HTML Encoder/Decoder for PHP

Free online html encoder/decoder with PHP code examples

Working with html encoder/decoder in PHP? Our free online html encoder/decoder helps PHP developers format, validate, and process data instantly. Below you will find PHP code examples using htmlspecialchars / htmlentities (built-in) so you can achieve the same result programmatically in your own projects.

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PHP Code Example

<?php
$raw = '<script>alert("XSS")</script>';

// Encode
$encoded = htmlspecialchars($raw, ENT_QUOTES, 'UTF-8');
echo $encoded;

// Decode
$decoded = htmlspecialchars_decode($encoded, ENT_QUOTES);
echo $decoded;

Quick Setup

Library: htmlspecialchars / htmlentities (built-in)
// Built-in functions — no installation needed

PHP Tips & Best Practices

  • Always use ENT_QUOTES and specify UTF-8 encoding
  • htmlentities() encodes all applicable characters
  • htmlspecialchars() only encodes &, <, >, ", '

Frequently Asked Questions

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