PHP FILTER_VALIDATE_URL φίλτρο

PHP Filter Information

Ορισμός και χρήση

FILTER_VALIDATE_URL φίλτρο επικύρωσης URL ελέγχει την τιμή ως URL.

  • Name: "validate_url"
  • ID-number: 273

Possible Flags:

  • FILTER_FLAG_SCHEME_REQUIRED - Requires the URL to be an RFC-compliant URL. (e.g., http://example)
  • FILTER_FLAG_HOST_REQUIRED - Requires the URL to contain a hostname (http://www.example.com)
  • FILTER_FLAG_PATH_REQUIRED - Requires the URL to have a path after the hostname (e.g., eg.com/example1/)
  • FILTER_FLAG_QUERY_REQUIRED - Requires the URL to have a query string (e.g., "eg.php?age=37")

Examples

Example 1

<?php
$url = "http://www.example.com";
if(!filter_var($url, FILTER_VALIDATE_URL
 {
 echo "URL is not valid";
 
else
 {
 echo "URL is valid";
 


URL is valid

Example 2

<?php

if(!filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED))
{
echo "URL is not valid";

else
{
echo "URL is valid";



URL is valid

PHP Filter Information