How to check whether a String is empty in PHP
JavaScript Empty String: A Complete Guide To Checking Empty String
PHP - Check if given string is empty
Php - check if string is not empty or has a first character not equal to - Stack Overflow
PHP Empty() Function
How to create an empty string in PHP? - TutorialKart
JavaScript Empty String: A Complete Guide To Checking Empty String
How to check if a variable is empty in PHP - empty()
mysql - PHP Error 500 & Post data returns an empty string - Stack Overflow
Syntax to Check for Not Null and an Empty String in PHP | Delft Stack
Using the empty() Function in PHP - Pi My Life Up
Empty string for boolean converted to null even though database has default value. · Issue #17106 · yiisoft/yii2 · GitHub
Type Casting in PHP | CodeAhoy
PHP – empty() Explained – Tech Geek Galaxy
php - How to automatically convert json null values to empty string in Codeigniter - Stack Overflow
PHP empty: How to Check If the Variable is Empty or Not
PHP empty function with 3 examples
PHP : Why would json_encode return an empty string - YouTube
PHP Type Juggling Vulnerabilities & How to Fix Them | Invicti
php - How to add an empty string as the first element of an existing array? - Stack Overflow
PHP Implode – Convert Array to String with Join
DOMDocument::loadXML(): Empty string supplied as input · Issue #71 · subfission/cas · GitHub
