{"id":2952,"date":"2025-03-18T23:42:55","date_gmt":"2025-03-18T15:42:55","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2952"},"modified":"2025-03-18T23:42:55","modified_gmt":"2025-03-18T15:42:55","slug":"php-echo-%e5%92%8c-print-%e8%af%ad%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/18\/php-echo-%e5%92%8c-print-%e8%af%ad%e5%8f%a5\/","title":{"rendered":"PHP echo \u548c print \u8bed\u53e5"},"content":{"rendered":"\n

\u5728 PHP \u4e2d\uff0cecho<\/code> \u548c print<\/code> \u8bed\u53e5\u90fd\u7528\u4e8e\u8f93\u51fa\u6587\u672c\u6216\u53d8\u91cf\u503c\u5230\u6d4f\u89c8\u5668\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\u3002<\/p>\n\n\n\n

\n\n\n\n

1. echo<\/code> \u8bed\u53e5<\/strong><\/h2>\n\n\n\n

\u7279\u70b9\uff1a<\/strong><\/h3>\n\n\n\n
    \n
  • echo<\/code> \u4e0d\u662f\u51fd\u6570<\/strong>\uff0c\u800c\u662f\u8bed\u8a00\u7ed3\u6784\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u62ec\u53f7\uff08\u4f46\u53ef\u4ee5\u52a0\u62ec\u53f7\uff09\u3002<\/li>\n\n\n\n
  • \u53ef\u4ee5\u8f93\u51fa\u591a\u4e2a\u53c2\u6570<\/strong>\uff08\u7528\u9017\u53f7\u5206\u9694\uff09\u3002<\/li>\n\n\n\n
  • \u6267\u884c\u901f\u5ea6\u6bd4 print<\/code> \u7565\u5feb<\/strong>\uff0c\u56e0\u4e3a echo<\/code> \u4e0d\u8fd4\u56de\u503c\u3002<\/li>\n<\/ul>\n\n\n\n

    \u793a\u4f8b<\/strong><\/h3>\n\n\n\n
    <?php\necho \"Hello, PHP!\"; \/\/ \u8f93\u51fa\u5b57\u7b26\u4e32\necho \"<br>\";\n\n$txt = \"Hello, World!\";\necho $txt, \" Welcome to PHP 5.\"; \/\/ \u591a\u4e2a\u53c2\u6570\u8f93\u51fa\n?><\/code><\/pre>\n\n\n\n
    \n\n\n\n
    2. print<\/code> \u8bed\u53e5<\/strong><\/h2>\n\n\n\n
    \u7279\u70b9\uff1a<\/strong><\/h3>\n\n\n\n
      \n
    • print<\/code> \u4e5f\u662f\u8bed\u8a00\u7ed3\u6784<\/strong>\uff0c\u4f46\u53ea\u80fd\u8f93\u51fa \u4e00\u4e2a\u53c2\u6570<\/strong>\u3002<\/li>\n\n\n\n
    • \u8fd4\u56de\u503c\u59cb\u7ec8\u662f 1<\/code><\/strong>\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u5728\u8868\u8fbe\u5f0f\u4e2d\uff08\u5982 if<\/code> \u8bed\u53e5\uff09\u3002<\/li>\n\n\n\n
    • \u6267\u884c\u901f\u5ea6\u6bd4 echo<\/code> \u7565\u6162<\/strong>\uff0c\u56e0\u4e3a\u5b83\u8fd4\u56de\u503c\u3002<\/li>\n<\/ul>\n\n\n\n
      \u793a\u4f8b<\/strong><\/h3>\n\n\n\n
      <?php\nprint \"Hello, PHP!\"; \/\/ \u8f93\u51fa\u5b57\u7b26\u4e32\nprint \"<br>\";\n\n$txt = \"Hello, World!\";\nprint $txt; \/\/ \u53ea\u80fd\u8f93\u51fa\u4e00\u4e2a\u53c2\u6570\n?><\/code><\/pre>\n\n\n\n
      \n\n\n\n
      3. echo<\/code> vs print<\/code><\/strong><\/h2>\n\n\n\n
      \u8bed\u53e5<\/th>\u662f\u5426\u80fd\u8f93\u51fa\u591a\u4e2a\u503c<\/th>\u662f\u5426\u8fd4\u56de\u503c<\/th>\u6267\u884c\u901f\u5ea6<\/th><\/tr><\/thead>
      echo<\/code><\/td>\u2705 \u53ef\u4ee5\uff08\u7528 ,<\/code> \u5206\u9694\uff09<\/td>\u274c \u4e0d\u8fd4\u56de\u503c<\/td>\ud83d\ude80 \u66f4\u5feb<\/td><\/tr>
      print<\/code><\/td>\u274c \u53ea\u80fd\u8f93\u51fa\u4e00\u4e2a<\/td>\u2705 \u8fd4\u56de 1<\/code><\/td>\ud83d\udc22 \u7a0d\u6162<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u793a\u4f8b\u5bf9\u6bd4<\/strong><\/h3>\n\n\n\n
      <?php\n\/\/ echo \u8f93\u51fa\u591a\u4e2a\u503c\necho \"Hello\", \", \", \"PHP!\"; \n\n\/\/ print \u53ea\u80fd\u8f93\u51fa\u4e00\u4e2a\u503c\nprint \"Hello, PHP!\"; \n?><\/code><\/pre>\n\n\n\n
      \n\n\n\n
      4. echo<\/code> \u548c print<\/code> \u4f55\u65f6\u4f7f\u7528\uff1f<\/strong><\/h2>\n\n\n\n
        \n
      • \u4e00\u822c\u63a8\u8350 echo<\/code><\/strong>\uff0c\u56e0\u4e3a\u5b83\u66f4\u5feb\uff0c\u5e76\u4e14\u53ef\u4ee5\u8f93\u51fa\u591a\u4e2a\u503c\u3002<\/li>\n\n\n\n
      • \u5982\u679c\u9700\u8981\u8fd4\u56de\u503c\uff08\u5982\u5728 if<\/code> \u8bed\u53e5\u4e2d\u5224\u65ad\uff09\uff0c\u4f7f\u7528 print<\/code><\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n
        \u793a\u4f8b\uff1a\u4f7f\u7528 print<\/code> \u5728\u6761\u4ef6\u8bed\u53e5\u4e2d<\/strong><\/h3>\n\n\n\n
        <?php\nif (print \"Hello, PHP!\") {\n    echo \" - This is true!\";\n}\n?><\/code><\/pre>\n\n\n\n
        \n\n\n\n
        \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
          \n
        • \u4f7f\u7528 echo<\/code> \u65f6<\/strong>\uff1a\u63a8\u8350\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u66f4\u5feb\uff0c\u5e76\u4e14\u80fd\u8f93\u51fa\u591a\u4e2a\u503c\u3002<\/li>\n\n\n\n
        • \u4f7f\u7528 print<\/code> \u65f6<\/strong>\uff1a\u5f53\u9700\u8981\u8fd4\u56de\u503c\uff08\u5982\u5728 if<\/code> \u8bed\u53e5\u4e2d\uff09\u65f6\u624d\u7528 print<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
          \u66f4\u591aphp\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5728 PHP \u4e2d\uff0cecho \u548c print \u8bed\u53e5\u90fd\u7528\u4e8e\u8f93\u51fa\u6587\u672c\u6216\u53d8\u91cf\u503c\u5230\u6d4f\u89c8\u5668\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\u3002 1.  […]<\/p>\n","protected":false},"author":1,"featured_media":2953,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-2952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2952"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2952\/revisions"}],"predecessor-version":[{"id":2954,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2952\/revisions\/2954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2953"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}