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<?php /* * Polyfills. */ function stripslashes_from_strings_only( $value ) { return is_string( $value ) ? stripslashes( $value ) : $value; } function is_serialized( $data, $strict = true ) { // If it isn't a string, it isn't serialized. if ( ! is_string( $data ) ) { return false; } $data = trim( $data ); if ( 'N;' === $data ) { return true; } if ( strlen( $data ) < 4 ) { return false; } if ( ':' !== $data[1] ) { return false; } if ( $strict ) { $lastc = substr( $data, -1 ); if ( ';' !== $lastc && '}' !== $lastc ) { return false; } } else { $semicolon = strpos( $data, ';' ); $brace = strpos( $data, '}' ); // Either ; or } must exist. if ( false === $semicolon && false === $brace ) { return false; } // But neither must be in the first X characters. if ( false !== $semicolon && $semicolon < 3 ) { return false; } if ( false !== $brace && $brace < 4 ) { return false; } } $token = $data[0]; switch ( $token ) { case 's': if ( $strict ) { if ( '"' !== substr( $data, -2, 1 ) ) { return false; } } elseif ( false === strpos( $data, '"' ) ) { return false; } // Or else fall through. case 'a': case 'O': case 'E': return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); case 'b': case 'i': case 'd': $end = $strict ? '$' : ''; return (bool) preg_match( "/^{$token}:[0-9.E+-]+;$end/", $data ); } return false; } function map_deep( $value, $callback ) { if ( is_array( $value ) ) { foreach ( $value as $index => $item ) { $value[ $index ] = map_deep( $item, $callback ); } } elseif ( is_object( $value ) ) { $object_vars = get_object_vars( $value ); foreach ( $object_vars as $property_name => $property_value ) { $value->$property_name = map_deep( $property_value, $callback ); } } else { $value = call_user_func( $callback, $value ); } return $value; } function maybe_unserialize( $data ) { if ( is_serialized( $data ) ) { // Don't attempt to unserialize data that wasn't serialized going in. return @unserialize( trim( $data ) ); } return $data; } /* * Test. */ $test_data = 'a:2:{i:0;O:14:"SuperCustomXyz":1:{s:17:" SuperCustomXyz x";s:4:"test";}s:8:"testdata";a:2:{s:1:"a";i:1;s:1:"b";i:2;}}'; $unserialized = maybe_unserialize($test_data); $res = map_deep($unserialized, 'stripslashes_from_strings_only'); print_r($res);