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FILTER_SANITIZE_STRING constant in PHP
The FILTER_SANITIZE_STRING constant deletes tags and encodes special characters from a string.
Flags
FILTER_FLAG_NO_ENCODE_QUOTES − Do not encode quotes
FILTER_FLAG_STRIP_LOW − Removes characters with ASCII value less than 32
FILTER_FLAG_STRIP_HIGH − Removes characters with ASCII value greater than 127
FILTER_FLAG_ENCODE_LOW − Encodes characters with ASCII value less than 32
FILTER_FLAG_ENCODE_HIGH − Encodes characters with ASCII value greater than 127
FILTER_FLAG_ENCODE_AMP − Encodes the "&" character to &
Return
The FILTER_SANITIZE_STRING constant does not return anything.
Example
<?php $var = "<p>£Demo! ££</p>"; $res = filter_var($var, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH); echo $res; ?>
Output
The following is the output.
Demo!
Updated on: 27-Jun-2020
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