Address deprecated PHP 8.4 session options to prevent test failures

Closes GH-18179.

Author: willvar

NEWS

@@ -15,6 +15,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-18145 (php8ts crashes in php_clear_stat_cache()).
     (Jakub Zelenka)
 
+- Tests:
+  . Address deprecated PHP 8.4 session options to prevent test failures.
+    (willvar)
+
 10 Apr 2025, PHP 8.4.6
 
 - BCMath:

build/Makefile.global

@@ -89,7 +89,7 @@ PHP_TEST_SHARED_EXTENSIONS =  ` \
 			. $$i; $(top_srcdir)/build/shtool echo -n -- " -d zend_extension=$(top_builddir)/modules/$$dlname"; \
 		done; \
 	fi`
-PHP_DEPRECATED_DIRECTIVES_REGEX = '^(magic_quotes_(gpc|runtime|sybase)?|(zend_)?extension(_debug)?(_ts)?)[\t\ ]*='
+PHP_DEPRECATED_DIRECTIVES_REGEX = '^(magic_quotes_(gpc|runtime|sybase)?|(zend_)?extension(_debug)?(_ts)?|session\.sid_(length|bits_per_character))[\t\ ]*='
 
 test: all
 	@if test ! -z "$(PHP_EXECUTABLE)" && test -x "$(PHP_EXECUTABLE)"; then \