Hướng dẫn php remove html entities
I am trying to sanitize a string and have ended up with the following: Show
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I am trying to remove the lt, i, gt as those are reduced HTML entities which do not seem to be removed. What would be the best way to approach this or another solution that I could look at? Here is my current solution for now:
And here is an example input string:
Thanks! asked Jul 31, 2018 at 19:44 1 The telltale "Assessing <i>Clivia</i> taxonomy using the core DNA barcode regions, <i>matK</i> and <i>rbcLa</i>" when viewed as plain text. The string you show above is what would show in a browser which would interpret '<' as '<' and '>' as '>'. (These are usually called "HTML entities" and offer a way to encode a character that would otherwise be interpreted as HTML.) One option is to process like this:
But do be aware that strip_tags is an exceedingly naïve function. For example it would turn '1<5 and 6>2' into '12'! So you need to be sure that all your input text is double-HTML encoded as the example is for it to work perfectly. answered Jul 31, 2018 at 20:14 0 Instead of filter_var, try strip_tags: http://php.net/manual/en/function.strip-tags.php
answered Jul 31, 2018 at 19:48 The DogThe Dog 4622 silver badges11 bronze badges 2 Great, but if didn't clean UTF-8 icon char but it is a great begin. I have added
answered Jul 24 at 5:25 SebSeb 481 silver badge6 bronze badges Better way is strip_tags(); See a manual here: http://php.net/manual/ru/function.strip-tags.php An example:
answered Jul 31, 2018 at 19:49 NikolaiNikolai 1951 gold badge1 silver badge12 bronze badges Not the answer you're looking for? Browse other questions tagged php string replace html-entities or ask your own question.(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8) html_entity_decode — Convert HTML entities to their corresponding characters Descriptionhtml_entity_decode(string More precisely, this function decodes all the entities (including all numeric entities) that a) are necessarily valid for the chosen document type — i.e., for XML, this function does not decode named entities that might be defined in some DTD — and b) whose character or characters are in the coded character set associated with the chosen encoding and are permitted in the chosen document type. All other entities are left as is. Parametersstring The input string. flags A bitmask of one or more of the following flags, which specify how to handle quotes and which document type to use. The default is flags constants
encoding An optional argument defining the encoding used when converting characters. If omitted, Although this argument is technically optional, you are highly encouraged to specify the correct value for your code if the default_charset configuration option may be set incorrectly for the given input. The following character sets are supported: Supported charsets
Return ValuesReturns the decoded string. Changelog
ExamplesExample #1 Decoding HTML entities
$a; // I'll "walk" the <b>dog</b> nowecho $b; // I'll "walk" the dog now Notes
See Also
Martin ¶ 11 years ago
echo $output;
txnull ¶ 7 years ago
Daniel A. ¶ 4 years ago
Benjamin ¶ 9 years ago
php dot net at c dash ovidiu dot tk ¶ 17 years ago
$ord < 128) Anonymous ¶ 1 year ago
neurotic dot neu at gmail dot com ¶ 12 years ago
Free at Key dot no ¶ 12 years ago
Matt Robinson ¶ 12 years ago
me at richardsnazell dot com ¶ 14 years ago
Victor ¶ 10 years ago
jojo ¶ 15 years ago
daniel at brightbyte dot de ¶ 17 years ago
grvg (at) free (dot) fr ¶ 16 years ago
htmlentities2utf8 ($string) // because of the html_entity_decode() bug with UTF-8
slickriptide at gmail dot com ¶ 5 years ago
marion at figmentthinking dot com ¶ 13 years ago
jl dot garcia at gmail dot com ¶ 13 years ago
kae at verens dot com ¶ 14 years ago
How do you remove HTML tags from data in PHP?The strip_tags() function strips a string from HTML, XML, and PHP tags. Note: HTML comments are always stripped. This cannot be changed with the allow parameter. How do I remove special characters from a string in HTML?Your answer function clean($string) { $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens. return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars. } How remove all special characters from a string in PHP?Using str_ireplace() Method: The str_ireplace() method is used to remove all the special characters from the given string str by replacing these characters with the white space (” “). What is the use of Htmlentities () function in PHP?htmlentities() Function: The htmlentities() function is an inbuilt function in PHP that is used to transform all characters which are applicable to HTML entities. This function converts all characters that are applicable to HTML entities. |