{"id":9815,"date":"2023-10-03T14:05:06","date_gmt":"2023-10-03T14:05:06","guid":{"rendered":"https:\/\/adelnasim.com\/docs\/courses\/cpp-tutorial\/variable-scope-local-vs-global\/"},"modified":"2024-04-07T01:19:19","modified_gmt":"2024-04-07T01:19:19","slug":"variable-scope-local-vs-global","status":"publish","type":"docs","link":"https:\/\/adelnasim.com\/ar\/docs\/courses\/cpp-tutorial\/variable-scope-local-vs-global\/","title":{"rendered":"\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 (\u0627\u0644\u0645\u062d\u0644\u064a \u0648\u0627\u0644\u0639\u0627\u0644\u0645\u064a)"},"content":{"rendered":"<p data-sourcepos=\"3:1-3:174\">\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0647\u0648 \u0645\u0641\u0647\u0648\u0645 \u0641\u064a \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u064a\u062d\u062f\u062f \u0627\u0644\u0645\u0643\u0627\u0646 \u0627\u0644\u0630\u064a \u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0645\u0646\u0647 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c. \u0647\u0646\u0627\u0643 \u0646\u0648\u0639\u0627\u0646 \u0645\u0646 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0641\u064a \u0644\u063a\u0629 C++: \u0645\u062d\u0644\u064a \u0648\u0639\u0627\u0644\u0645\u064a.<\/p>\n<ul data-sourcepos=\"5:1-7:0\">\n<li data-sourcepos=\"5:1-5:183\"><strong>\u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u0644\u064a\u0629 Local:<\/strong>\u00a0\u064a\u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u062f\u0627\u062e\u0644 \u062f\u0627\u0644\u0629 \u0623\u0648 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629. \u0648\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0627 \u0625\u0644\u0627 \u0645\u0646 \u062f\u0627\u062e\u0644 \u0627\u0644\u062f\u0627\u0644\u0629 \u0623\u0648 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646\u0647\u0627.<\/li>\n<li data-sourcepos=\"6:1-7:0\"><strong>\u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 Global:<\/strong>\u00a0\u064a\u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629 \u062e\u0627\u0631\u062c \u0623\u064a \u062f\u0627\u0644\u0629 \u0623\u0648 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629. \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0627 \u0645\u0646 \u0623\u064a \u0645\u0643\u0627\u0646 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c.<\/li>\n<\/ul>\n<p data-sourcepos=\"8:1-8:36\"><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062d\u0644\u064a:<\/strong><\/p>\n<div class=\"wp-block-codemirror-blocks code-block\">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">int main() {\r\n  int local_variable = 10;\r\n\r\n  \/\/ local_variable can only be accessed from within this function.\r\n  std::cout &lt;&lt; local_variable &lt;&lt; std::endl;\r\n\r\n  \/\/ This code will cause an error because local_variable is not accessible here.\r\n  std::cout &lt;&lt; global_variable &lt;&lt; std::endl;\r\n\r\n  return 0;\r\n}<\/pre>\n<\/div>\n<p data-sourcepos=\"24:1-24:37\"><strong>\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0639\u0627\u0644\u0645\u064a:<\/strong><\/p>\n<div class=\"wp-block-codemirror-blocks code-block\">\n<pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;htmlmixed&quot;,&quot;mime&quot;:&quot;text\/html&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;lineNumbers&quot;:false,&quot;lineWrapping&quot;:false,&quot;styleActiveLine&quot;:false,&quot;readOnly&quot;:true,&quot;align&quot;:&quot;&quot;}\">int global_variable = 20;\r\n\r\nint main() {\r\n  \/\/ global_variable can be accessed from anywhere in the program.\r\n  std::cout &lt;&lt; global_variable &lt;&lt; std::endl;\r\n\r\n  \/\/ This code is also valid.\r\n  int local_variable = global_variable;\r\n\r\n  return 0;\r\n}<\/pre>\n<\/div>\n<p data-sourcepos=\"40:1-40:178\">\u0645\u0646 \u0627\u0644\u0645\u0647\u0645 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0639\u0644\u0649 \u062f\u0631\u0627\u064a\u0629 \u0628\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0639\u0646\u062f \u0643\u062a\u0627\u0628\u0629 \u0643\u0648\u062f C++. \u0628\u062e\u0644\u0627\u0641 \u0630\u0644\u0643\u060c \u0642\u062f \u062a\u0635\u0644 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u0644\u062e\u0637\u0623 \u0625\u0644\u0649 \u0645\u062a\u063a\u064a\u0631 \u063a\u064a\u0631 \u0645\u062d\u062f\u062f \u0623\u0648 \u0644\u064a\u0633 \u0645\u0646 \u0627\u0644\u0645\u0641\u062a\u0631\u0636 \u0623\u0646 \u062a\u0635\u0644 \u0625\u0644\u064a\u0647.<\/p>\n<p data-sourcepos=\"42:1-42:54\">\u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0628\u0639\u0636 \u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0641\u064a C++:<\/p>\n<ul data-sourcepos=\"44:1-48:0\">\n<li data-sourcepos=\"44:1-44:89\">\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u0644\u064a\u0629 \u062d\u0633\u0628 \u0627\u0644\u0640Function \u0623\u0648 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646\u0647\u0627.<\/li>\n<li data-sourcepos=\"45:1-45:52\">\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0644\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0628\u0623\u0643\u0645\u0644\u0647.<\/li>\n<li data-sourcepos=\"46:1-46:85\">\u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0644\u0646\u0629 \u0641\u064a \u062f\u0627\u0644\u0629 Function \u0623\u0646 \u062a\u0638\u0644\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0644\u0646\u0629 \u0641\u064a \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0639\u0627\u0645.<\/li>\n<li data-sourcepos=\"47:1-48:0\">\u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0644\u0646\u0629 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0623\u0646 \u062a\u0638\u0644\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0644\u0646\u0629 \u0641\u064a \u0646\u0637\u0627\u0642 \u0627\u0644\u0648\u0638\u064a\u0641\u0629.<\/li>\n<\/ul>\n<p data-sourcepos=\"49:1-49:84\">\u0645\u0646 \u062e\u0644\u0627\u0644 \u0641\u0647\u0645 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u060c \u064a\u0645\u0643\u0646\u0643 \u0643\u062a\u0627\u0628\u0629 \u0643\u0648\u062f C++ \u0623\u0643\u062b\u0631 \u0643\u0641\u0627\u0621\u0629 \u0648\u0645\u0648\u062b\u0648\u0642\u064a\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>Variable scope is a concept in programming that determines where a variable can be accessed from in a program. There are two types of variable scope in C++: local and global. Local variables:\u00a0Local variables are declared within a function or block of code. They can only be accessed from within the function or block of [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":2744,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-9815","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/comments?post=9815"}],"version-history":[{"count":4,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9815\/revisions"}],"predecessor-version":[{"id":10557,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9815\/revisions\/10557"}],"up":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/2744"}],"wp:attachment":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/media?parent=9815"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/doc_tag?post=9815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}