Added bridging functionallity to PHP.

Cargo.toml

@@ -10,7 +10,6 @@ documentation = "https://nsoiffer.github.io/MathCAT/"
 edition = "2018"
 exclude = ["src/main.rs"]    # should have "Rules/", but then one can't run build.rs to build the zip file
 
-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
@@ -34,6 +33,7 @@ env_logger = "0.8.4"
 cfg-if = "1.0"
 zip = { version = "0.6.2", default-features = false, features = ["deflate"] }
 getrandom = { version = "0.2.3", features = ["js"] }
+ext-php-rs = "0.10.0"
 
 # # dependencies because of need to build wasm version for file i/o
 # yew = "0.18.0"
@@ -56,14 +56,15 @@ getrandom = { version = "0.2.3", features = ["js"] }
 # ]
 
 
-
 [build-dependencies]
 bitflags = "1.2.1"
 phf = { version = "0.8.0", features = ["macros"] }
 zip = { version = "0.6.2", default-features = false, features = ["deflate"] }
+cc = "1.0.79"
+bindgen = "0.64.0"
 
 [lib]
-name = "libmathcat"
+name = "mathcat"
 crate-type = ["rlib", "cdylib"]
 
 [profile.release]

src/lib.rs

@@ -61,6 +61,7 @@ mod chemistry;
 pub mod shim_filesystem; // really just for override_file_for_debugging_rules, but the config seems to throw it off
 pub use shim_filesystem::ZIPPED_RULE_FILES;
 pub use interface::*;
+pub use ext_php_rs::prelude::*;
 
 #[cfg(test)]
 pub fn init_logger() {
@@ -115,3 +116,28 @@ pub fn are_strs_canonically_equal(test: &str, target: &str) -> bool {
     return are_strs_canonically_equal_with_locale(test, target, ", \u{00A0}\u{202F}", ".");
 }
 
+#[php_function]
+pub fn mathcat_set_rules_dir(dir: String) {
+    let _ = set_rules_dir(dir);
+}
+
+#[php_function]
+pub fn mathcat_set_mathml(mathml_str: String) -> String {
+    return set_mathml(mathml_str).unwrap();
+}
+
+#[php_function]
+pub fn mathcat_get_spoken_text() -> String {
+    return get_spoken_text().unwrap();
+}
+
+#[php_function]
+pub fn mathcat_set_preference(name: String, value: String) {
+    let _ = set_preference(name, value);
+}
+
+#[php_module]
+pub fn get_module(module: ModuleBuilder) -> ModuleBuilder {
+    module
+}
+