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Bookmark or Share- PHP: Unsetting References - ManualChange language: Unsetting References ¶. When you unset the reference, you just break the binding between variable name and variable content. This does not mean that variable content will be destroyed. For example: won't unset $b, just $a.
- PHP unset() Function - W3SchoolsDefinition and Usage. The unset () function unsets a variable. Syntax. unset ( variable, .... ); Parameter Values. Technical Details. PHP Variable Handling Reference. W3schools Pathfinder. Log in Sign Up. HTML Tutorial. CSS Tutorial. JavaScript Tutorial. How To Tutorial. SQL Tutorial. Python Tutorial. W3.CSS Tutorial. Bootstrap Tutorial.
- PHP: unset - Manualunset () destroys the specified variables. The behavior of unset () inside of a function can vary depending on what type of variable you are attempting to destroy. If a globalized variable is unset () inside of a function, only the local variable is destroyed.
- $unset - MongoDB Manual v7.0When used with $ to match an array element, $unset replaces the matching element with null rather than removing the matching element from the array. This behavior keeps consistent the array size and element positions.
- unset() - W3docsThe unset() function is a built-in function in PHP that destroys a variable or an element of an array. It can be used to free up memory and remove variables or elements that are no longer needed. Syntax. The syntax of the unset() function is as follows: void unset ( mixed $var [, mixed $... ]) The function takes one or more parameters.
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