{"id":684,"date":"2023-01-16T20:57:59","date_gmt":"2023-01-16T12:57:59","guid":{"rendered":"http:\/\/blog.nonot.cn\/?p=684"},"modified":"2024-07-08T12:45:21","modified_gmt":"2024-07-08T04:45:21","slug":"php-%e5%88%a4%e6%96%ad%e5%9b%be%e7%89%87%e6%98%af%e5%90%a6%e5%90%ab%e6%9c%89%e6%9c%a8%e9%a9%ac%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.nonot.cn\/index.php\/2023\/01\/16\/php-%e5%88%a4%e6%96%ad%e5%9b%be%e7%89%87%e6%98%af%e5%90%a6%e5%90%ab%e6%9c%89%e6%9c%a8%e9%a9%ac%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"php \u5224\u65ad\u56fe\u7247\u662f\u5426\u542b\u6709\u6728\u9a6c\u7684\u65b9\u6cd5"},"content":{"rendered":"

\u81ea\u5b9a\u4e49php\u56fe\u7247\u6728\u9a6c\u68c0\u6d4b\u51fd\u6570<\/p>\n

\/**
\n* # \u68c0\u6d4b\u56fe\u7247\u662f\u5426\u542b\u6709\u6728\u9a6c
\n* # feiniaomy.com
\n* @param string $image \u56fe\u7247\u5730\u5740
\n* @return bool
\n*\/
\nfunction check_illegal($image)
\n{
\nif (file_exists($image)) {
\n$resource = fopen($image, ‘rb’);
\n$fileSize = filesize($image);
\nfseek($resource, 0);
\nif ($fileSize > 512) { \/\/ \u53d6\u5934\u548c\u5c3e
\n$hexCode = bin2hex(fread($resource, 512));
\nfseek($resource, $fileSize – 512);
\n$hexCode .= bin2hex(fread($resource, 512));
\n} else { \/\/ \u53d6\u5168\u90e8
\n$hexCode = bin2hex(fread($resource, $fileSize));
\n}
\nfclose($resource);
\nif (preg_match(“\/(3c25)|(3c3f.*?706870)|(3C534352495054)|(2F5343524950543E)|(3C736372697074)|(2F7363726970743E)\/is”, $hexCode)) {
\nreturn ‘false’;
\n}
\n}
\nreturn ‘true’;
\n}<\/p>\n

\u51fd\u6570\u8c03\u7528\uff1a<\/p>\n

$image = check_illegal(‘mochu.jpg’);
\nif(!$image){
\necho ‘\u56fe\u7247\u6b63\u5e38’;
\n}else{
\necho ‘\u56fe\u7247\u4e0d\u5b89\u5168’;
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"

\u81ea\u5b9a\u4e49php\u56fe\u7247\u6728\u9a6c\u68c0\u6d4b\u51fd\u6570 \/** * # \u68c0\u6d4b\u56fe\u7247\u662f\u5426\u542b…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-684","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/comments?post=684"}],"version-history":[{"count":1,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/684\/revisions"}],"predecessor-version":[{"id":1136,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/684\/revisions\/1136"}],"wp:attachment":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media?parent=684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/categories?post=684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/tags?post=684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}