Issue #3404084: add pcov and xdebug

- add binutils "nm" used in docker-php-ext-enable

php/8.3-ubuntu-apache/Dockerfile

@@ -122,7 +122,7 @@ RUN set -xe &&\
     cd / && rm -fr "$buildDir"
 
 # install pecl extensions for apcu, xdebug, and yaml
-RUN pecl install APCu-5.1.23 yaml-2.2.3 \
+RUN pecl install APCu-5.1.23 pcov-1.0.11 yaml-2.2.3 xdebug-3.3.2 \
     &&\
 # stript .debug files out of executables
     echo '\
@@ -176,6 +176,7 @@ RUN set -xe &&\
     " &&\
     runDeps=" \
         apache2 \
+        binutils \
         bzip2 \
         curl ca-certificates gnupg2 \
         default-mysql-client postgresql-client sudo git sqlite3 \

php/8.3-ubuntu-apache/docker-php-ext-enable

@@ -58,9 +58,12 @@ if [ -z "$modules" ]; then
 fi
 
 for module in $modules; do
-	if nm -g "$module" | grep -q ' zend_extension_entry$'; then
+	if nm -g "$module" 2>/dev/null | grep -q ' zend_extension_entry$'; then
 		# https://wiki.php.net/internals/extensions#loading_zend_extensions
 		line="zend_extension=$(readlink -f "$module")"
+	if nm -g "$module".debug 2>/dev/null | grep -q ' zend_extension_entry$'; then
+		# extension can have .debug files nearby
+		line="zend_extension=$(readlink -f "$module")"
 	else
 		line="extension=$module"
 	fi