FILTER_VALIDATE_URL 过滤器把值作为 URL 进行验证。
可能的标志:
</>code
- <?php
- $url = "http://www.example.com";
- if(!filter_var($url,
FILTER_VALIDATE_URL
))- {
- echo "URL is not valid";
- }
- else
- {
- echo "URL is valid";
- }
- ?>
输出:
</>code
- URL is valid
</>code
- <?php
- $url = "example.php?name=Peter&age=37";
- if(!filter_var($url,
FILTER_VALIDATE_URL
, FILTER_FLAG_QUERY_REQUIRED))- {
- echo "URL is not valid";
- }
- else
- {
- echo "URL is valid";
- }
- ?>
输出:
</>code
- URL is valid
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