filter_var
(no version information, might be only in CVS)
filter_var -- Filters a variable with a specified filter
Descrição
mixed
filter_var ( mixed variable [, int filter [, mixed options]] )
Parâmetros
variable
Value to filter, arrays are filtered recursively.
filter
ID of a filter to use.
Defaults to FILTER_SANITIZE_STRING.
options
Associative array of options or bitwise disjunction of flags. If filter
accepts options, flags can be provided in "flags" field of array. For
the "callback" filter, callback type should be passed.
Valores de retornado
Returns the filtered data, or FALSE if the filter fails.
Exemplos
Exemplo 1. A filter_var() example
<?php var_dump(filter_var('bob@example.com', FILTER_VALIDATE_EMAIL)); var_dump(filter_var('example.com', FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED)); ?>
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O exemplo acima irá imprimir: string(15) "bob@example.com"
bool(false) |
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