filter_var
(no version information, might be only in CVS)
filter_var -- Filters a variable with a specified filter
Beskrivelse
mixed
filter_var ( mixed variable [, int filter [, mixed options]] )
Parameterliste
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.
Returneringsværdier
Returns the filtered data, or FALSE if the filter fails.
Eksempler
Eksempel 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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Ovenstående eksempel vil udskrive: string(15) "bob@example.com"
bool(false) |
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