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26 Cards in this Set
- Front
- Back
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FILTER_SANITIZE_EMAIL
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Remove all characters, except letters, digits and !#$%&'*+-/=?^_`{|}~@.[]
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FILTER_SANITIZE_SPECIAL_CHARS
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HTML-escape '"<>& and characters with ASCII value less than 32
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FILTER_SANITIZE_URL
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Remove all characters, except letters, digits and $-_.+!*'(),{}|\\^~[]`<>#%";/?:@&=
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FILTER_SANITIZE_NUMBER_INT
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Remove all characters, except digits and +-
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FILTER_SANITIZE_NUMBER_FLOAT
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Remove all characters, except digits, +- and optionally .,eE
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FILTER_CALLBACK
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Call a user-defined function to filter data
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FILTER_SANITIZE_MAGIC_QUOTES
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Apply addslashes()
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FILTER_SANITIZE_STRIPPED
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Alias of "string" filter
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FILTER_SANITIZE_STRING
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Strip tags, optionally strip or encode special characters
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FILTER_SANITIZE_ENCODED
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URL-encode string, optionally strip or encode special characters
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FILTER_SANITIZE_MAGIC_QUOTES
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Apply addslashes()
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FILTER_UNSAFE_RAW
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Do nothing, optionally strip or encode special characters
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FILTER_VALIDATE_INT
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Validate value as integer, optionally from the specified range
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FILTER_VALIDATE_BOOLEAN
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Return TRUE for "1", "true", "on" and "yes", FALSE for "0", "false", "off", "no", and "", NULL otherwise
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FILTER_VALIDATE_FLOAT
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Validate value as float
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FILTER_VALIDATE_REGEXP
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Validate value against regexp, a Perl-compatible regular expression
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FILTER_VALIDATE_URL
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Validate value as URL, optionally with required components
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FILTER_VALIDATE_EMAIL
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Validate value as e-mail
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FILTER_VALIDATE_IP
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Validate value as IP address, optionally only IPv4 or IPv6 or not from private or reserved ranges
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FUNCTION:
filter_has_var() |
Checks if a variable of a specified input type exist
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FUNCTION:
filter_id() |
Returns the ID number of a specified filter
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FUNCTION:
filter_input() |
Get input from outside the script and filter it
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FUNCTION:
filter_input_array() |
Get multiple inputs from outside the script and filters them
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FUNCTION:
filter_list() |
Returns an array of all supported filters
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FUNCTION:
filter_var_array() |
Get multiple variables and filter them
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FUNCTION:
filter_var() |
Get a variable and filter it
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