refactor(function-exists): drop checks for always-present capabilities

function_exists() returns false in PHP when a function is blocked by
disable_functions, when its extension is not compiled in, or when the
PHP version predates it. None of those apply to a native binary.

1 files changed, 2 insertions, 7 deletions

diff --git a/crates/shirabe-class-map-generator/src/php_file_parser.rs b/crates/shirabe-class-map-generator/src/php_file_parser.rs
index b7fb595c..0cb9180f 100644
--- a/crates/shirabe-class-map-generator/src/php_file_parser.rs
+++ b/crates/shirabe-class-map-generator/src/php_file_parser.rs
@@ -2,9 +2,8 @@
 
 use crate::php_file_cleaner::PhpFileCleaner;
 use shirabe_php_shim::{
-    PHP_EOL, RuntimeException, file_exists, file_get_contents, function_exists, is_file,
-    is_readable, ltrim, php_strip_whitespace, preg_match_all, str_replace_array, strrpos, substr,
-    trim,
+    PHP_EOL, RuntimeException, file_exists, file_get_contents, is_file, is_readable, ltrim,
+    php_strip_whitespace, preg_match_all, str_replace_array, strrpos, substr, trim,
 };
 use std::sync::OnceLock;
 
@@ -14,10 +13,6 @@ impl PhpFileParser {
     pub fn find_classes(path: &str) -> anyhow::Result<Vec<String>> {
         let extra_types = Self::get_extra_types();
 
-        if !function_exists("php_strip_whitespace") {
-            return Err(RuntimeException::new("Classmap generation relies on the php_strip_whitespace function, but it has been disabled by the disable_functions directive.".to_string()).into());
-        }
-
         // Use @ here instead of Silencer to actively suppress 'unhelpful' output
         let contents = match php_strip_whitespace(path) {
             Ok(contents) if !contents.is_empty() => contents,