PHP FILTER_SANITIZE_ENCODEDFilter

PHP Filter 参考手册Complete PHP Filter Reference Manual

Definition and Usage

The FILTER_SANITIZE_ENCODED filter removes or URL-encodes unwanted characters.

This filter is very similar to the urlencode() function.

  • Name: "encoded"
  • ID-number: 514

Possible flags:

  • FILTER_FLAG_STRIP_LOW - Remove characters with ASCII value below 32
  • FILTER_FLAG_STRIP_HIGH - Remove characters with ASCII value above 32
  • FILTER_FLAG_ENCODE_LOW - Encode characters with ASCII value below 32
  • FILTER_FLAG_ENCODE_HIGH - Encode characters with ASCII value above 32

Example

<?php
$url="http://www.example.com";

var_dump(filter_var($url,FILTER_SANITIZE_ENCODED));
?>

The output of the code is shown below:

string(29) "http%3A%2F%2Fwww.example.com"

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