golden hour

/opt/cpanel/ea-php83/root/usr/include/php/ext/standard

File/Folder	Size	Actions
base64.h	3.66 KB
basic_functions.h	4.58 KB
basic_functions_arginfo.h	156.21 KB
crc32.h	4.79 KB
crc32_x86.h	1.82 KB
credits.h	1.53 KB
credits_ext.h	5.4 KB
credits_sapi.h	835 B
crypt_blowfish.h	790 B
crypt_freesec.h	584 B
css.h	1.04 KB
datetime.h	1.14 KB
dir_arginfo.h	1.83 KB
dl.h	1.46 KB
dl_arginfo.h	269 B
exec.h	1.27 KB
file.h	4.1 KB
file_arginfo.h	8.41 KB
flock_compat.h	2.08 KB
fsock.h	1.22 KB
head.h	1.53 KB
html.h	2.36 KB
html_tables.h	472.26 KB
info.h	22.94 KB
md5.h	2.02 KB
pack.h	1.05 KB
pageinfo.h	1.15 KB
php_array.h	2.84 KB
php_assert.h	1.35 KB
php_browscap.h	1.11 KB
php_crypt.h	1.46 KB
php_crypt_r.h	1.64 KB
php_dir.h	1.21 KB
php_dns.h	3.57 KB
php_ext_syslog.h	1.17 KB
php_filestat.h	2.1 KB
php_fopen_wrappers.h	1.79 KB
php_http.h	1.32 KB
php_image.h	2.12 KB
php_incomplete_class.h	2.15 KB
php_lcg.h	35 B
php_mail.h	2.29 KB
php_math.h	3.72 KB
php_mt_rand.h	35 B
php_net.h	1.14 KB
php_password.h	2.76 KB
php_rand.h	35 B
php_random.h	34 B
php_smart_string.h	1.13 KB
php_smart_string_public.h	1.14 KB
php_standard.h	1.85 KB
php_string.h	4.38 KB
php_uuencode.h	1.18 KB
php_var.h	3.41 KB
php_versioning.h	1.18 KB
proc_open.h	1.89 KB
quot_print.h	1.23 KB
scanf.h	1.95 KB
sha1.h	1.62 KB
streamsfuncs.h	1.11 KB
url.h	2.08 KB
url_scanner_ex.h	2.32 KB
user_filters_arginfo.h	3.02 KB

Edit: php_string.h

/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
   |          Stig Sæther Bakken <ssb@php.net>                            |
   +----------------------------------------------------------------------+
*/

#ifndef PHP_STRING_H
#define PHP_STRING_H

# include "ext/random/php_random.h"

#ifdef ZTS
PHP_MINIT_FUNCTION(localeconv);
PHP_MSHUTDOWN_FUNCTION(localeconv);
#endif
#ifdef ZEND_INTRIN_SSE4_2_FUNC_PTR
PHP_MINIT_FUNCTION(string_intrin);
#endif

#define strnatcmp(a, b) \
	strnatcmp_ex(a, strlen(a), b, strlen(b), 0)
#define strnatcasecmp(a, b) \
	strnatcmp_ex(a, strlen(a), b, strlen(b), 1)
PHPAPI int strnatcmp_ex(char const *a, size_t a_len, char const *b, size_t b_len, bool is_case_insensitive);
PHPAPI struct lconv *localeconv_r(struct lconv *out);
PHPAPI char *php_strtoupper(char *s, size_t len);
PHPAPI char *php_strtolower(char *s, size_t len);
PHPAPI zend_string *php_string_toupper(zend_string *s);
PHPAPI zend_string *php_string_tolower(zend_string *s);
PHPAPI char *php_strtr(char *str, size_t len, const char *str_from, const char *str_to, size_t trlen);
PHPAPI zend_string *php_addslashes(zend_string *str);
PHPAPI void php_stripslashes(zend_string *str);
PHPAPI zend_string *php_addcslashes_str(const char *str, size_t len, const char *what, size_t what_len);
PHPAPI zend_string *php_addcslashes(zend_string *str, const char *what, size_t what_len);
PHPAPI void php_stripcslashes(zend_string *str);
PHPAPI zend_string *php_basename(const char *s, size_t len, const char *suffix, size_t sufflen);
PHPAPI size_t php_dirname(char *str, size_t len);
PHPAPI char *php_stristr(char *s, char *t, size_t s_len, size_t t_len);
PHPAPI zend_string *php_str_to_str(const char *haystack, size_t length, const char *needle,
		size_t needle_len, const char *str, size_t str_len);
PHPAPI zend_string *php_trim(zend_string *str, const char *what, size_t what_len, int mode);
PHPAPI size_t php_strip_tags(char *rbuf, size_t len, const char *allow, size_t allow_len);
PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, const char *allow, size_t allow_len, bool allow_tag_spaces);
PHPAPI void php_implode(const zend_string *delim, HashTable *arr, zval *return_value);
PHPAPI void php_explode(const zend_string *delim, zend_string *str, zval *return_value, zend_long limit);

PHPAPI size_t php_strspn(const char *s1, const char *s2, const char *s1_end, const char *s2_end);
PHPAPI size_t php_strcspn(const char *s1, const char *s2, const char *s1_end, const char *s2_end);

PHPAPI int string_natural_compare_function_ex(zval *result, zval *op1, zval *op2, bool case_insensitive);
PHPAPI int string_natural_compare_function(zval *result, zval *op1, zval *op2);
PHPAPI int string_natural_case_compare_function(zval *result, zval *op1, zval *op2);

PHPAPI bool php_binary_string_shuffle(const php_random_algo *algo, php_random_status *status, char *str, zend_long len);

#ifdef _REENTRANT
# ifdef PHP_WIN32
#  include <wchar.h>
# endif
# define php_mblen(ptr, len) ((int) mbrlen(ptr, len, &BG(mblen_state)))
# define php_mb_reset() memset(&BG(mblen_state), 0, sizeof(BG(mblen_state)))
#else
# define php_mblen(ptr, len) mblen(ptr, len)
# define php_mb_reset() php_ignore_value(mblen(NULL, 0))
#endif

#define PHP_STR_PAD_LEFT		0
#define PHP_STR_PAD_RIGHT		1
#define PHP_STR_PAD_BOTH		2
#define PHP_PATHINFO_DIRNAME 	1
#define PHP_PATHINFO_BASENAME 	2
#define PHP_PATHINFO_EXTENSION 	4
#define PHP_PATHINFO_FILENAME 	8
#define PHP_PATHINFO_ALL	(PHP_PATHINFO_DIRNAME | PHP_PATHINFO_BASENAME | PHP_PATHINFO_EXTENSION | PHP_PATHINFO_FILENAME)

#define PHP_STR_STRSPN			0
#define PHP_STR_STRCSPN			1

#endif /* PHP_STRING_H */