Difference between `is_serialized_string` and `is_serialized`
If you check the source code of is_serialized() and is_serialized_string(), the difference will become clear. is_serialized() checks if the data is serialized, whereas is_serialized_string() checks, if the serialized data is of type string. var_dump( is_serialized( serialize(NULL) ) ); // true var_dump( is_serialized_string( serialize(NULL) ) ); // false var_dump( is_serialized( serialize(array(1,2,3)) ) ); // true var_dump( … Read more