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PHP – empty() Explained – Tech Geek Galaxy
PHP empty() string function
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0' as a string with empty() in PHP - Stack Overflow
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PHP Empty() Function
DOMDocument::loadXML(): Empty string supplied as input in · Issue #9 · ozgur/php-est · GitHub
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How to check for empty string in PHP ? - GeeksforGeeks
How to check for empty string in PHP ? - GeeksforGeeks
PHP – empty() Explained – Tech Geek Galaxy
Syntax to Check for Not Null and an Empty String in PHP | Delft Stack
regex101: Empty string test
Support for php stan types (for example non-empty-string) · Issue #2152 · bmewburn/vscode-intelephense · GitHub
