addcslashes(3) [php man page]

ADDCSLASHES(3)								 1							    ADDCSLASHES(3)

addcslashes - Quote string with slashes in a C style

SYNOPSIS

       string addcslashes (string  $str, string  $charlist)

DESCRIPTION

	Returns a string with backslashes before characters that are listed in $charlist parameter.

PARAMETERS

	      o $str
		- The string to be escaped.

	      o $charlist
		-  A  list  of	characters  to be escaped. If $charlist contains characters 
, 
 etc., they are converted in C-like style, while
		other non-alphanumeric characters with ASCII codes lower than 32 and higher than 126 converted to octal representation.  When  you
		define	a sequence of characters in the charlist argument make sure that you know what characters come between the characters that
		you set as the start and end of the range.

	      <?php
	      echo addcslashes('foo[ ]', 'A..z');
	      // output:  foo[ ]
	      // All upper and lower-case letters will be escaped
	      // ... but so will the []^_`
	      ?>

	      <?php
	      echo addcslashes("zoo['.']", 'z..A');
	      // output:  zoo['.']
	      ?>

RETURN VALUES

	Returns the escaped string.

CHANGELOG

       +--------+---------------------------------------------+
       |Version |					      |
       |	|					      |
       |	|		  Description		      |
       |	|					      |
       +--------+---------------------------------------------+
       | 5.2.5	|					      |
       |	|					      |
       |	|  The escape sequences v and f were added. |
       |	|					      |
       +--------+---------------------------------------------+
EXAMPLES

       $charlist like "..37", which would escape all characters with ASCII code between 0 and 31.

       Example #1

	      addcslashes(3) example

	      <?php
	      $escaped = addcslashes($not_escaped, "..37!@177..377");
	      ?>

SEE ALSO

       stripcslashes(3), stripslashes(3), addslashes(3), htmlspecialchars(3), quotemeta(3).

PHP Documentation Group 													    ADDCSLASHES(3)

HTMLSPECIALCHARS_DECODE(3)						 1						HTMLSPECIALCHARS_DECODE(3)

htmlspecialchars_decode - Convert special HTML entities back to characters

SYNOPSIS

       string htmlspecialchars_decode (string  $string, [int  $flags = ENT_COMPAT | ENT_HTML401])

DESCRIPTION

	This function is the opposite of htmlspecialchars(3). It converts special HTML entities back to characters.

	The converted entities are: &, " (when ENT_NOQUOTES is not set), ' (when ENT_QUOTES is set), < and >.

PARAMETERS

	      o $string
		- The string to decode.

	      o $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 ENT_COMPAT | ENT_HTML401.

	      Available $flags constants

	      +--------------+---------------------------------------------------+
	      |Constant Name |							 |
	      | 	     |							 |
	      | 	     |			  Description			 |
	      | 	     |							 |
	      +--------------+---------------------------------------------------+
	      | 	     |							 |
	      | ENT_COMPAT   |							 |
	      | 	     |							 |
	      | 	     | Will  convert  double-quotes  and  leave  single- |
	      | 	     | quotes alone.					 |
	      | 	     |							 |
	      | 	     |							 |
	      | ENT_QUOTES   |							 |
	      | 	     |							 |
	      | 	     |	  Will convert both double and single quotes.	 |
	      | 	     |							 |
	      | 	     |							 |
	      |ENT_NOQUOTES  |							 |
	      | 	     |							 |
	      | 	     | Will  leave  both double and single quotes uncon- |
	      | 	     | verted.						 |
	      | 	     |							 |
	      | 	     |							 |
	      | ENT_HTML401  |							 |
	      | 	     |							 |
	      | 	     |		   Handle code as HTML 4.01.		 |
	      | 	     |							 |
	      | 	     |							 |
	      |  ENT_XML1    |							 |
	      | 	     |							 |
	      | 	     |		     Handle code as XML 1.		 |
	      | 	     |							 |
	      | 	     |							 |
	      |  ENT_XHTML   |							 |
	      | 	     |							 |
	      | 	     |		     Handle code as XHTML.		 |
	      | 	     |							 |
	      | 	     |							 |
	      |  ENT_HTML5   |							 |
	      | 	     |							 |
	      | 	     |		     Handle code as HTML 5.		 |
	      | 	     |							 |
	      +--------------+---------------------------------------------------+
RETURN VALUES

	Returns the decoded string.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.4.0	|						    |
       |	|						    |
       |	|  The constants ENT_HTML401,  ENT_XML1,  ENT_XHTML |
       |	| and ENT_HTML5 were added.			    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES

       Example #1

	      A htmlspecialchars_decode(3) example

	      <?php
	      $str = "<p>this -&gt; &quot;</p>
";

	      echo htmlspecialchars_decode($str);

	      // note that here the quotes aren't converted
	      echo htmlspecialchars_decode($str, ENT_NOQUOTES);
	      ?>

	      The above example will output:

	      <p>this -> "</p>
	      <p>this -> &quot;</p>

SEE ALSO

       htmlspecialchars(3), html_entity_decode(3), get_html_translation_table(3).

PHP Documentation Group 												HTMLSPECIALCHARS_DECODE(3)