1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

//! Types related to the PHP executor globals.

use crate::bindings::{_zend_executor_globals, ext_php_rs_executor_globals};

use super::types::array::ZendHashTable;

/// Stores global variables used in the PHP executor.
pub type ExecutorGlobals = _zend_executor_globals;

impl ExecutorGlobals {
    /// Returns a static reference to the PHP executor globals.
    pub fn get() -> &'static Self {
        // SAFETY: PHP executor globals are statically declared therefore should never
        // return an invalid pointer.
        unsafe { ext_php_rs_executor_globals().as_ref() }
            .expect("Static executor globals were invalid")
    }

    /// Attempts to retrieve the global class hash table.
    pub fn class_table(&self) -> Option<ZendHashTable> {
        if self.class_table.is_null() {
            return None;
        }

        unsafe { ZendHashTable::from_ptr(self.class_table, false) }.ok()
    }
}