golden hour

/opt/cpanel/ea-php56/root/usr/include/php/ext/standard

File/Folder	Size	Actions
base64.h	1.57 KB
basic_functions.h	7.42 KB
crc32.h	4.78 KB
credits.h	1.7 KB
credits_ext.h	5.51 KB
credits_sapi.h	1.63 KB
crypt_blowfish.h	1.05 KB
crypt_freesec.h	662 B
css.h	1.21 KB
cyr_convert.h	1.24 KB
datetime.h	1.37 KB
dl.h	1.57 KB
exec.h	1.69 KB
file.h	4.63 KB
flock_compat.h	2.07 KB
fsock.h	1.57 KB
head.h	1.62 KB
html.h	2.71 KB
html_tables.h	471.57 KB
info.h	20.2 KB
md5.h	2.12 KB
microtime.h	1.33 KB
pack.h	1.25 KB
pageinfo.h	1.44 KB
php_array.h	4.62 KB
php_assert.h	1.4 KB
php_browscap.h	1.3 KB
php_crypt.h	1.63 KB
php_crypt_r.h	2 KB
php_dir.h	1.67 KB
php_dns.h	2.82 KB
php_ext_syslog.h	1.47 KB
php_filestat.h	3.28 KB
php_fopen_wrappers.h	1.92 KB
php_ftok.h	1.23 KB
php_http.h	1.76 KB
php_image.h	2.37 KB
php_incomplete_class.h	2.47 KB
php_iptc.h	1.24 KB
php_lcg.h	1.5 KB
php_link.h	1.34 KB
php_mail.h	1.37 KB
php_math.h	4.61 KB
php_metaphone.h	1.21 KB
php_password.h	1.58 KB
php_rand.h	2.56 KB
php_smart_str.h	6.57 KB
php_smart_str_public.h	1.29 KB
php_standard.h	2.21 KB
php_string.h	6.23 KB
php_type.h	1.58 KB
php_uuencode.h	1.46 KB
php_var.h	7.33 KB
php_versioning.h	1.37 KB
proc_open.h	1.81 KB
quot_print.h	1.51 KB
scanf.h	2.27 KB
sha1.h	1.71 KB
streamsfuncs.h	2.78 KB
uniqid.h	1.24 KB
url.h	2.28 KB
url_scanner_ex.h	2.09 KB

Edit: php_rand.h

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2016 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:           |
   | http://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>                             |
   |          Zeev Suraski <zeev@zend.com>                                |
   |          Pedro Melo <melo@ip.pt>                                     |
   |          Sterling Hughes <sterling@php.net>                          |
   |                                                                      |
   | Based on code from: Shawn Cokus <Cokus@math.washington.edu>          |
   +----------------------------------------------------------------------+
 */
/* $Id$ */

#ifndef PHP_RAND_H
#define	PHP_RAND_H

#include <stdlib.h>
#include "basic_functions.h"
#include "php_lcg.h"

/* System Rand functions */
#ifndef RAND_MAX
#define RAND_MAX (1<<15)
#endif

/* In ZTS mode we rely on rand_r() so we must use RAND_MAX. */
#if !defined(ZTS) && (defined(HAVE_LRAND48) || defined(HAVE_RANDOM))
#define PHP_RAND_MAX 2147483647
#else
#define PHP_RAND_MAX RAND_MAX
#endif

#define RAND_RANGE(__n, __min, __max, __tmax) \
    (__n) = (__min) + (long) ((double) ( (double) (__max) - (__min) + 1.0) * ((__n) / ((__tmax) + 1.0)))

/* MT Rand */
#define PHP_MT_RAND_MAX ((long) (0x7FFFFFFF)) /* (1<<31) - 1 */

#ifdef PHP_WIN32
#define GENERATE_SEED() (((long) (time(0) * GetCurrentProcessId())) ^ ((long) (1000000.0 * php_combined_lcg(TSRMLS_C))))
#else
#define GENERATE_SEED() (((long) (time(0) * getpid())) ^ ((long) (1000000.0 * php_combined_lcg(TSRMLS_C))))
#endif

PHPAPI void php_srand(long seed TSRMLS_DC);
PHPAPI long php_rand(TSRMLS_D);
PHPAPI void php_mt_srand(php_uint32 seed TSRMLS_DC);
PHPAPI php_uint32 php_mt_rand(TSRMLS_D);

#endif	/* PHP_RAND_H */