


What are the differences between php daddslashes() and saddslashes()_PHP Tutorial
//GPC filtering, automatically escapes special characters in $_GET, $_POST, $_COOKIE to prevent SQL injection attacks
$_GET = saddslashes($_GET);
$_POST = saddslashes($_POST ; ($string, $force = 0, $strip = FALSE) {
//Whether the string or array is forced or removed
//If magic reference is on or $force is 0
//The following is a three Meta operator, if $strip is true, execute stripslashes to remove the backslash characters, and then execute addslashes
//$strip is true, that is, remove the backslash characters first and then escape them as $_GET,$ _POST, $_COOKIE and $_REQUEST The $_REQUEST array contains the values of the first three arrays
//Why do we need to remove the backslash and then escape the $string here, because sometimes $string may have two backslashes, stripslashes filters out excess backslashes
$string = addslashes($strip ? stripslashes($string) : $string);
}
}
return $string ;
}eg: saddslashes function saddslashes($string) { if(!MAGIC_QUOTES_GPC){
if(is_array($string)) { //If the escape is an array, recursively convert the value in the array Meaning
foreach($string as $key => $val) {
$string[$key] = saddslashes($val);
}
} else {
$string = addslashes($string); //Escape single quotes ('), double quotes ("), backslashes () and NUL (NULL characters)
}
return $string;
}else{
return $string;
}
The main thing is:
saddslashes can escape every data
Copy code
The code is as follows:
function saddslashes($string) {
if(is_array($string)) {
}
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