade,代码行数:10,代码来源:controller.ext.php 示例6: GetUserTemplate ▲点赞 1▼ /** * Retu...
If it returns an empty array, it means the object does not have any enumerable property, which in turn means it is empty.Object.entries(objectToCheck).length === 0You should also make sure the object is actually an object, by checking its constructor is the Object object:...
Check if object is a jQuery object using type() method Thetype()method in jQuery helps to know the data type or the structure of the variable specified. If the variable is a string, Boolean, number, etc., this will return it.
thesizeof()function. It counts the number of elements of an array or a countable object. What we will do is that we will find the number of elements in the array. If the number of elements in the array is 0 then our array is empty. The correct syntax to use this function is as ...
if ( $submit && $pmpro_msgt != "pmpro_error" ) {//make sure javascript is ok if ( apply_filters( "pmpro_require_javascript_for_checkout", true ) && ! empty( $_REQUEST['checkjavascript'] ) && empty( $_REQUEST['javascriptok'] ) ) { ...
C# see if files exist in SFTP directory C# Select .CSV File, Read Into MS Access Database C# Send Data To Various Computer C# Send mouseclick to hWnd C# SendKeys.Send problem C# serialize list<string> to xml C# Serialize to JSON inside a text file, but the object is empty, why? C#...
Follow the steps below to check your PHP version on a Windows system: 1. Open theCommand Prompt or Windows PowerShell. 2. Run the following command to check the PHP version: php -vCopy The command outputs the PHP version installed on your computer. If you get an error thatphp is not ...