{"id":3973,"date":"2020-07-22T13:32:42","date_gmt":"2020-07-22T05:32:42","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3973"},"modified":"2020-07-22T13:32:42","modified_gmt":"2020-07-22T05:32:42","slug":"file_exists-is_file","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3973","title":{"rendered":"[ PHP ] &#8211; file_exists() \u8207 is_file() \u5dee\u7570"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">file_exists() \u8207 is_file() \u9019\u5169\u500b\u51fd\u5f0f\u90fd\u662f\u53bb\u5224\u65b7\u6a94\u6848\u662f\u5426\u5b58\u5728\uff0c\u5b57\u9762\u4e0a\u770b\u4f86\u597d\u50cf\u662f\u901a\u7528\u7684\uff0c\u4f46\u5176\u5be6\u4ed6\u5011\u4e4b\u9593\u662f\u5b58\u5728\u5dee\u7570\u6027\u7684\uff1b\u8acb\u770b\u4ee5\u4e0b\u7a0b\u5f0f\u7bc4\u4f8b\u3002<\/p>\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">echo ' file_exists(\\'test.php\\') &lt;br>';\nif (file_exists('test.php')) { echo 'true &lt;br>'; } else { echo 'false'; }\necho ' file_exists(\\'..\/oop\/\\') &lt;br>';\nif (file_exists('..\/oop\/'))  { echo 'true &lt;br>'; } else { echo 'false'; }\necho ' is_file(\\'test.php\\') &lt;br>';\nif (is_file('test.php')) { echo 'true &lt;br>'; } else { echo 'false'; }\necho ' is_file(\\'..\/oop\/\\') &lt;br>';\nif (is_file('..\/oop\/'))  { echo 'true &lt;br>'; } else { echo 'false'; }\n\/\/\u986f\u793a\u7d50\u679c\n\/*\nfile_exists('test.php')\ntrue\nfile_exists('..\/oop\/')\ntrue\nis_file('test.php')\ntrue\nis_file('..\/oop\/')\nfalse\n*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>file_exists() \u8207 is_file() \u9019\u5169\u500b\u51fd\u5f0f\u90fd\u662f\u53bb\u5224\u65b7\u6a94\u6848\u662f\u5426\u5b58\u5728\uff0c\u5b57\u9762\u4e0a\u770b\u4f86\u597d\u50cf\u662f\u901a\u7528\u7684\uff0c\u4f46\u5176\u5be6\u4ed6\u5011\u4e4b\u9593\u662f\u5b58\u5728\u5dee\u7570\u6027\u7684\uff1b\u8acb\u770b\u4ee5\u4e0b\u7a0b\u5f0f\u7bc4\u4f8b\u3002<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[257,334,448,692,929,962],"class_list":["post-3973","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-file_exists","tag-is_file","tag-php","tag-692","tag-929","tag-962","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3973"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3973\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}