1 files changed, 67 insertions, 0 deletions
diff --git a/src/modules/php.rs b/src/modules/php.rs
new file mode 100644
index 000000000..3e29ca1fb
--- /dev/null
+++ b/src/modules/php.rs
@@ -0,0 +1,67 @@
+use std::process::Command;
+
+use super::{Context, Module, RootModuleConfig, SegmentConfig};
+
+use crate::configs::php::PhpConfig;
+
+/// Creates a module with the current PHP version
+///
+/// Will display the PHP version if any of the following criteria are met:
+///     - Current directory contains a `.php` file
+///     - Current directory contains a `composer.json` file
+pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
+    let is_php_project = context
+        .try_begin_scan()?
+        .set_files(&["composer.json"])
+        .set_extensions(&["php"])
+        .is_match();
+
+    if !is_php_project {
+        return None;
+    }
+
+    match get_php_version() {
+        Some(php_version) => {
+            let mut module = context.new_module("php");
+            let config: PhpConfig = PhpConfig::try_load(module.config);
+
+            module.set_style(config.style);
+
+            let formatted_version = format_php_version(&php_version)?;
+            module.create_segment("symbol", &config.symbol);
+            module.create_segment("version", &SegmentConfig::new(&formatted_version));
+
+            Some(module)
+        }
+        None => None,
+    }
+}
+
+fn get_php_version() -> Option<String> {
+    match Command::new("php")
+        .arg("-r")
+        .arg("echo PHP_MAJOR_VERSION.'.'.PHP_MINOR_VERSION.'.'.PHP_RELEASE_VERSION;")
+        .output()
+    {
+        Ok(output) => Some(String::from_utf8(output.stdout).unwrap()),
+        Err(_) => None,
+    }
+}
+
+fn format_php_version(php_version: &str) -> Option<String> {
+    let mut formatted_version = String::with_capacity(php_version.len() + 1);
+    formatted_version.push('v');
+    formatted_version.push_str(php_version);
+    Some(formatted_version)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_format_php_version() {
+        let input = "7.3.8";
+        assert_eq!(format_php_version(input), Some("v7.3.8".to_string()));
+    }
+}