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filter_var
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description
Filters a variable with a specified filter.
Filtern einer Variablen durch einen spezifischen Filter.
Fitlra una variable con el filtro que se indique.
Filtre une variable avec un filtre spécifique.
Filtra a variável com um especificado filtro.
declaration of filter_var
mixed filter_var ( mixed $variable [, int $filter ] [, mixed $options ] )
test filter_var online
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