*code, /* PHP code string */
*new_code, /* Code as result of substitution */
*match, /* Current match for a backref */
+ *esc_match, /* Quote-escaped match */
*walk; /* Used to walk the code string */
int code_len; /* Length of the code string */
int new_code_len; /* Length of the substituted code string */
int match_len; /* Length of the match */
+ int esc_match_len; /* Length of the quote-escaped match */
int result_len; /* Length of the result of the evaluation */
int backref; /* Current backref */
CLS_FETCH();
in instead of the backref */
match = subject + offsets[backref<<1];
match_len = offsets[(backref<<1)+1] - offsets[backref<<1];
+ esc_match = php_addslashes(match, match_len, &esc_match_len, 0);
sprintf(backref_buf, "\\%d", backref);
new_code = php_str_to_str(code, code_len,
backref_buf, (backref > 9) ? 3 : 2,
- match, match_len, &new_code_len);
+ esc_match, esc_match_len, &new_code_len);
/* Adjust the walk pointer */
walk = new_code + (walk - code) + match_len;
/* Clean up and reassign */
+ efree(esc_match);
efree(code);
code = new_code;
code_len = new_code_len;