refactor(preg): drop the offset argument from preg_match

Every call site but one passed offset 0. The remaining one, the UTF-8
chunking loop in Application, slices the subject instead: its pattern has
no anchor or lookaround, so matching a suffix is equivalent to starting
the search at that offset.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/crates/shirabe/src/command/diagnose_command.rs b/crates/shirabe/src/command/diagnose_command.rs
index f7f84575..860c058b 100644
--- a/crates/shirabe/src/command/diagnose_command.rs
+++ b/crates/shirabe/src/command/diagnose_command.rs
@@ -37,7 +37,7 @@ use shirabe_php_shim::PhpClass as _;
 use shirabe_php_shim::{
     AnyThrowable, Catch as _, CmpOp, InvalidArgumentException, PHP_EOL, PhpMixed, RuntimeException,
     disk_free_space, file_exists, filter_var_boolean, hash, impl_php_class, implode, is_array,
-    is_string, php_regex, preg_match2, rtrim, str_replace, strpos, strstr, strstr3, strtolower,
+    is_string, php_regex, preg_match, rtrim, str_replace, strpos, strstr, strstr3, strtolower,
     trim, version_compare,
 };
 use shirabe_symfony_console::command::Command;
@@ -861,10 +861,9 @@ impl DiagnoseCommand {
             warnings.insert("zlib".to_string(), PhpMixed::Bool(true));
         }
 
-        if let Some(phpinfo_match) = preg_match2(
+        if let Some(phpinfo_match) = preg_match(
             php_regex!("{Configure Command(?: *</td><td class=\"v\">| *=> *)(.*?)(?:</td>|$)}m"),
             &diagnostics.phpinfo_general,
-            0,
         ) {
             let configure = phpinfo_match.get(1).unwrap_or_default().to_string();
             let configure = configure.as_str();