set_magic_quotes_runtime
(PHP 4, PHP 5)
set_magic_quotes_runtime — Sets the current active configuration setting of magic_quotes_runtime
Description
bool set_magic_quotes_runtime
( bool
$new_setting
)Set the current active configuration setting of magic_quotes_runtime.
Warning
This function has been DEPRECATED as of PHP 5.3.0. Relying on this feature is highly discouraged.
Errors/Exceptions
Since PHP 5.3 this function has been deprecated and will raise an E_DEPRECATED warning upon execution. Since PHP 5.4 this function will also raise an E_CORE_ERROR on trying to enable magic quotes.
Parameters
-
new_setting -
FALSEfor off,TRUEfor on.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 set_magic_quotes_runtime() example
<?php
// Create a temporary file pointer
$fp = tmpfile();
// Write some data to the pointer
fwrite($fp, '\'PHP\' is a Recursive acronym');
// Without magic_quotes_runtime
rewind($fp);
set_magic_quotes_runtime(false);
echo 'Without magic_quotes_runtime: ' . fread($fp, 64), PHP_EOL;
// With magic_quotes_runtime
rewind($fp);
set_magic_quotes_runtime(true);
echo 'With magic_quotes_runtime: ' . fread($fp, 64), PHP_EOL;
// Clean up
fclose($fp);
?>
The above example will output:
Without magic_quotes_runtime: 'PHP' is a Recursive acronym With magic_quotes_runtime: \'PHP\' is a Recursive acronym
See Also
- get_magic_quotes_gpc() - Gets the current configuration setting of magic_quotes_gpc
- get_magic_quotes_runtime() - Gets the current active configuration setting of magic_quotes_runtime
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Коментарии
get_magic_quotes runtime and set_magic_quotes_runtime are useful when you want to read some data in a binary file using fread() and some bytes in such file may be interpreted as \ (backslash), " (double quotes), ' (simple quote) or any "special" character that has a meaning for string processing.You should NEVER rely on magic quotes or addslashes for security in an SQL context. You should ALWAYS use proper escape functions, such as mysql_real_escape_string. Failure to do so may result in an SQL injection vulnerability.Be aware that even using ini_set to set 'magic_quotes_runtime' will stop working in PHP 5.4. See info.configuration#ini.magic-quotes-runtimeA simple check and disabling of magic quotes whenever needed (e.g. if you deploy to multiple servers or you don't know the target server's PHP version).
<?php
if(version_compare(PHP_VERSION, '5.3.0', '<')){
set_magic_quotes_runtime(0);
}
?>