15

validateuseragent

validateurl  |  validateusername

validateuseragent.php
validate_user_agent
SYNOPSIS

validate_user_agent($agent)

DESCRIPTION

validate_user_agent returns true if $agent is a valid User-Agent string.

A valid User-Agent string must not contain control characters.

CODE
  1. function validate_user_agent($agent) {
  2.     return is_string($agent) and !preg_match('/[\x00-\x1F\x7F]/', $agent);
  3. }
SEE ALSO

useragent

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