is_null

PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
is_null - Finds whether a variable is null
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Code Examples

is_null( mixed$value ): bool

Finds whether the given variable is null.

Parameters

value

The variable being evaluated.

Return Values

Returns true if value is null, false otherwise.

Related Functions

Example of is_null

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