php removes backslashes added by addcslashes() function stripcslashes()

Example

Remove the backslash in front of "World!":

<?php
echo stripslashes("Hello World!");
?>

Definition and usage

stripcslashes() Function Remove backslashes added by the addcslashes() function.

Tip: This function can be used to clean data retrieved from the database or from an HTML form.

Syntax

stripcslashes(string)

Parameters	Description
string	Required. Specifies the string to be checked.

Technical details

Return value:	Returns the unescaped string.
PHP version:	4+

##In addition, using the

addslashes function also "'" can be escaped directly.

The example is as follows:

<?php
$sql = "update book set bookname=&#39;let&#39;s go&#39; where bookid=1";
 echo $sql."<br/>";
 $new_sql = addcslashes($sql,"&#39;");
 echo $new_sql."<br/>";
 $new_sql_01 = stripcslashes($new_sql);
 echo $new_sql_01."<br/>";
 echo addslashes($sql);
?>

The running result is as follows:

update book set bookname='let's go' where bookid=1
update book set bookname=\'let\'s go\' where bookid=1
update book set bookname='let's go' where bookid=1
update book set bookname=\'let\'s go\' where bookid=1

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