Do constant evaluation for str_contains in opcache

Both arguments must be strings.
str_contains deliberately does not emit a warning for an empty needle.

Closes GH-5324

diff --git a/ext/opcache/Optimizer/sccp.c b/ext/opcache/Optimizer/sccp.c
index f9eef41af91e3d8e85ab9dd737cdb32437dd9fb4..d5c27ca664c45edab09f10f29fd5577e81abc04b 100644 (file)
--- a/ext/opcache/Optimizer/sccp.c
+++ b/ext/opcache/Optimizer/sccp.c
@@ -954,6 +954,7 @@ static inline int ct_eval_func_call(
                        }
                        /* pass */
                } else if (zend_string_equals_literal(name, "strpos")
+                               || zend_string_equals_literal(name, "str_contains")
                                || zend_string_equals_literal(name, "version_compare")) {
                        if (Z_TYPE_P(args[0]) != IS_STRING
                                        || Z_TYPE_P(args[1]) != IS_STRING) {