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Disabled evaluation of strpos() with empty needle.

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This commit is contained in:
Dmitry Stogov 2017-07-05 13:42:55 +03:00
parent e8908946e5
commit 74a29468ef
1 changed files with 4 additions and 1 deletions
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5
ext/opcache/Optimizer/sccp.c
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@ -477,7 +477,10 @@ static inline int ct_eval_func_call(
return SUCCESS;
} else if (zend_string_equals_literal(name, "strpos")) {
const char *found;
if (num_args != 2 || Z_TYPE_P(args[0]) != IS_STRING || Z_TYPE_P(args[1]) != IS_STRING) {
if (num_args != 2
|| Z_TYPE_P(args[0]) != IS_STRING
|| Z_TYPE_P(args[1]) != IS_STRING
|| !Z_STRLEN_P(args[1])) {
return FAILURE;
}