{"id":680,"date":"2023-01-16T20:55:53","date_gmt":"2023-01-16T12:55:53","guid":{"rendered":"http:\/\/blog.nonot.cn\/?p=680"},"modified":"2024-07-08T12:45:21","modified_gmt":"2024-07-08T04:45:21","slug":"php-imagecreatefromjpeg%e7%94%a8%e6%b3%95%e5%8f%8a%e4%bb%a3%e7%a0%81%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/blog.nonot.cn\/index.php\/2023\/01\/16\/php-imagecreatefromjpeg%e7%94%a8%e6%b3%95%e5%8f%8a%e4%bb%a3%e7%a0%81%e7%a4%ba%e4%be%8b\/","title":{"rendered":"PHP imagecreatefromjpeg()\u7528\u6cd5\u53ca\u4ee3\u7801\u793a\u4f8b"},"content":{"rendered":"

imagecreatefromjpeg()\u51fd\u6570\u662fPHP\u4e2d\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u4eceJPEG\u6587\u4ef6\u6216URL\u521b\u5efa\u65b0\u56fe\u50cf\u3002\u8be5\u56fe\u50cf\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/p>\n

\u7528\u6cd5:<\/strong><\/p>\n

resource imagecreatefromjpeg<\/span>( string $filename )<\/p>\n

\u53c2\u6570\uff1a<\/strong>\u8be5\u51fd\u6570\u63a5\u53d7\u5355\u4e2a\u53c2\u6570$filename\uff0c\u8be5\u53c2\u6570\u4fdd\u5b58\u56fe\u50cf\u7684\u540d\u79f0\u3002\u8fd4\u56de\u503c\uff1a\u6210\u529f\u65f6\u6b64\u51fd\u6570\u8fd4\u56de\u56fe\u50cf\u8d44\u6e90\u6807\u8bc6\u7b26\uff0c\u9519\u8bef\u65f6\u8fd4\u56deFALSE\u3002<\/p>\n

\u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u4e86PHP\u4e2d\u7684imagecreatefromjpeg()\u51fd\u6570\uff1a<\/p>\n

\u8303\u4f8b1\uff1a<\/strong><\/p>\n

\n

<?php<\/span> \u00a0\u00a0\u00a0\u00a0 \/\/ Load an image from jpeg URL <\/span> $im = imagecreatefromjpeg<\/span>( ‘https:\/\/media.geeksforgeeks.org\/wp-content\/uploads\/20200123100652\/geeksforgeeks12.jpg’<\/span>); \u00a0\u00a0 \/\/ View the loaded image in browser <\/span> header(‘Content-type:image\/jpg’<\/span>);\u00a0\u00a0 imagejpeg($im); imagedestroy($im); ?><\/span><\/p>\n

\u8f93\u51fa\uff1a<\/strong>
\n\"0f955050a0d3e6fd5d4e9163856d4b9d\"<\/p>\n

\u8303\u4f8b2\uff1a<\/strong><\/p>\n

<?php<\/span> \u00a0\u00a0\u00a0\u00a0 \/\/ Load an image from jpeg URL <\/span> $im = imagecreatefromjpeg<\/span>( ‘https:\/\/media.geeksforgeeks.org\/wp-content\/uploads\/20200123100652\/geeksforgeeks12.jpg’<\/span>); \u00a0\u00a0 \/\/ Flip the image <\/span> imageflip($im, 1<\/span>); \u00a0\u00a0 \/\/ View the loaded image in browser <\/span> header(‘Content-type:image\/jpg’<\/span>);\u00a0\u00a0 imagejpeg($im); imagedestroy($im); ?><\/span><\/p>\n

\u8f93\u51fa\uff1a<\/strong>
\n\"356d254469af06cafe0bd2dfd1ca1e85\"<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

imagecreatefromjpeg()\u51fd\u6570\u662fPHP\u4e2d\u7684\u5185…<\/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-680","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/680","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=680"}],"version-history":[{"count":1,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/680\/revisions"}],"predecessor-version":[{"id":1137,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/posts\/680\/revisions\/1137"}],"wp:attachment":[{"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/media?parent=680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/categories?post=680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.nonot.cn\/index.php\/wp-json\/wp\/v2\/tags?post=680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}