{"id":100,"date":"2020-11-12T15:23:54","date_gmt":"2020-11-12T07:23:54","guid":{"rendered":"http:\/\/9iwd.top\/?p=100"},"modified":"2020-11-12T15:23:54","modified_gmt":"2020-11-12T07:23:54","slug":"no-26-%e6%95%b0%e7%bb%84%e7%9b%b8%e5%85%b3%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/9iwd.top\/?p=100","title":{"rendered":"No.26 \u6570\u7ec4\u76f8\u5173\u51fd\u6570"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\t#\u6570\u7ec4\u7684\u76f8\u5173\u51fd\u6570\n\/*\n1\uff09\u6392\u5e8f\u51fd\u6570\uff0c\u6bd4\u5982:\n\/\/sort()\uff1a\u987a\u5e8f\u6392\u5e8f(\u4e0b\u6807\u91cd\u6392)\n\/\/rsort()\uff1a\u9006\u5e8f\u6392\u5e8f\n\/\/\u6570\u7ec4\u6392\u5e8f sort *\/\n$arr = array(1,4,6,73,2,5);\nsort($arr);\nprint_r($arr);\n\n\/\/asort()\uff1a\u987a\u5e8f\u6392\u5e8f(\u4e0b\u6807\u4fdd\u7559)\n\/\/arsort()\uff1a\u9006\u5e8f\u6392\u5e8f\n\/\/\u6570\u7ec4\u6392\u5e8f asort\n$arr = array(1,4,6,73,2,5);\nasort($arr);\nprint_r($arr);\n\n\/\/ksort()\uff1a\u987a\u5e8f\u6392\u5e8f:\u6309\u952e\u540d(\u4e0b\u6807)\n\/\/krsort()\uff1a\u9006\u5e8f\u6392\u5e8f\n\/\/\u6570\u7ec4\u6392\u5e8f ksort\n$arr = array(1,12=>4,6,3=>73,2,5);\nksort($arr);\nprint_r($arr);\n\n\/\/shuffle()\uff1a\u968f\u673a\u6253\u4e71\u6570\u7ec4\u5143\u7d20,\u4e0b\u6807\u91cd\u6392\n$arr = array(1,12=>4,6,3=>73,2,5);\nshuffle($arr);\nprint_r($arr);\necho '&lt;hr\/>';\n\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n2\uff09\u6307\u9488\u51fd\u6570\uff0c\u6bd4\u5982: \ncurrent()\uff1a\u83b7\u53d6\u5f53\u524d\u6307\u9488\u5bf9\u5e94\u7684\u5143\u7d20\u503c\nkey()\uff1a\u83b7\u53d6\u5f53\u524d\u6307\u9488\u5bf9\u5e94\u7684\u4e0b\u6807\u503c *\/\n$arr = array(1,4,6,73,2,5);\n\/\/current \u548c key\necho current($arr).'--'.key($arr),'&lt;br\/>';\n\n\/\/next()\uff1a\u6307\u9488\u4e0b\u79fb\uff0c\u53d6\u5f97\u4e0b\u4e00\u4e2a\u5143\u7d20\u503c\n\/\/prev()\uff1a\u6307\u9488\u4e0a\u79fb\uff0c\u53d6\u5f97\u4e0a\u4e00\u4e2a\u5143\u7d20\u503c\n\/\/next \u548c prev\necho next($arr).'--'.next($arr),'&lt;br\/>';\necho prev($arr),'&lt;br\/>';\n\n\/\/reset()\uff1a\u91cd\u7f6e\u6307\u9488\uff0c\u5c06\u6570\u7ec4\u6307\u9488\u56de\u5230\u9996\u4f4d\n\/\/end()\uff1a\u91cd\u7f6e\u6307\u9488\uff0c\u5c06\u6570\u7ec4\u6307\u9488\u56de\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\n\/\/reset \u548c end\necho reset($arr),'&lt;br\/>';\necho end($arr),'&lt;br\/>';\n\/\/\u6ce8\u610f\u4e8b\u9879: next\u548cprex.\u4f1a\u79fb\u52a8\u6307\u9488\uff0c\u6709\u53ef\u80fd\u5bfc\u81f4\u6307\u9488\u79fb\u52a8\u5230\u6700\u524d\u6216\u8005\u6700\u540e\uff08\u79bb\u5f00\u6570\u7ec4)\uff0c\u5bfc\u81f4\u6570\u7ec4\u4e0d\u80fd\u4f7f\u7528\uff0c\u901a\u8fc7next\u548cprex,\u4e0d\u80fd\u56de\u5230\u771f\u786e\u7684\u6307\u9488\u4f4d\u7f6e\u3002\u53ea\u80fd\u901a\u8fc7end\u6216\u8005reset\u8fdb\u884c\u6307\u9488\u91cd\u7f6e\necho '&lt;hr\/>';\n\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n3\uff09\u5176\u4ed6\u51fd\u6570\uff0c\u6bd4\u5982: \ncount()\uff1a\u7edf\u8ba1\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\narray_push()\uff1a\u5f80\u6570\u7ec4\u4e2d\u52a0\u5165\u4e00\u4e2a\u5143\u7d20(\u6570\u7ec4\u540e\u9762)\narray_pop()\uff1a\u4ece\u6570\u7ec4\u4e2d\u53d6\u51fa\u4e00\u4e2a\u5143\u7d20(\u6570\u7ec4\u540e\u9762)\n\u6a21\u62df\u6570\u636e\u7ed3\u6784\uff1a\u6808\u548c\u961f\u5217\n\u524d\u9762\uff1aarray_shift\/array_unshift\n\u540e\u9762\uff1aarray_push\/array_pop\n\u538b\u6808 *\/\n$arr = array();\narray_push($arr,3);\narray_push($arr,2);\narray_push($arr,1);\n\/\/\u51fa\u6808\necho array_pop($arr),array_pop($arr),array_pop($arr),'&lt;br\/>';\n\n\/*\narray_shift()\uff1a\u4ece\u6570\u7ec4\u4e2d\u53d6\u51fa\u4e00\u4e2a\u5143\u7d20(\u6570\u7ec4\u524d\u9762)\narray_unshift()\uff1a\u4ece\u6570\u7ec4\u4e2d\u52a0\u5165\u4e00\u4e2a\u5143\u7d20(\u6570\u7ec4\u524d\u9762)\n\u961f\u5217\uff1a\u5148\u6392\u961f\uff0c\u5148\u51fa\u6765\uff0c\u4e00\u7aef\u8fdb\uff0c\u53e6\u5916\u4e00\u7aef\u51fa\n\u540e\u8fdb\u524d\u51fa\uff1aarray_push\/array_shift\n\u524d\u8fdb\u540e\u51fa\uff1aarray_unshift\/array_pop\n\u5165\u961f *\/\n$arr = array();\narray_push($arr,3);\narray_push($arr,2);\narray_push($arr,1);\nprint_r($arr);\n\n\/\/\u51fa\u961f\necho array_pop($arr),array_pop($arr),array_pop($arr),'&lt;br\/>';\n\n\/*\narray_reverse()\uff1a\u6570\u7ec4\u5143\u7d20\u53cd\u8f6c\nin_array()\uff1a\u5224\u65ad\u4e00\u4e2a\u5143\u7d20\u662f\u5426\u5728\u6570\u7ec4\u4e2d\u5b58\u5728,\u5b58\u5728\uff1atrue \u5426\u5219\uff1afalse *\/\n$arr = array(1,2,3,6,5,4);\nprint_r(array_reverse($arr));\n\nvar_dump(in_array(6,$arr));\nvar_dump(in_array(16,$arr));\n\n\/*\narray_keys()\uff1a\u83b7\u53d6\u4e00\u4e2a\u6570\u7ec4\u7684\u6240\u6709\u4e0b\u6807\uff0c\u8fd4\u56de\u4e00\u4e2a\u7d22\u5f15\u6570\u7ec4\narray_values()\uff1a\u83b7\u53d6\u4e00\u4e2a\u6570\u7ec4\u7684\u6240\u6709\u503c\uff0c\u8fd4\u56de\u4e00\u4e2a\u7d22\u5f15\u6570\u7ec4 *\/\nvar_dump(array_keys($arr));\nvar_dump(array_values($arr));\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/100"}],"collection":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}