How to check whether a String is empty in PHP
PHP – empty() Explained – Tech Geek Galaxy
magento2 - How can i resolve Empty string supplied as input in DOMDocument::loadXML() in magento 2? - Magento Stack Exchange
is_null function in PHP
PHP empty function with 3 examples
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Php - check if string is not empty or has a first character not equal to - Stack Overflow
Difference Between null and empty - Pediaa.Com
PHP empty() string function
PHP empty: How to Check If the Variable is Empty or Not
Support for php stan types (for example non-empty-string) · Issue #2152 · bmewburn/vscode-intelephense · GitHub
Empty string for boolean converted to null even though database has default value. · Issue #17106 · yiisoft/yii2 · GitHub
PHP empty function with 3 examples
php - mysqli_real_escape_string() returning empty string - Stack Overflow
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JavaScript Empty String: A Complete Guide To Checking Empty String
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PHP empty function with 3 examples
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How to check empty string in react native
How to solve Symfony 5 exception: Expected argument of type "string", "null" given at property path | Our Code World
Ondřej Mirtes on Twitter: "A few days ago I released PHPStan 0.12.92 with new PHPDoc type support: non-empty-string The number of new issues related to it proves it's already a popular feature
