Live Sandbox PHP htmlspecialchars() Function
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addslashes() - Add backslashes (\) base_convert() - Converts a number between two bases crc32() - Cyclic redundancy checksum crypt() - Calculate the hash of a string decbin() - Convert numbers to binary (base-2) decoct() - Convert numbers to octal (base-8) dechex() - Convert numbers to hexadecimal (base-16) dns_get_record() - Retrieves DNS resource htmlspecialchars() - Convert special characters to HTML entities lcfirst() - Converts first character to lowercase md5() - Calculate MD5 hash of a string openssl_encrypt() - Encrypts plain text data openssl_decrypt() - Decrypts cipher text openssl_get_cipher_methods() - Lists available cipher methods preg_match() - Regular expression (RegEx) match sha1() - Calculate sha1 hash of a string str_word_count() - Determines number of words in a string strlen() - Calculate character length of a string strip_tags() - Removes HTML and PHP tags from a string stripslashes() - Removes backslashes (\) strrev() - Reverses order of a string strtolower() - Convert string to all lowercase strtoupper() - Convert string to all uppercase ucfirst() - Converts first character to uppercase ucwords() - Converts first letter of each word to uppercase urlencode() - Encodes a string for use in URL query urldecode() - Decodes the query part of a URL string.
PHP htmlspecialchars() Function
Instructions/Notes

htmlspecialchars($your_string, quotestyle, character-set ) - Convert special characters to HTML entities. The special characters are:

  • & (ampersand) becomes '&'
  • " (double quote) becomes '"'
  • ' (singe quote) becomes '''
  • < (less than) becomes '&lt;'
  • > (greater than) becomes '&gt;'

htmlentities($your_string, quotestyle, character-set ) - Very similar to htmlspecialchars() function. However, all applicable characters having HTML character entity equivalents are translated into these entities.

This tool uses the ENT_QUOTES style with the default character set of ISO-8859-1.



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Suggested Reading

PHP Cookbook: Solutions & Examples


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Great help for someone thrown into the fray