From 27e18d996abb0a410620b082bdf6e541bb00963b Mon Sep 17 00:00:00 2001
From: Daniel Kesselberg <mail@danielkesselberg.de>
Date: Wed, 26 Apr 2023 21:32:01 +0200
Subject: [PATCH] feat: add function cpu_cores

Returns the number of processors which are currently online

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>
---
 ext/standard/basic_functions.c                | 23 +++++++++++++++++++
 ext/standard/basic_functions.stub.php         |  2 ++
 ext/standard/basic_functions_arginfo.h        |  6 ++++-
 .../tests/general_functions/cpu_cores.phpt    | 16 +++++++++++++
 4 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 ext/standard/tests/general_functions/cpu_cores.phpt

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 1c84ddcc98947..45909612549c5 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -2624,3 +2624,26 @@ PHP_FUNCTION(sys_getloadavg)
 }
 /* }}} */
 #endif
+
+PHP_FUNCTION(cpu_cores)
+{
+	ZEND_PARSE_PARAMETERS_NONE();
+
+	#if defined(_SC_NPROCESSORS_ONLN)
+	int nprocs = sysconf(_SC_NPROCESSORS_ONLN);
+	if (nprocs > 0) {
+		RETURN_LONG(nprocs);
+	}
+	#endif
+
+
+	#if defined _WIN32 && ! defined __CYGWIN__
+	SYSTEM_INFO system_info;
+	GetSystemInfo (&system_info);
+	if (system_info.dwNumberOfProcessors > 0) {
+		RETURN_LONG(system_info.dwNumberOfProcessors);
+	}
+	#endif
+
+	RETURN_LONG(1);
+}
diff --git a/ext/standard/basic_functions.stub.php b/ext/standard/basic_functions.stub.php
index effb05ff9f982..979362ed9a75c 100755
--- a/ext/standard/basic_functions.stub.php
+++ b/ext/standard/basic_functions.stub.php
@@ -3749,3 +3749,5 @@ function sapi_windows_set_ctrl_handler(?callable $handler, bool $add = true): bo
 
 function sapi_windows_generate_ctrl_event(int $event, int $pid = 0): bool {}
 #endif
+
+function cpu_cores(): int {}
\ No newline at end of file
diff --git a/ext/standard/basic_functions_arginfo.h b/ext/standard/basic_functions_arginfo.h
index 5612ee21867e8..753c169e124a9 100644
--- a/ext/standard/basic_functions_arginfo.h
+++ b/ext/standard/basic_functions_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 9cc9c0954bd7032d363ce9a531be621274b9a7e2 */
+ * Stub hash: a41fb1350cc90e51451fe3db470b31701d0e9420 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_set_time_limit, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, seconds, IS_LONG, 0)
@@ -2197,6 +2197,8 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sapi_windows_generate_ctrl_event
 ZEND_END_ARG_INFO()
 #endif
 
+#define arginfo_cpu_cores arginfo_ob_get_level
+
 
 ZEND_FUNCTION(set_time_limit);
 ZEND_FUNCTION(header_register_callback);
@@ -2815,6 +2817,7 @@ ZEND_FUNCTION(sapi_windows_set_ctrl_handler);
 #if defined(PHP_WIN32)
 ZEND_FUNCTION(sapi_windows_generate_ctrl_event);
 #endif
+ZEND_FUNCTION(cpu_cores);
 
 
 static const zend_function_entry ext_functions[] = {
@@ -3463,6 +3466,7 @@ static const zend_function_entry ext_functions[] = {
 #if defined(PHP_WIN32)
 	ZEND_FE(sapi_windows_generate_ctrl_event, arginfo_sapi_windows_generate_ctrl_event)
 #endif
+	ZEND_FE(cpu_cores, arginfo_cpu_cores)
 	ZEND_FE_END
 };
 
diff --git a/ext/standard/tests/general_functions/cpu_cores.phpt b/ext/standard/tests/general_functions/cpu_cores.phpt
new file mode 100644
index 0000000000000..b42d08fff3a94
--- /dev/null
+++ b/ext/standard/tests/general_functions/cpu_cores.phpt
@@ -0,0 +1,16 @@
+--TEST--
+cpu_cores() tests
+--SKIPIF--
+<?php
+if (!function_exists("cpu_cores")) die("skip");
+?>
+--FILE--
+<?php
+
+var_dump(cpu_cores  ());
+
+echo "Done\n";
+?>
+--EXPECTF--
+int(%d)
+Done