Просмотр исходного текста страницы PHP/String/String Escape

==addslashes(): escapes quotes, double quotes, backslashes, and NULLs with backslashes==



   
  <!-- start source code -->
   
    <source lang="html4strict">
 
<?php
$escapedstring = addslashes("He said, "I"m a dog."");
$query = "INSERT INTO test (quote) values ("$escapedstring")";
echo($query);
?>

           
       </source>
    
   


==quotemeta(): escapes \ + * ? [ ^ ] ( $ )==



   
  <!-- start source code -->
   
    <source lang="html4strict">

<?
$literal_string = "AAA ($, *) are very special to me\n<BR>";
$qm_string = quotemeta($literal_string);
echo $qm_string;
?>
           
       </source>
    
   


==String SQL command escape==



   
  <!-- start source code -->
   
    <source lang="html4strict">
       
<?php
$query = "SELECT quote FROM test WHERE \"ID\"=1";
$quote = stripslashes($query);
   
echo $quote;
?>
           
       </source>
    
   


==To embed a single quote in a singly quoted string, escape it with a backslash==



   
  <!-- start source code -->
   
    <source lang="html4strict">
<?
$singly_quoted = "This quote mark\"s no big deal either";
echo ($singly_quoted);
?>
           
       </source>