{"id":905,"date":"2019-08-02T15:19:12","date_gmt":"2019-08-02T07:19:12","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=905"},"modified":"2023-12-04T16:46:42","modified_gmt":"2023-12-04T08:46:42","slug":"splphp%e6%a0%87%e5%87%86%e5%ba%93%e5%9b%9b%e7%a7%8d%e5%b8%b8%e7%94%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=905","title":{"rendered":"SPL(PHP\u6807\u51c6\u5e93)\u56db\u79cd\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784"},"content":{"rendered":"<h3>\u6570\u636e\u7ed3\u6784<\/h3>\n<ol>\n<li>\u53cc\u94fe\u8868<br \/>\n\u53cc\u94fe\u8868 (DLL) \u662f\u4e00\u4e2a\u94fe\u63a5\u5230\u4e24\u4e2a\u65b9\u5411\u7684\u8282\u70b9\u5217\u8868\u3002\u5f53\u5e95\u5c42\u7ed3\u6784\u662f DLL \u65f6, \u8fed\u4ee3\u5668\u7684\u64cd\u4f5c\u3001\u5bf9\u4e24\u7aef\u7684\u8bbf\u95ee\u3001\u8282\u70b9\u7684\u6dfb\u52a0\u6216\u5220\u9664\u90fd\u5177\u6709 O (1) \u7684\u5f00\u9500\u3002\u56e0\u6b64, \u5b83\u4e3a\u6808\u548c\u961f\u5217\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5408\u9002\u7684\u5b9e\u73b0\u3002<\/li>\n<\/ol>\n<ul>\n<li>SplDoublyLinkedList \u53cc\u5411\u94fe\u8868\n<ul>\n<li>SplStack \u6808<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code class=\"language-php line-numbers\">$stack = new SplStack();\n$stack-&gt;push(\"data1\\n\");\n$stack-&gt;push(\"data2\\n\");\necho $stack-&gt;pop();\necho $stack-&gt;pop();\n<\/code><\/pre>\n<ul>\n<li>SplQueue \u961f\u5217<\/li>\n<\/ul>\n<pre><code class=\"language-php line-numbers\">$queue = new SplQueue();\n$queue-&gt;enqueue(\"queue1\\n\");\n$queue-&gt;enqueue(\"queue2\\n\");\necho $queue-&gt;dequeue();\necho $queue-&gt;dequeue();\n<\/code><\/pre>\n<hr \/>\n<ol start=\"2\">\n<li>\u5806<br \/>\n\u5806\u662f\u9075\u5faa\u5806\u5c5e\u6027\u7684\u6811\u72b6\u7ed3\u6784: \u6bcf\u4e2a\u8282\u70b9\u90fd\u5927\u4e8e\u6216\u7b49\u4e8e\u5176\u5b50\u7ea7, \u4f7f\u7528\u5bf9\u5806\u5168\u5c40\u7684\u5df2\u5b9e\u73b0\u7684\u6bd4\u8f83\u65b9\u6cd5\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n<\/ol>\n<ul>\n<li>SplHeap \u5806\n<ul>\n<li>SplMaxHeap \u6700\u5927\u5806<\/li>\n<li>SplMinHeap \u6700\u5c0f\u5806<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<pre><code class=\"language-php line-numbers\">$heap = new SplMinHeap();\n$heap-&gt;insert(\"heap1\\n\");\n$heap-&gt;insert(\"heap2\\n\");\necho $heap-&gt;extract();\necho $heap-&gt;extract();\n<\/code><\/pre>\n<ul>\n<li>SplPriorityQueue \u4f18\u5148\u961f\u5217<\/li>\n<\/ul>\n<hr \/>\n<ol start=\"3\">\n<li>\u6570\u7ec4<br \/>\n\u6570\u7ec4\u662f\u4ee5\u8fde\u7eed\u65b9\u5f0f\u5b58\u50a8\u6570\u636e\u7684\u7ed3\u6784, \u53ef\u901a\u8fc7\u7d22\u5f15\u8fdb\u884c\u8bbf\u95ee\u3002\u4e0d\u8981\u5c06\u5b83\u4eec\u4e0e php \u6570\u7ec4\u6df7\u6dc6: php \u6570\u7ec4\u5b9e\u9645\u4e0a\u662f\u6309\u7167\u6709\u5e8f\u7684\u5217\u8868\u5b9e\u73b0\u7684\u3002<\/li>\n<\/ol>\n<p>&#8211; SplFixedArray \u6570\u7ec4<\/p>\n<pre><code class=\"language-php line-numbers\">$array = new SplFixedArray(10);\n$array[0] = 123;\n$array[9] = 1234;\nvar_dump($array);\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/oss.wyxxt.org.cn\/images\/2021\/09\/18\/dbdea66dada78c5a5000f87c317d9e14.png\" alt=\"\" \/><\/p>\n<ol start=\"4\">\n<li>\u6620\u5c04<br \/>\n\u6620\u5c04\u662f\u4e00\u4e2a\u6570\u636e\u62e5\u6709\u952e\u503c\u5bf9\u3002PHP \u6570\u7ec4\u53ef\u4ee5\u88ab\u770b\u4f5c\u662f\u4ece\u6574\u6570\/\u5b57\u7b26\u4e32\u5230\u503c\u7684\u6620\u5c04\u3002SPL \u63d0\u4f9b\u4e86\u4ece\u5bf9\u8c61\u5230\u6570\u636e\u7684\u6620\u5c04\u3002\u6b64\u6620\u5c04\u4e5f\u53ef\u7528\u4f5c\u5bf9\u8c61\u96c6\u3002<\/li>\n<\/ol>\n<p>&#8211; SplObjectStorage \u6620\u5c04<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u7ed3\u6784 \u53cc\u94fe\u8868 \u53cc\u94fe\u8868 (DLL) \u662f\u4e00\u4e2a\u94fe\u63a5\u5230\u4e24\u4e2a\u65b9\u5411\u7684\u8282\u70b9\u5217\u8868\u3002\u5f53\u5e95\u5c42\u7ed3\u6784\u662f DLL \u65f6, \u8fed\u4ee3\u5668\u7684\u64cd\u4f5c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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