Remove double type coercion

Author: danog

Cargo.toml

@@ -5,7 +5,7 @@ repository = "https://github.com/davidcole1340/ext-php-rs"
 homepage = "https://github.com/davidcole1340/ext-php-rs"
 license = "MIT OR Apache-2.0"
 keywords = ["php", "ffi", "zend"]
-version = "0.11.2"
+version = "0.12.0"
 authors = ["David Cole <david.cole1340@gmail.com>"]
 edition = "2018"
 categories = ["api-bindings"]

src/types/zval.rs

@@ -95,7 +95,7 @@ impl Zval {
         if self.is_double() {
             Some(unsafe { self.value.dval })
         } else {
-            self.long().map(|x| x as f64)
+            None
         }
     }
 
@@ -114,17 +114,10 @@ impl Zval {
 
     /// Returns the value of the zval if it is a string.
     ///
-    /// If the zval does not contain a string, the function will check if it
-    /// contains a double or a long, and if so it will convert the value to
-    /// a [`String`] and return it. Don't rely on this logic, as there is
-    /// potential for this to change to match the output of the [`str()`]
-    /// function.
-    ///
     /// [`str()`]: #method.str
     pub fn string(&self) -> Option<String> {
         self.str()
             .map(|s| s.to_string())
-            .or_else(|| self.double().map(|x| x.to_string()))
     }
 
     /// Returns the value of the zval if it is a string.