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Asked by Mark
at 2024-07-26 08:21:11
ModifyPoint:500 Replies:11 POST_ID:829120USER_ID:12016
Topic:
PHP Scripting Language;;
I want to know how I can upload an image to this server programatically. Here is an example of the image being uploaded:
---------------------------------------------------------------------------------Host: secure.z57.comUser-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflateReferer: http://secure.z57.com/mx/mcc/index.cfm?event=listings.updateListingCookie: NOTSHOWN=NOTSHOWNConnection: keep-aliveContent-Type: multipart/form-data; boundary=---------------------------319952555227349Content-Length: 5570-----------------------------319952555227349Content-Disposition: form-data; name="jsCallback"T-----------------------------319952555227349Content-Disposition: form-data; name="listItem"-----------------------------319952555227349Content-Disposition: form-data; name="IMAGE"-----------------------------319952555227349Content-Disposition: form-data; name="NEWFILE"; filename="logo.png"Content-Type: image/pngx89PNGx1a
IHDR A #x02 D©Ã°C x01sRGB ®ÃŽx1cé x04gAMA ±x8fvüax05 pHYs x0eà x0eÃx01Ço¨d x13vIDATXGÃWyTTgx96÷ÿ9Óg2µ¼WË[«x8aÃ`x14£Ã‘$x04QTvx94¥x80Z¨¢ª XEpITÚ=vDqx89[pCd3¨x88¢Q#"x04Dx8dx89âx92îx98¸ ²x15µÃ¯s_aÃ’3ééx9cîÿfæÌwn½zï~۽߽÷wï7Ãû¿¿Ã½¿x0eÿ3Úÿux1dÃœx1ex87Çëvz=@.¯Ã‡
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19x90©x13}ex16|þx96|}fýx86x0fäx9bÂÌr{áx96Ëx90x87)¹ ^ùÃÈÿJ0fx9e0ù×Ox86|x13Ç ¶cÆx80|PH3cx98x94
Ûx8d÷z¼Ã¿x01x99x91£Ã—©¾Ã« IEND®B`x82-----------------------------319952555227349Content-Disposition: form-data; name="imgTitle"-----------------------------319952555227349-- 1:2:3:4:5:6:7:8:9:10:11:12:13:14:15:16:17:18:19:20:21:22:23:24:25:26:27:28:29:30:31:32:33:34:35:36:37:38:39:40:41:42:43:44:45:46:47:48:49:50:
Author: Mark replied at 2024-07-26 11:17:42
I figured it out but thanks for everybody's help
Accepted Solution
Expert: duncanb7 replied at 2024-07-26 09:15:49
167 points EXCELLENT
Dear Ray,
I am not sure right not from the original post is and later on author mentionedd image/jpeg
Content-Type: image/png
So author will clarify it
Ray,Please advise kindly
Duncan
I am not sure right not from the original post is and later on author mentionedd image/jpeg
Content-Type: image/png
So author will clarify it
Ray,Please advise kindly
Duncan
Assisted Solution
Expert: Ray Paseur replied at 2024-07-26 09:12:02
166 points EXCELLENT
@duncanb7: From the original post: Content-Type: image/png
Assisted Solution
Expert: duncanb7 replied at 2024-07-26 09:06:32
167 points EXCELLENT
Image file format, it should be this
'header'=> "Content-type: image/jpeg"
. "Content-Length: " . strlen($content) . ""
. "Cookie: " . $cookies."", 'content' => $content
)
Duncan
'header'=> "Content-type: image/jpeg"
. "Content-Length: " . strlen($content) . ""
. "Cookie: " . $cookies."", 'content' => $content
)
Duncan
Expert: Ray Paseur replied at 2024-07-26 08:57:53
Is this close to what you want?
http://php.net/manual/en/function.stream-context-create.php#89080
http://php.net/manual/en/function.stream-context-create.php#89080
Author: Mark replied at 2024-07-26 08:53:54
I've been using file_get_contents for everything including POST and GET requests... I just want an example as the binary content of the image is tricky to me
Author: Mark replied at 2024-07-26 08:50:48
Ok, let me clarify. I need an answer like this but with the correct parameters to upload an image from say a file called image.jpeg stored locally.
$context_options = array (
'http' => array (
'method' => 'POST',
'header'=> "Content-type: application/x-www-form-urlencoded n"
. "Content-Length: " . strlen($content) . ""
. "Cookie: " . $cookies."",
'content' => $content
)
);
$context = stream_context_create($context_options);
echo file_get_contents($get, false, $context);
$context_options = array (
'http' => array (
'method' => 'POST',
'header'=> "Content-type: application/x-www-form-urlencoded n"
. "Content-Length: " . strlen($content) . ""
. "Cookie: " . $cookies."",
'content' => $content
)
);
$context = stream_context_create($context_options);
echo file_get_contents($get, false, $context);
Expert: Ray Paseur replied at 2024-07-26 08:49:52
Please see http://php.net/manual/en/function.file-get-contents.php
This function's not used to upload images. It's used to make a GET-method request for a file (or similar resource) and read the file into a PHP variable.
Can you please tell us a little more about the objective in plain business (non-technical) terms? If we can recognize the design pattern we can probably lead you to a solution.
This function's not used to upload images. It's used to make a GET-method request for a file (or similar resource) and read the file into a PHP variable.
Can you please tell us a little more about the objective in plain business (non-technical) terms? If we can recognize the design pattern we can probably lead you to a solution.
Expert: duncanb7 replied at 2024-07-26 08:47:07
it is a tutorial site for php upload file with POST at w3schools
http://www.w3schools.com/php/php_file_upload.asp
Review it and then continue the question
Duncan
http://www.w3schools.com/php/php_file_upload.asp
Review it and then continue the question
Duncan
Author: Mark replied at 2024-07-26 08:45:48
No, I just want an example of using file_get_contents with a multipart post .. Anotherwords, I need an example of uploading an image using file_get_contents. When I submit it via PHP, it should mimic the headers which I've posted above with exception of the image contents
Expert: Ray Paseur replied at 2024-07-26 08:43:29
Is your question how to do a file upload? PHP file_get_contents() is nowhere in that design. This teaching example shows the essential moving parts.
<?php // demo/upload_single_example.phperror_reporting(E_ALL);// MANUAL REFERENCE PAGES YOU MUST UNDERSTAND TO UPLOAD FILES// http://php.net/manual/en/reserved.variables.files.php// http://php.net/manual/en/features.file-upload.php// http://php.net/manual/en/features.file-upload.common-pitfalls.php// http://php.net/manual/en/function.move-uploaded-file.php// MANUAL PAGES THAT ARE IMPORTANT IF YOU ARE DEALING WITH LARGE FILES// http://php.net/manual/en/ini.core.php#ini.upload-max-filesize// http://php.net/manual/en/ini.core.php#ini.post-max-size// http://php.net/manual/en/info.configuration.php#ini.max-input-time// PHP 5.1+ SEE http://php.net/manual/en/function.date-default-timezone-set.phpdate_default_timezone_set('America/Chicago');// ESTABLISH THE BIGGEST FILE SIZE WE CAN ACCEPT - ABOUT 8 MB$max_file_size = '8000000';// ESTABLISH THE KINDS OF FILE EXTENSIONS WE WANT (USE UPPERCASE ONLY)$file_exts = array( 'XLS', 'XLSX', 'PDF', 'JPG');$f_exts = implode(', ', $file_exts);// ESTABLISH THE NAME OF THE DESTINATION FOLDER$my_dir = getcwd();// OR USE THIS TO PUT UPLOADS IN A SEPARATE FOLDER$my_dir = 'throwaway';if (!is_dir($my_dir)){ mkdir($my_dir);}// LIST OF THE ERRORS THAT MAY BE REPORTED IN $_FILES[]["error"] (THERE IS NO #5)$errors = array( 0 => "Success!", 1 => "The uploaded file exceeds the upload_max_filesize directive in php.ini", 2 => "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form", 3 => "The uploaded file was only partially uploaded", 4 => "No file was uploaded", 5 => "UNDEFINED ERROR", 6 => "Missing a temporary folder", 7 => "Cannot write file to disk");// IF THERE IS INFORMATION POSTEDif (!empty($_POST)){ // IF THERE ARE ERRORS $error_code = $_FILES["userfile"]["error"]; if ($error_code) { trigger_error($errors[$error_code], E_USER_ERROR); } // GET THE FILE SIZE $fsize = number_format($_FILES["userfile"]["size"]); // SYNTHESIZE THE NEW FILE NAME FOR TEMPORARY STORAGE $fname = basename($_FILES['userfile']['name']); // FAIL IF THIS IS NOT AN ALLOWABLE EXTENSION $f_ext = explode('.', $fname); $f_ext = end($f_ext); $f_ext = strtoupper(trim($f_ext)); if (!in_array($f_ext, $file_exts)) trigger_error("$f_ext NOT ALLOWED. CHOOSE FROM $f_exts", E_USER_ERROR); // THE SERVER PATH TO THE FILE $my_path = getcwd() . DIRECTORY_SEPARATOR . $my_dir . DIRECTORY_SEPARATOR . $fname ; // THE URL PATH TO THE FILE $my_url = $my_dir . DIRECTORY_SEPARATOR . $fname ; // MESSAGES ABOUT THE UPLOAD STATUS, IF ANY $msg = NULL; // IF THE FILE IS NEW (DOES NOT EXIST) if (!file_exists($my_path)) { // IF THE MOVE FUNCTION WORKED CORRECTLY if (move_uploaded_file($_FILES['userfile']['tmp_name'], $my_path)) { $upload_success = 1; } // IF THE MOVE FUNCTION FAILED IT PROBABLY THREW A MESSAGE else { $upload_success = -1; trigger_error("MOVE TO $my_path FAILED", E_USER_ERROR); } } // IF THE FILE ALREADY EXISTS else { $msg .= "<br/><b><i>$my_url</i></b> already exists" . PHP_EOL; // SHOULD WE OVERWRITE THE FILE? IF NOT if (empty($_POST["overwrite"])) { $upload_success = 0; } // IF WE SHOULD OVERWRITE THE FILE, TRY TO MAKE A BACKUP else { $now = date('Y-m-d-His'); $my_bak = $my_path . '.' . $now . '.bak'; if (!copy($my_path, $my_bak)) { $msg .= "<br/><strong>Attempted Backup Failed!</strong>" . PHP_EOL; } if (move_uploaded_file($_FILES['userfile']['tmp_name'], $my_path)) { $upload_success = 2; } else { $upload_success = -1; trigger_error("MOVE TO $my_path FAILED", E_USER_ERROR); } } } // PREPARE A REPORT OF THE SCRIPT'S SUCCESS OR FAILURE if ($upload_success == 2) { $msg .= "<br/>A backup was made and the file was overwritten" . PHP_EOL; } if ($upload_success == 1) { $msg .= "<br/><strong>$my_url</strong> has been saved" . PHP_EOL; } if ($upload_success == 0) { $msg .= "<br/><strong>It was NOT overwritten.</strong>" . PHP_EOL; } if ($upload_success < 0) { $msg .= "<br/><strong>ERROR: $my_url NOT SAVED - SEE WARNING FROM move_uploaded_file()</strong>" . PHP_EOL; } // ADD FILE SIZE AND PERMISSION INFORMATION if ($upload_success > 0) { $msg .= "<br/>$fsize bytes uploaded" . PHP_EOL; if (!chmod ($my_path, 0755)) { $msg .= "<br/>chmod(0755) FAILED: fileperms() = "; $msg .= substr(sprintf('%o', fileperms($my_path)), -4); } } // SHOW THE SUCCESS OR FAILURE echo $msg; // SHOW A LINK TO THE FILE echo '<br/>' . '<a href="' . $my_url . '" target="_blank">' . "See: $my_url" . '</a>' ;}// CREATE THE FORM FOR INPUT (USING HEREDOC SYNTAX)$form = <<<EOF<h2>Upload a File</h2><p><form enctype="multipart/form-data" method="post"><!-- SOME IMPORTANT THINGS TO NOTE ABOUT THIS FORM... ENCTYPE= ATTRIBUTE IN THE HTML <FORM> TAG MAX_FILE_SIZE HIDDEN CONTROL MUST PRECEDE THE FILE INPUT CONTROLS INPUT NAME= IN TYPE=FILE DETERMINES THE NAME YOU FIND IN _FILES ARRAY ABSENCE OF ACTION= ATTRIBUTE IN <FORM> TAG CAUSES POST TO SAME URL--><input type="hidden" name="MAX_FILE_SIZE" value="$max_file_size" />Find a file to Upload ($f_exts): <input name="userfile" type="file" /><br/>Check this box<input autocomplete="off" type="checkbox" name="overwrite" /> to <strong>overwrite</strong> existing files</br><input type="submit" value="Upload" /></form></p>EOF;echo $form; 1:2:3:4:5:6:7:8:9:10:11:12:13:14:15:16:17:18:19:20:21:22:23:24:25:26:27:28:29:30:31:32:33:34:35:36:37:38:39:40:41:42:43:44:45:46:47:48:49:50:51:52:53:54:55:56:57:58:59:60:61:62:63:64:65:66:67:68:69:70:71:72:73:74:75:76:77:78:79:80:81:82:83:84:85:86:87:88:89:90:91:92:93:94:95:96:97:98:99:100:101:102:103:104:105:106:107:108:109:110:111:112:113:114:115:116:117:118:119:120:121:122:123:124:125:126:127:128:129:130:131:132:133:134:135:136:137:138:139:140:141:142:143:144:145:146:147:148:149:150:151:152:153:154:155:156:157:158:159:160:161:162:163:164:165:166:167:168:169:170:171:172:173:174:175:176:177:178:179:180:181:182:183:184:185:186:187:188:189:190:191:192:193:194:195:196:197:198:
