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smart_str uses an over-allocated string to optimize for append operations. Functions that use smart_str tend to return the over-allocated string directly. This results in unnecessary memory usage, especially for small strings. The overhead can be up to 231 bytes for strings smaller than that, and 4095 for other strings. This can be avoided for strings smaller than `4096 - zend_string header size - 1` by reallocating the string. This change introduces `smart_str_trim_to_size()`, and calls it in `smart_str_extract()`. Functions that use `smart_str` are updated to use `smart_str_extract()`. Fixes GH-8896 |
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| .. | ||
| libmbfl | ||
| tests | ||
| ucgendat | ||
| common_codepoints.txt | ||
| config.m4 | ||
| config.w32 | ||
| CREDITS | ||
| gen_rare_cp_bitvec.php | ||
| mb_gpc.c | ||
| mb_gpc.h | ||
| mbstring.c | ||
| mbstring.h | ||
| mbstring.stub.php | ||
| mbstring_arginfo.h | ||
| php_mbregex.c | ||
| php_mbregex.h | ||
| php_onig_compat.h | ||
| php_unicode.c | ||
| php_unicode.h | ||
| rare_cp_bitvec.h | ||
| unicode_data.h | ||