{"id":1025,"date":"2019-08-27T11:28:45","date_gmt":"2019-08-27T03:28:45","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1025"},"modified":"2023-12-04T15:51:59","modified_gmt":"2023-12-04T07:51:59","slug":"php%e5%9f%ba%e7%a1%80-%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1025","title":{"rendered":"PHP\u57fa\u7840\u2014\u2014\u5b57\u7b26\u4e32"},"content":{"rendered":"

\u4e00\u3001\u5b57\u7b26\u4e32\u5b9a\u4e49\u8bed\u6cd5<\/h3>\n
    \n
  1. \u5355\u5f15\u53f7<\/li>\n
  2. \u53cc\u5f15\u53f7<\/li>\n<\/ol>\n

    \u5f15\u53f7\u65b9\u5f0f\uff1a\u6bd4\u8f83\u9002\u5408\u5b9a\u4e49\u90a3\u4e9b\u6bd4\u8f83\u77ed\u6216\u8005\u6ca1\u6709\u7ed3\u6784\u8981\u6c42\u7684\u5b57\u7b26\u4e32
    \n\u5982\u679c\u6709\u7ed3\u6784\u8981\u6c42\uff0c\u6216\u8005\u5185\u5bb9\u8d85\u8fc7\u4e00\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e0b\u4e24\u79cd\u7ed3\u6784\u5b9a\u4e49
    \n3. nowdoc\u5b57\u7b26\u4e32\uff1a\u6ca1\u6709\u5355\u5f15\u53f7\u7684\u5355\u5f15\u53f7\u5b57\u7b26\u4e32<\/p>\n

    $str = <<<'\u8fb9\u754c\u7b26'\n    \u5b57\u7b26\u4e32\u5185\u5bb9\n\u8fb9\u754c\u7b26\n<\/code><\/pre>\n
      \n
    1. heredoc\u5b57\u7b26\u4e32\uff1a\u6ca1\u6709\u53cc\u5f15\u53f7\u7684\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32<\/li>\n<\/ol>\n
      $str = <<<\u8fb9\u754c\u7b26\n    \u5b57\u7b26\u4e32\u5185\u5bb9\n\u8fb9\u754c\u7b26\n<\/code><\/pre>\n
      \"\"<\/p>\n
      \u4e8c\u3001\u5b57\u7b26\u4e32\u8f6c\u4e49<\/h3>\n
      \u5728\u8ba1\u7b97\u673a\u901a\u7528\u534f\u8bae\u4e2d\uff0c\u6709\u4e00\u4e9b\u7279\u5b9a\u7684\u65b9\u5f0f\u5b9a\u4e49\u7684\u5b57\uff0c\u7cfb\u7edf\u4f1a\u7279\u5b9a\u5904\u7406\uff1a\u901a\u5e38\u8fd9\u79cd\u65b9\u5f0f\u90fd\u662f\u4f7f\u7528\u53cd\u659c\u6760+\u5b57\u6bcd\uff08\u5355\u6b64\uff09\u7684\u7279\u6027<\/p>\n
      \\r\\n\uff1a\u56de\u8f66\u6362\u884c<\/p>\n
      PHP\u5728\u8bc6\u522b\u8f6c\u79fb\u5b57\u7b26\u4e32\u7684\u65f6\u5019\u4e5f\u662f\u4f7f\u7528\u540c\u6837\u7684\u6a21\u5f0f\uff1a\u53cd\u659c\u6760+\u5b57\u6bcd
      \n\u5728PHP\u4e2d\u7cfb\u7edf\u5e38\u7528\u7684\u8f6c\u79fb\u7b26\u53f7\uff1a
      \n\\’\uff1a\u5728\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\u663e\u793a\u5355\u5f15\u53f7
      \n\\”\uff1a\u5728\u53cc\u5f15\u53f7\u5b57\u7b26\u4e32\u4e2d\u663e\u793a\u53cc\u5f15\u53f7
      \n\\r\uff1a\u4ee3\u8868\u56de\u8f66\uff08\u7406\u8bba\u4e0a\u662f\u56de\u5230\u5f53\u524d\u884c\u7684\u9996\u4f4d\u7f6e\uff09
      \n\\n\uff1a\u4ee3\u8868\u65b0\u4e00\u884c
      \n\\t\uff1a\u7c7b\u4f3ctb\u952e\uff0c\u8f93\u51fa4\u4e2a\u7a7a\u683c
      \n\\$\uff1a\u5728PHP\u4e2d\u4f7f\u7528$\u4f5c\u4e3a\u53d8\u91cf\u7b26\u53f7\uff0c\u56e0\u6b64\u9700\u8981\u7279\u5b9a\u8bc6\u522b<\/p>\n
      \u4e09\u3001\u5b57\u7b26\u4e32\u957f\u5ea6<\/h3>\n
        \n
      1. \u57fa\u672c\u51fd\u6570strlen():\u5f97\u5230\u5b57\u7b26\u4e32\u7684\u957f\u5ea6(\u5b57\u8282\u4e3a\u5355\u4f4d)\u4e2d\u6587\u5728utf8\u5b57\u7b26\u96c6\u4e0b\u53603\u4e2a\u5b57\u8282
        \n\"\"<\/li>\n
      2. \u591a\u5b57\u8282\u5b57\u7b26\u4e32\u957f\u5ea6\u95ee\u9898\uff1a\u5305\u542b\u4e2d\u6587\u7684\u957f\u5ea6<\/li>\n
      3. \u591a\u5b57\u8282\u5b57\u7b26\u4e32\u6269\u5c55\u6a21\u5757\uff1ambstring\u6269\u5c55\uff08mb\uff1aMulti Bytes\uff09
        \n\u9996\u5148\u9700\u8981\u52a0\u8f7dPHP\u7684mbstring\u6269\u5c55\uff0cphp.ini
        \n\u53ef\u4ee5\u4f7f\u7528mb\u6269\u5c55\u5e26\u6765\u7684\u5f88\u591a\u51fd\u6570
        \n\"\"
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        \u56db\u3001\u5b57\u7b26\u4e32\u76f8\u5173\u51fd\u6570<\/h3>\n
          \n
        1. \u8f6c\u6362\u51fd\u6570: implode(),explode(),str_split()<\/li>\n
        2. \u622a\u53d6\u51fd\u6570: trim(),ltrim(),rtrim(),substr(),strstr()<\/li>\n
        3. \u5927\u5c0f\u5199\u8f6c\u6362\u51fd\u6570: strtolower(),strtoupper(),ucfirst()<\/li>\n
        4. \u67e5\u627e\u5b57\u7b26\u4e32: strpos(),strrpos()<\/li>\n
        5. \u66ff\u6362\u51fd\u6570: str_replace()<\/li>\n
        6. \u683c\u5f0f\u5316\u51fd\u6570: printf(),sprintf()<\/li>\n
        7. \u5176\u4ed6: str_repeat(),str_shuffle()<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
          \u4e00\u3001\u5b57\u7b26\u4e32\u5b9a\u4e49\u8bed\u6cd5 \u5355\u5f15\u53f7 \u53cc\u5f15\u53f7 \u5f15\u53f7\u65b9\u5f0f\uff1a\u6bd4\u8f83\u9002\u5408\u5b9a\u4e49\u90a3\u4e9b\u6bd4\u8f83\u77ed\u6216\u8005\u6ca1\u6709\u7ed3\u6784\u8981\u6c42\u7684\u5b57\u7b26\u4e32 \u5982\u679c\u6709\u7ed3\u6784\u8981\u6c42\uff0c […]<\/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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[405],"class_list":["post-1025","post","type-post","status-publish","format-standard","hentry","category-15","tag-php"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1025"}],"version-history":[{"count":3,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1025\/revisions"}],"predecessor-version":[{"id":1039,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1025\/revisions\/1039"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}