{"id":18,"date":"2025-03-13T15:23:21","date_gmt":"2025-03-13T07:23:21","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/php\/18.html"},"modified":"2025-03-13T15:23:21","modified_gmt":"2025-03-13T07:23:21","slug":"%e8%8e%b7%e5%8f%96%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e7%ac%ac%e4%b8%80%e4%b8%aa%e5%85%83%e7%b4%a0%e5%80%bc","status":"publish","type":"my1js","link":"https:\/\/www.zhaozhao123.cn\/php\/my1js\/18.html","title":{"rendered":"\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c"},"content":{"rendered":"\n<p>\u5728 PHP \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5177\u4f53\u9009\u62e9\u53d6\u51b3\u4e8e\u6570\u7ec4\u7c7b\u578b\u548c\u662f\u5426\u9700\u8981\u4fdd\u7559\u539f\u6570\u7ec4\u7ed3\u6784\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u7528\u65b9\u6cd5\u53ca\u5176\u9002\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong><code>reset()<\/code> \u51fd\u6570<\/strong><\/h3>\n\n\n\n<p><code>reset()<\/code> \u4f1a\u8fd4\u56de\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c\uff0c\u5e76\u5c06\u5185\u90e8\u6307\u9488\u91cd\u7f6e\u5230\u6570\u7ec4\u5f00\u5934\u3002\u9002\u7528\u4e8e\u7d22\u5f15\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4\uff0c\u4e14\u4e0d\u4f1a\u5220\u9664\u5143\u7d20\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;'a' =&gt; 'Apple', 'b' =&gt; 'Banana'];\n$firstValue = reset($array); \/\/ \u8fd4\u56de 'Apple'<\/code><\/pre>\n\n\n\n<p><br>\u6b64\u65b9\u6cd5\u9ad8\u6548\u4e14\u901a\u7528\uff0c\u5c24\u5176\u9002\u5408\u5173\u8054\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u76f4\u63a5\u7d22\u5f15\u8bbf\u95ee\uff08\u4ec5\u9650\u7d22\u5f15\u6570\u7ec4\uff09<\/strong><\/h3>\n\n\n\n<p>\u82e5\u6570\u7ec4\u662f\u6570\u5b57\u7d22\u5f15\u4e14\u987a\u5e8f\u8fde\u7eed\uff0c\u53ef\u76f4\u63a5\u901a\u8fc7 <code>$array<\/code> \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;10, 20, 30];\n$firstValue = $array; \/\/ \u8fd4\u56de 10<\/code><\/pre>\n\n\n\n<p><br>\u4f46\u5bf9\u975e\u8fde\u7eed\u7d22\u5f15\u6216\u5173\u8054\u6570\u7ec4\u53ef\u80fd\u65e0\u6548\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong><code>array_values()<\/code> \u8f6c\u6362\u540e\u53d6\u7d22\u5f15<\/strong><\/h3>\n\n\n\n<p>\u901a\u8fc7 <code>array_values()<\/code> \u5c06\u6570\u7ec4\u91cd\u65b0\u7d22\u5f15\u4e3a\u6570\u5b57\uff0c\u518d\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u9002\u7528\u4e8e\u6240\u6709\u6570\u7ec4\u7c7b\u578b\uff0c\u4f46\u4f1a\u751f\u6210\u65b0\u6570\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;'x' =&gt; 'Xylophone', 'y' =&gt; 'Yak'];\n$firstValue = array_values($array); \/\/ \u8fd4\u56de 'Xylophone'<\/code><\/pre>\n\n\n\n<p><br>\u6b64\u65b9\u6cd5\u4fdd\u8bc1\u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u4f46\u9700\u6ce8\u610f\u6027\u80fd\u5f71\u54cd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong><code>current()<\/code> \u51fd\u6570\uff08\u9700\u786e\u4fdd\u6307\u9488\u5728\u5f00\u5934\uff09<\/strong><\/h3>\n\n\n\n<p><code>current()<\/code> \u8fd4\u56de\u5f53\u524d\u6307\u9488\u6307\u5411\u7684\u5143\u7d20\u3002\u82e5\u6307\u9488\u672a\u91cd\u7f6e\uff0c\u53ef\u80fd\u9700\u5148\u8c03\u7528 <code>reset()<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;'cat', 'dog', 'bird'];\nreset($array); \/\/ \u91cd\u7f6e\u6307\u9488\u5230\u5f00\u5934\n$firstValue = current($array); \/\/ \u8fd4\u56de 'cat'<\/code><\/pre>\n\n\n\n<p><br>\u9002\u7528\u4e8e\u9700\u8981\u4fdd\u7559\u6307\u9488\u4f4d\u7f6e\u540e\u7eed\u64cd\u4f5c\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong><code>array_shift()<\/code> \u51fd\u6570\uff08\u4f1a\u4fee\u6539\u539f\u6570\u7ec4\uff09<\/strong><\/h3>\n\n\n\n<p><code>array_shift()<\/code> \u8fd4\u56de\u7b2c\u4e00\u4e2a\u5143\u7d20\u5e76\u79fb\u9664\u5b83\uff0c\u9002\u7528\u4e8e\u9700\u8981\u540c\u65f6\u5220\u9664\u9996\u5143\u7d20\u7684\u573a\u666f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$array = &#91;100, 200, 300];\n$firstValue = array_shift($array); \/\/ \u8fd4\u56de 100\uff0c\u539f\u6570\u7ec4\u53d8\u4e3a &#91;200, 300]<\/code><\/pre>\n\n\n\n<p><br>\u9700\u8c28\u614e\u4f7f\u7528\uff0c\u907f\u514d\u610f\u5916\u4fee\u6539\u539f\u6570\u636e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong><em>\u603b\u7ed3\u5efa\u8bae<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u63a8\u8350 <code>reset()<\/code><\/strong>\uff1a\u901a\u7528\u6027\u5f3a\uff0c\u4e0d\u6539\u53d8\u539f\u6570\u7ec4\u7ed3\u6784\u3002<\/li>\n\n\n\n<li><strong>\u5173\u8054\u6570\u7ec4\u4f18\u5148<\/strong>\uff1a\u4f7f\u7528 <code>reset()<\/code> \u6216 <code>array_values()<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u907f\u514d\u526f\u4f5c\u7528<\/strong>\uff1a\u614e\u7528 <code>array_shift()<\/code> \u548c\u76f4\u63a5\u64cd\u4f5c\u6307\u9488\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u65b9\u6cd5\uff0c\u5e76\u6ce8\u610f\u6570\u7ec4\u7c7b\u578b\u548c\u64cd\u4f5c\u5bf9\u539f\u6570\u636e\u7684\u5f71\u54cd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 PHP \u4e2d\uff0c\u83b7\u53d6\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5177\u4f53\u9009\u62e9\u53d6\u51b3\u4e8e\u6570\u7ec4\u7c7b\u578b\u548c\u662f\u5426\u9700\u8981\u4fdd\u7559\u539f\u6570\u7ec4\u7ed3\u6784\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u7528\u65b9\u6cd5\u53ca\u5176\u9002\u7528\u573a\u666f\uff1a 1. reset() \u51fd\u6570 reset() \u4f1a\u8fd4\u56de\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c\uff0c\u5e76\u5c06\u5185\u90e8\u6307\u9488\u91cd\u7f6e\u5230\u6570\u7ec4\u5f00\u5934\u3002\u9002\u7528\u4e8e\u7d22\u5f15\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4\uff0c\u4e14\u4e0d\u4f1a\u5220\u9664\u5143\u7d20\u3002 \u6b64\u65b9\u6cd5\u9ad8\u6548\u4e14\u901a\u7528\uff0c\u5c24\u5176\u9002\u5408\u5173\u8054\u6570\u7ec4\u3002 2. \u76f4..<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false},"tags":[],"my1js2nav":[20],"tuisongtax":[],"class_list":["post-18","my1js","type-my1js","status-publish","hentry","my1js2nav-sz"],"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":"","qian_art_stzhong_source":{"label":"\u4e2d | \u77ed\u6807\u9898","type":"text","formatted_value":""}},"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js\/18","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=18"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tags?post=18"},{"taxonomy":"my1js2nav","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/my1js2nav?post=18"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/php\/wp-json\/wp\/v2\/tuisongtax?post=18"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}