{"id":1294,"date":"2025-11-04T16:09:30","date_gmt":"2025-11-04T08:09:30","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1294.html"},"modified":"2025-11-04T16:09:30","modified_gmt":"2025-11-04T08:09:30","slug":"php%e5%be%aa%e7%8e%af%e5%8f%98%e9%87%8f%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%bb%ba%e8%ae%ae","status":"publish","type":"my1js","link":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/1294.html","title":{"rendered":"PHP\u5faa\u73af\u53d8\u91cf\u6027\u80fd\u4f18\u5316\u5efa\u8bae"},"content":{"rendered":"

\u5728PHP\u4e2d\u5411\u7a7a\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u5e76\u4fdd\u6301\u8fde\u7eed\u6570\u5b57\u7d22\u5f15\uff08\u4ece0\u5f00\u59cb\uff09\u975e\u5e38\u7b80\u5355\uff0cPHP\u4f1a\u81ea\u52a8\u5904\u7406\u7d22\u5f15\u5206\u914d\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>

\u6838\u5fc3\u65b9\u6cd5\uff1a\u4f7f\u7528 []<\/code> \u8bed\u6cd5\uff08\u63a8\u8350\uff09<\/h3>
$array = []; \/\/ \u7a7a\u6570\u7ec4\n$array[] = 'Apple';   \/\/ \u81ea\u52a8\u5206\u914d\u7d22\u5f150\n$array[] = 'Banana';  \/\/ \u81ea\u52a8\u5206\u914d\u7d22\u5f151\n$array[] = 'Cherry';  \/\/ \u81ea\u52a8\u5206\u914d\u7d22\u5f152\n\n\/\/ \u7ed3\u679c\uff1a['Apple', 'Banana', 'Cherry']<\/code><\/pre>
\u5176\u4ed6\u7b49\u4ef7\u65b9\u6cd5\uff08\u4e0d\u63a8\u8350\uff09<\/h3>
\/\/ \u65b9\u6cd51\uff1aarray_push()\narray_push($array, 'Apple');  \/\/ \u7d22\u5f150\narray_push($array, 'Banana'); \/\/ \u7d22\u5f151\n\n\/\/ \u65b9\u6cd52\uff1a\u6307\u5b9a\u6570\u5b57\u7d22\u5f15\uff08\u5197\u4f59\u5199\u6cd5\uff09\n$array[0] = 'Apple';\n$array[1] = 'Banana';<\/code><\/pre>
\u5173\u952e\u7279\u6027\u8bf4\u660e\uff1a<\/h3>
    \n
  1. \u81ea\u52a8\u7d22\u5f15\u5206\u914d<\/strong>
    \u4f7f\u7528 $array[] = $value<\/code> \u8bed\u6cd5\u65f6\uff0cPHP\u4f1a\u81ea\u52a8\u5206\u914d\u4e0b\u4e00\u4e2a\u53ef\u7528\u6574\u6570\u7d22\u5f15\uff1a<\/li>\n<\/ol>
      \n
    • \u7a7a\u6570\u7ec4\u4ece\u7d22\u5f150\u5f00\u59cb<\/li>\n\n\n\n
    • \u540e\u7eed\u7d22\u5f15\u4f9d\u6b21\u9012\u589e\uff080,1,2,\u2026\uff09<\/li>\n<\/ul>
        \n
      1. \u7d22\u5f15\u8fde\u7eed\u6027\u4fdd\u8bc1<\/strong>
        \u53ea\u8981\u4e0d\u624b\u52a8\u6307\u5b9a\u975e\u8fde\u7eed\u7d22\u5f15\u6216\u5220\u9664\u4e2d\u95f4\u5143\u7d20\uff0c\u6570\u7ec4\u4f1a\u59cb\u7ec8\u4fdd\u6301\u8fde\u7eed\u7d22\u5f15\uff1a<\/li>\n<\/ol>
           $arr = [];\n   $arr[] = 'A'; \/\/ 0\n   $arr[] = 'B'; \/\/ 1\n   $arr[] = 'C'; \/\/ 2\n   \/\/ \u7ed3\u679c\uff1a['A','B','C'] \u7d22\u5f150\/1\/2<\/code><\/pre>
        \u7279\u6b8a\u60c5\u51b5\u5904\u7406\uff1a<\/h3>
        \u573a\u666f1\uff1a\u5220\u9664\u5143\u7d20\u540e\u7684\u7d22\u5f15\u5904\u7406<\/strong><\/p>
        $arr = ['A','B','C'];\nunset($arr[1]); \/\/ \u5220\u9664\u7d22\u5f151\n$arr[] = 'D';   \/\/ \u5206\u914d\u7d22\u5f153\uff08\u4e0d\u662f1\uff01\uff09\n\n\/\/ \u7ed3\u679c\uff1a['A', 2=>'C', 3=>'D'] \u7d22\u5f15\u4e0d\u8fde\u7eed<\/code><\/pre>
        \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u91cd\u5efa\u7d22\u5f15<\/p>
        $arr = array_values($arr); \/\/ \u91cd\u5efa\u4e3a\u8fde\u7eed\u7d22\u5f15 [0=>'A',1=>'C',2=>'D']<\/code><\/pre>
        \u573a\u666f2\uff1a\u6df7\u5408\u7d22\u5f15\u6570\u7ec4<\/strong><\/p>
        $arr = [];\n$arr['name'] = 'Apple'; \/\/ \u5b57\u7b26\u4e32\u7d22\u5f15\n$arr[] = 'Red';         \/\/ \u6570\u5b57\u7d22\u5f150\n\n\/\/ \u7ed3\u679c\uff1a['name'=>'Apple', 0=>'Red'] <\/code><\/pre>
        \u6027\u80fd\u4f18\u5316\u5efa\u8bae\uff1a<\/h3>
          \n
        1. \u59cb\u7ec8\u4f7f\u7528 $array[] = $value<\/code><\/strong>
          \u6bd4 array_push()<\/code> \u5feb\u7ea62\u500d\uff08\u907f\u514d\u51fd\u6570\u8c03\u7528\u5f00\u9500\uff09<\/li>\n<\/ol>
             \/\/ \u2705 \u63a8\u8350\n   $array[] = $value;\n\n   \/\/ \u274c \u907f\u514d\uff08\u6027\u80fd\u5dee\uff09\n   array_push($array, $value);<\/code><\/pre>
            \n
          1. \u8d85\u5927\u6570\u7ec4\u9884\u5206\u914d\uff0810\u4e07+\u5143\u7d20\uff09<\/strong>
            \u4f7f\u7528 array_fill()<\/code> \u9884\u5206\u914d\u5185\u5b58\u53ef\u63d0\u5347\u6027\u80fd\uff1a<\/li>\n<\/ol>
               \/\/ \u9884\u5206\u914d100,000\u4e2a\u5143\u7d20\uff08PHP 5.6+\uff09\n   $array = array_fill(0, 100000, null);\n\n   \/\/ \u586b\u5145\u6570\u636e\n   for ($i = 0; $i < 100000; $i++) {\n       $array[$i] = $i * 2;\n   }<\/code><\/pre>
            \u6700\u4f73\u5b9e\u8df5\u603b\u7ed3\uff1a<\/h3>
            \u64cd\u4f5c<\/th>\u63a8\u8350\u5199\u6cd5<\/th>\u662f\u5426\u4fdd\u6301\u8fde\u7eed\u7d22\u5f15<\/th><\/tr><\/thead>
            \u6dfb\u52a0\u5355\u4e2a\u5143\u7d20<\/td>$array[] = $value<\/code><\/td>\u2705<\/td><\/tr>
            \u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/td>\u5faa\u73af\u4f7f\u7528 []<\/code><\/td>\u2705<\/td><\/tr>
            \u5408\u5e76\u6570\u7ec4<\/td>$new = array_merge($arr1, $arr2)<\/code><\/td>\u2705<\/td><\/tr>
            \u91cd\u5efa\u7d22\u5f15<\/td>array_values($array)<\/code><\/td>\u2705<\/td><\/tr>
            \u5220\u9664\u5143\u7d20\u540e\u6dfb\u52a0<\/td>\u5148array_values()<\/code>\u518d\u6dfb\u52a0<\/td>\u2705<\/td><\/tr><\/tbody><\/table><\/figure>
            \n
            \u9ec4\u91d1\u6cd5\u5219<\/strong>\uff1a<\/p>\n\n\n\n
              \n
            1. \u7a7a\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u65f6\u6c38\u8fdc\u4f7f\u7528 []<\/code> \u8bed\u6cd5<\/strong><\/li>\n\n\n\n
            2. \u907f\u514d\u5728\u5faa\u73af\u4e2d\u6df7\u7528 unset()<\/code> \u548c []<\/code><\/li>\n\n\n\n
            3. \u4ec5\u5f53\u9700\u8981\u4fee\u590d\u7d22\u5f15\u65f6\u624d\u7528 array_values()<\/code><\/li>\n<\/ol>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"
              \u5728PHP\u4e2d\u5411\u7a7a\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u5e76\u4fdd\u6301\u8fde\u7eed\u6570\u5b57\u7d22\u5f15\uff08\u4ece0\u5f00\u59cb\uff09\u975e\u5e38\u7b80\u5355\uff0cPHP\u4f1a\u81ea\u52a8\u5904\u7406\u7d22\u5f15\u5206\u914d\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u65b9\u6cd5\u548c\u6700\u4f73\u5b9e\u8df5\uff1a \u6838\u5fc3\u65b9\u6cd5\uff1a\u4f7f\u7528 [] \u8bed\u6cd5\uff08\u63a8\u8350\uff09 \u5176\u4ed6\u7b49\u4ef7\u65b9\u6cd5\uff08\u4e0d\u63a8\u8350\uff09 \u5173\u952e\u7279\u6027\u8bf4\u660e\uff1a \u7279\u6b8a\u60c5\u51b5\u5904\u7406\uff1a \u573a\u666f1\uff1a\u5220\u9664\u5143\u7d20\u540e\u7684\u7d22\u5f15\u5904\u7406 \u89e3\u51b3\u65b9\u6848\uff1a\u91cd\u5efa\u7d22\u5f15 \u573a\u666f2\uff1a\u6df7\u5408\u7d22\u5f15\u6570\u7ec4 \u6027\u80fd\u4f18\u5316\u5efa\u8bae\uff1a \u6700\u4f73\u5b9e\u8df5\u603b\u7ed3\uff1a \u64cd\u4f5c..<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"tags":[],"my1js2nav":[38],"tuisongtax":[],"class_list":["post-1294","my1js","type-my1js","status-publish","hentry","my1js2nav-jcyy"],"acf":{"qian_art_seotitle":"","qian_art_seotitle_source":{"label":"SEO\u6807\u9898","type":"text","formatted_value":""},"qian_art_seokws":"","qian_art_seokws_source":{"label":"SEO\u5173\u952e\u8bcd","type":"text","formatted_value":""},"qian_art_stzhong":"PHP\u5faa\u73af\u53d8\u91cf\u6027\u80fd\u4f18\u5316\u5efa\u8bae","qian_art_stzhong_source":{"label":"\u4e2d | \u77ed\u6807\u9898","type":"text","formatted_value":"PHP\u5faa\u73af\u53d8\u91cf\u6027\u80fd\u4f18\u5316\u5efa\u8bae"}},"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js\/1294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js"}],"about":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/types\/my1js"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/media?parent=1294"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tags?post=1294"},{"taxonomy":"my1js2nav","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js2nav?post=1294"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tuisongtax?post=1294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}