<?php
$str = addslashes('What does "yolo" mean?');
echo($str);
?>
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Definition and usage
addslashes() function returns the predefined characters Strings preceded by a backslash:
Single quotation mark (')
Double quotation mark (")
Backslash. Bar (\)
NULL
Tip: This function can be used to prepare appropriate strings for strings stored in the database and database query statements.
Note: By default, the PHP instruction magic_quotes_gpc is on, automatically running addslashes() for all GET, POST and COOKIE data. Do not use addslashes() on strings that have been escaped by magic_quotes_gpc, as this will result in double escaping. When encountering this situation, you can
<?php
$str = "Who's Peter Griffin?";
echo $str . " This is not safe in a database query.<br>";
echo addslashes($str) . " This is safe in a database query.";
?>
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