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Digg  stripslashes
Un-quote string quoted with addslashes
(PHP 4, PHP 5)
Example 2454. A stripslashes() example<?phpExample 2455. Using stripslashes() on an array<?phpThe above example will output: ArrayRelated Examples ( Source code ) » stripslashes Examples ( Source code ) » Regular Expression validates an email adress Examples ( Source code ) » String SQL command escape Examples ( Source code ) » Query the Google API using SOAP and PHP. Code Examples / Notes » stripslashesjab creations
When writing to a flatfile such as an HTML page you'll notice slashes being inserted. When you write to that page it's interesting how to apply stripslashes... I replaced this line... <?php fwrite($file, $_POST['textarea']); ?> With... <?php if (get_magic_quotes_gpc()) {fwrite ($file, stripslashes($_POST['textarea']));}?> You have to directly apply stripslashes to $_POST, $_GET, $_REQUEST, and $_COOKIE. alf
Take care using stripslashes() if the text you want to insert in the database contain \n characters ! You'll see "n" instead of (not seeing) "\n". It should be no problem for XML, but is still boring ... kibby
Okay, if using stripslashes_deep, it will definitely replace any NULL to "". This will affect to coding that depends isset(). Please provide a workaround based on recent note.
r_loebs
Of course why not just do an if($r){ stuff; } <-- this will check it all, NULL, 0, "" hash
Might I warn readers that they should be vary careful with the use of stripslashes on Japanese text. The shift_jis character set includes a number of two-byte code charcters that contain the hex-value 0x5c (backslash) which will get stripped by this function thus garbling those characters. What a nightmare! mattyblah
It should be of note that if you are stripping slashes to get rid of the slashes added by magic_quotes_gpc then it will also remove slashes from \. This may not seem that bad but if you have someone enter text such as 'testing\' with a slash at the end, this will cause an error if not corrected. It's best to strip the slashes, then add a slash to every single slash using $text = str_replace('\\', '\\\\', $text);
allen
In response to Tim's solution, it is only good for one-dimensional array. If the variables happened to be multi-dimensional arrays, we still have to use function like 'stripslashes_deep'.
stoic
in response to crab dot crab at gmail dot com: $value need not be passed by reference. The 'stripped' value is returned. The passed value is not altered. lukas.skowronski
If You want to delete all slashes from any table try to use my function: function no_slashes($array) { foreach($array as $key=>$value) { if(is_array($value)) { $value=no_slashes($value); $array_temp[$key]=$value; } else { $array_temp[$key]=stripslashes($value); } } return $array_temp; } 10-feb-2005 03:45
If you want to deal with slashes in double-byte encodings, such as shift_jis or big5, you may use this: <? function stripslashes2($string) { $string = str_replace("\\\"", "\"", $string); $string = str_replace("\\'", "'", $string); $string = str_replace("\\\\", "\\", $string); return $string; } ?> dragonfly
If you are having trouble with stripslashes() corrupting binary data, try using urlencode() and urldecode() instead.
gregory
Here is code I use to clean the results from a MySQL query using the stripslashes function. I do it by passing the sql result and the sql columns to the function strip_slashes_mysql_results. This way, my data is already clean by the time I want to use it. function db_query($querystring, $array, $columns) { if (!$this->connect_to_mysql()) return 0; $queryresult = mysql_query($querystring, $this->link) or die("Invalid query: " . mysql_error()); if(mysql_num_rows($queryresult)) { $columns = mysql_field_names ($queryresult); if($array) { while($row = mysql_fetch_row($queryresult)) $row_meta[] = $this->strip_slashes_mysql_results($row, $columns); return $row_meta; } else { while($row = mysql_fetch_object($queryresult)) $row_meta[] = $this->strip_slashes_mysql_results($row, $columns); return $row_meta; } } else return 0; } function strip_slashes_mysql_results($result, $columns) { foreach($columns as $column) { if($this->debug) printp(sprintf("strip_slashes_mysql_results: %s",strip_slashes_mysql_results)); $result->$column = stripslashes($result->$column); } return $result; } hauser dot j
Don't use stripslashes if you depend on the values NULL. Apparently stripslashes converts NULL to string(0) "" <?php $a = null; var_dump($a); $b = stripslashes($a); var_dump($b); ?> Will output NULL string(0) "" |
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