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1. define_syslog_variables
2. register_globals
3. register_long_arrays
4. safe_mode
5. magic_quotes_gpc
6. magic_quotes_runtime
7. magic_quotes_sybase
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int ereg ( string $pattern , string $string [, array &$regs ] )
int eregi ( string $pattern , string $string [, array &$regs ] )
int preg_match ( string $pattern , string $subject [, array &$matches [, int $flags [, int $offset ]]] )
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