It is the same as the following statement, which might be better to understand: "If ob_get_level () returns a 'truthy' value (is not 0 but. get_the_title() and get_the_post_thumbnail(). So, until browsers begin to show buffered content. com Learn how to use the ob_get_clean () function to get the contents of an output buffer and delete it from the buffer. In core WooCommerce, the pagination is added via the woocommerce_pagination () function hooked to woocommerce_after_shop_loop, and the sorting and result counts are output by the woocommerce_result_count () and woocommerce_catalog_ordering () functions. คำอธิบายที่ดี ฉันจะไปอีกขั้นหนึ่งแล้วแทนที่ob_get_contents()ด้วยob_get_clean()และลบob_end_clean()เนื่องจากจะob_get_clean()ทำหน้าที่ทั้งสองอย่างเป็นหลัก การ. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. If you are using error_log(), use ob_get_contents() and ob_end_clean() instead of ob_get_clean(). Apart from the fact that this code is a total mess and that its syntax is incorrect because of the lack of semicolon at the end of ob_flush() call, the main problem is that the filenames you read from the templist. Why is ob_get_contents not working. Improve this answer. By understanding the syntax and usage of the function, you can easily start output buffering and modify your output before sending it to the client. Trong PHP vốn đã chạy nhanh nay còn có thêm cơ chế cache làm cho ngôn ngữ PHP ngày càng hoàn hảo. Share. Otherwise ob_clean () will not work. Cette fonction ne détruit pas le contenu du tampon de sortie comme peut le faire ob_end_clean () . The output buffer must be started by ob_start with PHP_OUTPUT_HANDLER_CLEANABLE and. 0, but it seems that the function is deprecated in 4. PHP ob_end_clean does not clear buffer. to wit: given: ob_start(); echo 'before'; ob_start(); echo 'second'; PHP マニュアル：ob_end_flush. The output may be caught by another output buffer or, if there are no other output buffers, sent directly to the browser. I'm facing a weird problem when using the Elementor Wordpress Page Builder. ob_end_clean() don't work as intended. For the OP's purposes, it's probably fine, but ob_get_clean() ends output buffering while ob_get_contents() and ob_clean() do not. You have to give the id to report. Si no, ob_clean () no funcionará. Something else is causing that. Otherwise. 0, PHP 5, PHP 7) ob_get_clean — Get current buffer contents and delete current output buffer Description ob_get_clean ( ) : string Gets the current buffer contents and delete current output buffer. The ob_get_flush () function outputs the contents of the topmost output buffer, returns the contents and the deletes the buffer. Improve this answer. No, this is not a correct use for ob_start(). it stops junk being returned. So the browser doesn't receive header correctly. The ob_get_contents () function has different return behaivor in PHP 5. txt file contain a new line - " " at the end, except for the data10. ob_end_clean(). you have to use the new aliases instead of using the PHP 7. 0. Send content immediately to the browser on every statement which produces output: <?php. The ob_clean () function deletes all of the contents of the topmost output buffer, preventing them from getting sent to the browser. 5. What you can do is to do an explicit ob_start() again in the beginning of the script so you get a second buffer as they can be nested. ob_clean (): bool. The ob_get_flush () function outputs the contents of the topmost output buffer, returns the contents and the deletes the buffer. The output buffer must be started by ob_start () with PHP_OUTPUT_HANDLER_CLEANABLE flag. This was a "teaching an old dog new tricks" mistake. It should really only give you the 1st one. Description ¶. Please I need an explanation on. Im novice so i dont understand what this doing. Cách dùng ob start , ob flush (), flush () Trong PHP vốn đã chạy nhanh nay còn có thêm cơ chế cache làm cho ngôn ngữ PHP ngày càng hoàn hảo. After creating a custom shortcode and inserting it into any page position, it also shows up at the top of the page, but only in Edit mode. PHP may be configured to automatically create an output buffer when the script begins, which is why the buffer level may be 1 without calling ob_start (). Share. See the syntax, return value, and examples of this function in PHP. The output may be caught by another output buffer or, if there are no other output buffers, sent directly to the browser. –I am assuming the data displays properly on the site itself and the browser shows your pages are UTF-8. If you want to further process the buffer's contents you have to call ob_get_contents () before ob_flush () as the buffer contents are discarded after ob_flush () is called. , ob_get_clean() would only return the contents of style. 0, 5, 7, 8) ob_get_clean 현재 버퍼 내용 및 삭제 출력 현재 버퍼 내용을 가져오고 기본적으로 출력 삭제 ob_get_clean () ob_get_flush. For example: buffer is empty; echo 'hello' - output buffer has "hello" stringIn this article, we will take an in-depth look at the ob_get_length() function and its usage. Conclusion. There is some things I dont get about end_clean, clean, get_clean, etc, and therefore, the answer is going to be different and nuanced from the other one. php some other way. 1,658 1 1 gold badge 16 16 silver badges 32 32 bronze badges. ob_end_clean() don't work as intended. ob_get_clean() essentially executes both ob_get_contents() and ob_end_clean(). This function does not destroy the output buffer like ob_end_clean () does. ob_get_clean () is a function that gets the current output buffer contents and deletes it. Unfortunately, my webhost doesn't have output_buffering. 5. Hi, we were using html_output() to get all the tags generated by the SEO Framework 4. it uses flush() and ob_flush() functions. ), let's assume that we are looping through a set of users (as setup_userdata() fills the global variables of the currently logged in user and isn't useful for this task) and try to display. php Project: jiatower/php. This includes information about PHP compilation options and extensions, the PHP version, server information and environment (if compiled as a module), the PHP environment, OS version information, paths, master and local values of configuration options, HTTP headers, and. Descripción ¶. I think I'll better send the output in an HTML file using the code you provided me. Viewed 2k times. Une des plus pratique est ob_get_contents qui permet de récupérer le contenu du tampon de sortie dans une. Specifically, would it benefit from patching a different value into the output_buffer_size (not the correct value name) in CodeIgniter (instead of 4K of data by default) -- and would it function if ob_get_length() was a larger value than 0 -- would that last bit of data never get sent (and die in an output_buffer)?Definition and Usage. Code Examples. ob_clean() This function removes what is stored in the output buffer. 语法：. I was trying to debug my code using error_log() and I discovered that ob_get_clean() also truncates the error_log() buffer right in the middle of its output, and well as the output buffer which it is supposed to truncate. 14. 6. There's a limit to how much there can be buffered which by default is 4KB so you are hitting the maximum with your script. Follow edited Nov 19, 2013 at 18:14. I need to re-populate mini-cart when product added via ajax add to cart. That will return the content rather than echo it directly and that you have to do in the case of a WordPress shortcode. header () cannot be used once any output has begun. I wrote these two simple (and hacky) scripts to demonstrate. mikerojas mikerojas. echo str_pad ("Hello World!", 4096); // Use flush () to send the string to the browser. Follow answered Feb 10, 2017 at 4:10. - To make peace with devel, we use drupal_set_header() to set the headers. answered Oct 2, 2012 at 2:12. Description ¶. In this circumstance, the view process echoes the content of site first anomalously before the response sends cookie, headers, and content. 0. Other functions are all working fine e. Asking for help, clarification, or responding to other answers. ob_get_contents() fetches whatever is inside the buffer. I almost looked around the internet on how to remove newlines in the strings and that's the common and fastest method to remove the newlines aside from using the slowly preg_replace(). Otherwise ob_get_clean () will not work. 既にob_start()で項で使用していましたが、ob_get_clean()は、ob_get_contents()とob_end_clean()と合体させたような便利な関数です。 1行でバッファと取得と既存のバッファの削除が同時に行える ため、汎用的に使用します。Even though it is a recommended practice in Wordpress to have functions that return values, it is not always possible, especially when you are calling another function that writes it's output directly to the stream. ob_flush (): bool. If multiple output callback functions are active, output is being filtered sequentially through each of them in nesting order. Try using output buffer like this : ob_start (); // your includes echo ob_get_clean (); Use this in all of your includes, and you will not get any errors. This function discards the contents of the output buffer. Starts the output buffer, any output placed after this will be captured and not displayed: ob_get_contents() Returns all content captured by ob_start() ob_end_clean() Empties the output buffer and turns it off for the current nesting level: ob_get_clean() Triggers both ob_get_contents() and ob_end_clean() ob_get_level() ob_flush — Flush (send) the output buffer. Tiện ích lọc dữ liệu: Bạn có thể sử dụng ob_start để lọc. if you don't call ob_start() again with the ob_gzhandler callback function, the output will not be compressed, but the header will say it is. 1) ob_flush (), flush () in any combination with other output buffering functions; 2) changes to php. ob_end_flush () Deletes the topmost output buffer and outputs its contents. There is a compatibility issue because the Output Buffering has been changed in PHP 8. (PHP 4 4. ob_get_clean essentially executes both ob_get_contents and. php: ob_end_flush() stops header() from working. If I remove the ob_end_clean(); the output is hi hi. PHP_OUTPUT_HANDLER_CLEAN when calling ob_clean(), ob_end_clean() and ob_get_clean() PHP_OUTPUT_HANDLER_WRITE automaticflush; Phases start, final and flush (resp. I've got a problem when looping using foreach() loop and inside of this loop using ob_start() and ob_get_clean(). Take a look at very simple example for PHP 5. ini settings to reflect that. The reason I'm not voting for ob_get_clean is because I've had times when other developers get confused regarding what is really going on, the function name doesn't really state that the output buffering will end after it's call. I was trying to debug my code using error_log() and I discovered that ob_get_clean() also truncates the error_log() buffer right in the middle of its output, and well as the output buffer which it is supposed to truncate. In this case, since the 2 statements follow each other, you're not intercepting anything at all. My issue now is that the PHP scripts I'm trying to capture output from need variables passed to them using HTTP Get. As soon as you call this function all output will be stored in an internal buffer and nothing will be sent to the browser until the script. You have to differentiate two things: Do you want to capture the output (echo, print,. The PHP ob_get_clean() function returns the contents of the current output buffer and then deletes this output buffer. While output buffering is active no output is sent from the script (other than headers), instead the output is stored in an internal buffer. Actually, we can use type regulation - intval (ob_get_contents ()), for cheking On/Off output buffering, but it lays the possible problems in the future. Let's say i have a file consisting of 5 lines of text and every line has 50 chars. That's related to how the. The ob_start () function is a useful tool for buffering your output in your PHP web application. No examples exist of running ob_get_clean within a while loop, and for my purpose there is no alternative. Right now all the stuff that gets included in wp_head are left justified all the way in the code view. engine. –W3Schools offers free online tutorials, references and exercises in all the major languages of the web. También se usa para obtener el búfer de salida nuevamente después de limpiar el búfer. The string includes specials tags like the following as well as normal text + images. When I opened the file in notepad, I could see it was just the raw html. ob_get_contents — Return the contents of the output buffer. By understanding the syntax and usage of the function, you can easily clear the output buffer to start fresh. Definition and Usage. x and PHP 5. Viewed 2k times. Remember you need to clean the output buffer (ob_end_clean();) before the end of the file, or the page content could be outputted twice. 5. ob_get_status() returns status information on either the top level output buffer or all active output buffer levels if full_status is set to true. g. 2) $bild="images/newimage2. I pass the. It can be distinguish using binary operator &:If you use ob_get_clean(), you delete output buffer after first call. ob_start () use. This is fine in contexts where you're outputting stuff directly, but sometimes you want to use that workflow, but capture the output instead of sending it to the browser. . Its output is rendered to the buffer. ob_get_clean() Returns the current buffer contents, then cleans it out. So this leads me to think that the notices are. In order to accomplish that, I created a class that, among other things, creates an image. However, it is possible that you have output buffering enabled for all files through the output_buffering ini parameter (see the manual ). Connect and share knowledge within a single location that is structured and easy to search. Function. ob_clean() - Xóa tất cả nội dung của bộ đệm đầu ra trên cùng. I must say i discovered that the problem is something between the two scripts (server_status and ranking) and not with ranking. ob_get_clean() gets the buffer content, cleans the buffer and ends the buffering. If you want to use it for a larger buffer you have to edit your php. In theory when I call _insert() function in test. Seems like ob_get_contents(); is not working because the code appears at the beginning of the page which means its being executed as the variable is being declared. I manage to update cart quantity with filter woocommerce_add_to_cart_fragments like this:Get LearnDash template and pass data to be used in template includes/class-ld-cpt-instance. Conclusion. 0, PHP 5, PHP 7) ob_clean — Clean (erase) the output buffer Description ob_clean ( ) : void This function discards the contents of the output buffer. Description ¶. 2 with no alternative. Thanks Anyway! :) php; while-loop; Share. If i remove line with ob_get_clean () ab_id_transakce have correct variable from form input. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Make sure you customize your style as per your theme. If you want to further process the buffer's contents you have to call ob_get_contents () before ob_end_clean () as the buffer contents are discarded when ob_end_clean () is called. – r3wt. Obtiene el contenido del búfer actual y elimina el búfer de salida actual. d4rkpr1nc3. When output buffer is ended it is sent to the client (browser). David Barker David Barker. php: SFWD_CPT_Instance::template_content () Generate output for courses, lessons, topics, quizzes Filter callback for ‘the_content’ (wp core filter)In this article, we will take an in-depth look at the ob_get_level() function and its usage. You are entirely right kijin, I edited a bit before your comment. Share. header is not cleared after executing ob_get_clean. Neither discarding the buffer's contents (ob_clean() ob_end_clean(), ob_get_clean()) nor retrieving the current buffer contents (ob_get_contents(), ob_get_clean()) invoke the output callback. If your JavaScript needs something from the server in order to know to redirect or not, do so via an Ajax request. Of course, I was overlooking the fact that the only reason to use the callback on ob_start() was because I wanted to run Obfuscate() on the content before it was flushed, but if I'm getting that content back I don't need to run a callback! So, not using a callback and just running ob_get_clean()'s results through Obfuscate() does what I wanted. 1 Answer. Yes, it's wordpress, but I need to do my task exactly manually, not with plugins, and I want to learn that library, it seems to be a good thing. php file and you should start seeing Login / Login on your main header. While this is convenient in some situations for generating documents on-the-fly it also exposes a. May 23, 2015 at 9:20. Is it po. ob_flush ( void ) : void. You can rate examples to help us improve the quality of examples. 168. Since `ob_get_clean()` accumulates the entire output in memory, dealing with large amounts of data might affect performance and memory usage. Turning on output buffering alone decreases the amount of time it takes to download and render our HTML because it's not being sent to the browser in pieces as PHP processes. By understanding the syntax and usage of the function, you can easily start output buffering and modify your output before sending it to the client. ob_get_clean(); Technical Details. g. Descrição ¶. Keep in mind that output may be buffered by default, depending on how you are running PHP (CGI, CLI, etc. ) of the included file and use the output in a variable (string)?Do you want to return certain values from the included files and use them as a variable in your host script?; Local variables in your included files will always be moved to the current scope of your host script - this. Oct 30, 2010 at 20:39. It may be due to something in the include file. It is based on FPDF and HTML2FPDF, with a number of. If i remove line with ob_get_clean () ab_id_transakce have correct variable from form input. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteob_clean (): bool. Note: This function is similar to ob_end_flush (), except that this function also returns the. This function will turn output buffering on. 0, UTF-8 is the default. ob_get_flush () flushes the output buffer, return it as a string and turns off output buffering. and turn off output buffering using the ob_end_clean() function. ob_srtart begins output buffering. I actually wrote the function with with ob_get_clean(), however I switched it to ob_get_flush() as the later worked more reliably, i. Ada dua fungsi lain yang biasanya Anda pasangkan dengan ob_get_contents():, yang pada dasarnya memberi Anda apa pun yang telah "disimpan" ke buffer sejak dinyalakan ob_start(), dan kemudian ob_end_clean()atau ob_flush(), yang menghentikan penyimpanan dan membuang apa pun yang disimpan, atau berhenti menyimpan dan. 1. You would call this function last in the output buffering process because if you need to get or send the content stored in the output buffer, calling ob_clean() would clean the contents of the output buffer and there won't be any content to receive or send. Description ¶. もしダウンロード処理までに出力バッファがあった場合、 ob_end_flush () を使うと、そのバッファの中身が出力されます。. PHP IN DOMPDF how include ? #1924. Output buffering works by intercepting all output; anything in between ob_start() and ob_end_clear() is intercepted; any output that precedes ob_start() is not. This means that the output buffer is initiated and stopped with ob_end_clean(). 5. Just wanted to get this out there in case anyone needed it. i was using ob_start but it is a banned function for me. g in your shortcode handler. The call to ob_get_clean will return the contents of your buffered output. Descripción ¶. Flags can be used to permit or restrict what the buffer is able to do. This function discards the contents of the topmost output buffer and turns off this output buffering. ob_get_contents does not clear the buffer so when a script ends it is flushed to the output as usual. thanks I appreciate it more than you know. you have to use the new aliases instead of using the PHP 7. ob_get_clean () essentially executes both ob_get_contents () and ob_end_clean () . 22. The output buffer must be. ob_get_clean, only works twice. the *_clean variants just empty the buffer, whereas *_flush functions print what is in the buffer (send the contents to the output buffer). ob_start(); // This is NECESSARY for the next ob_get_clean () to work as intended. fdehanne fdehanne. Flushes the system write buffers of PHP and whatever backend PHP is using (CGI, a web server, etc). Hi, we were using html_output() to get all the tags generated by the SEO Framework 4. When the. Using the ob_get_length() function is straightforward. Hi, i am using 0. Output buffers are stackable, that is, you may call ob_start () while another ob_start () is active. This attempts to push current output all the way to the browser with a few caveats. If you want to integrate a new plugin to sell courses and include the selection option in Tutor LMS > Settings > Monetization, then you can use the tutor_monetization_options filter. Find centralized, trusted content and collaborate around the technologies you use most. When I run in terminal php artisan migrate this results in 'Nothing to migrate' when indeed there is nothing to migrate. This function does not destroy the output buffer like ob_end. 3. The string(18) part could be explained if the function prints lots of white space (spaces, tabs or even carriage returns) and you inspect var_dump()'s output through a web browser (so it renders as HTML and spaces are collapsed). ob_flush (): bool. ob_get_clean () remove value of input. What is the benefit of passing a callback to ob_start compared to just processing the result of ob_get_clean()? 0. Kakou347 opened this issue on Apr 27, 2019 · 1 comment. 100MB Currently I use the following way to capture the output and write to another file ob_start();Sorry to resurrect a 4 year old post, but I stumbled across it and wanted to point out that ob_get_contents() followed by ob_clean() is not exactly the same as ob_get_clean(). Connect and share knowledge within a single location that is structured and easy to search. 4. GWW GWW. How to Use the ob_get_length() Function. x. $image_data = ob_get_contents(); ob_end_clean(); echo $image_data; unlink($nameimage); Client (192. It seems like MAMP is not performing the function 'ob_get_clean()' correctly. I also want to be able to show the user the XML before hand. Share. Two problems. Documentation for ob_get_clean() Share. i dont know how you can get the gd2 resource into an object you can pass to Response::make. The browser should then only get gz-encoded data as it was the output buffer at the topmost level. When placing a shortcode on a custom WordPress page the output is always displayed at the top of my page content. First, you can't call a PHP page like that using include_once - the query string will be ignored. Am on a shared server. Enabling output buffering decreases the download time it takes and renders the HTML in the browser. For this reason, in previous versions, you were able to echo some content into the HTML. But it looks like the DOMPDF library doesn't work whit big pages. Use of ob_start() and ob_get_clean() 0. The W3Schools online code editor allows you to edit code and view the result in your browser1 Answer. 'options' => apply_filters('tutor_monetization_options', array( //add new monetization options here 'free' => __('Disable Monetization', 'tutor'), )), return apply. – Raj. ob_start () use. Output can come from any of the following sources:. This is referred to as output control. it will work as you would use ob_start with no. If you are using error_log(), use ob_get_contents() and ob_end_clean() instead of ob_get_clean(). Sintaxis: string|false ob_get_clean(); There is a compatibility issue because the Output Buffering has been changed in PHP 8. The ob_start () function creates an output buffer. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. For example: use function OutputControl\ob_start; use function OutputControl\ob_end_flush; use function OutputControl\ob_get_clean; ob_start (); echo "Hello, world. We would like to show you a description here but the site won’t allow us. Share. The output may be caught by another output buffer, or, if there are no other output buffers, sent directly to the browser. e. ob_get_clean(): Three Birds, One Stone. Tôi nhắc đến cơ chế cache vì các hàm ob_start (), ob_get_contents (), ob_clean (), ob_end_flush () sẽ hỗ trợ chúng ta trong quá trình thực hiện cơ chế. answered Oct 8. The function will be called when the output buffer is flushed (sent) or cleaned (with ob_flush (), ob_clean () or similar function) or when the output buffer is flushed to. My main template file which would have the page layout (header, body, sidebar, footer) is included into the page. ob_get_clean — Get current buffer contents and delete current output buffer. My searches on SO brought me solutions like@GentlemanMax Yes, regarding both. 详细描述：. return <<<EOT <html> EOT; But I want to split the file into different php files t. function test_shortcodes () { return 'Shortcodes are working!'; } add_shortcode ('test_shortcodes', 'test_shortcodes'); I have. Output Control 함수 목록. The output may be caught by another output buffer or, if there are no other output buffers, sent directly to the browser. ob_get_flush — Flush the output buffer, return it as a string and turn off output buffering. Here's my function:The ob_get_contents () function has different return behaivor in PHP 5. Tôi có 1 ví dụ đơn giản như sau: New search experience powered by AI. 참고 See also header() and setcookie() . Whether the buffer-cleaning functions _should_ invoke the output callback (keeping in mind that in themselves they do not generate. ob_get_clean essentially executes both ob_get_contents and ob_end_clean (). this won't work because output buffer is sent to the browser. If you want to further process the buffer's contents you have to call ob_get_contents () before ob_end_clean () as the buffer contents are discarded when ob_end_clean () is called. Q&A for work. ob_get_contents(); ?> flush 함수는 출력물을 브라우저로 보내고, 출력 버퍼를 비우는 역할을 하지만, 서버나 클라이언트에 영향을 주지 않습니다. There are two other functions you typically pair it with: ob_get_contents (), which basically gives you whatever has been "saved" to the buffer since it was turned on. Starting Output Buffering. So, fortunatly there is some php tools that do interpret the page and can fetch any sub files. Unfortunately, there is no way to do an implicit ob_flush() after each output, that I am aware of. 5k 3 3 gold badges 48 48 silver badges 77 77 bronze badges. ob_clean() This function removes what is stored in the output buffer. The output buffering functions are also useful in hackery to coerce functions that only print to return strings, ie. So ob_start() is supposed to capture output until another buffer function is called like ob_get_clean(), ob_get_contents(), ob_get_flush(). Stacking Output Buffers. . ob_get_clean — Get current buffer contents and delete current output buffer. Essentially, an output buffer in PHP catches anything that would have been output to the browser (excluding headers). ob_get_clean() Triggers both ob_get_contents() and ob_end_clean() ob_get_level() Returns the current nesting level of the output buffer: ob_flush() Flush the content buffer and send it to the browser without ending the buffer: ob_implicit_flush() Enables implicit flushing after every output call. This code adds wp_nav_menu_items wordpress hook. The problem with this is, that you have “ob_get_clean” outside the “if”, where “ob_start” is. The ob_get_contents() function is a built-in function in PHP that allows you to get . Whether the buffer-cleaning functions _should_ invoke the output callback (keeping in mind that in themselves they do not generate. This is also an example of illustrating the ob_start () function of the PHP Programming Language which helps in handling the output buffering. Connect and share knowledge within a single location that is structured and easy to search. It shows in the top all the time but I have read some about ob_start(); and trying to use it but the shortcode just returns nothing. The PHP ob_get_clean() function returns the contents of the current output buffer and then deletes this output buffer. It works. Learn more about TeamsWith ob_start and ob_get_clean you redirect the echo from the standard outputbuffer to a variable. We can take the previous example to learn how to subsequent buffers into a stack. Place the buffer start before your output begins and the buffer content capture and clean after the output is complete and then save the content to a cache file… Buffering also allows headers() to be implemented after output has began. 3. There are a number of functions related to output buffering, but the two we’ll use are ob_start and ob_get_clean. 1. Also, there is another function ob_get_contents() that grabs all of the data gathered since we called ob_start. ob_get_contents () will capture whatever was echoed, but it will not prevent it from being sent to the browser at a later time. The ob_get_length () function returns the length of the topmost output buffer's contents in bytes. Is there any other way to read file into a variable and parse all the PHP in there. 現在のバッファの中身を取得し、出力バッファを削除します。 ob_get_clean() は、基本的に ob_get_contents() および ob_end_clean() を同時に実行するのと同じです。 出力バッファを開始するときに、 ob_start() で PHP_OUTPUT_HANDLER_CLEANABLE および PHP_OUTPUT_HANDLER_REMOVABLE フラグを指定する必要があります。Gets the current buffer contents and delete current output buffer. Whereas all my other code that is around the wp_head is indented (tabbed) two times. Cette fonction vide le tampon de sortie sans l'envoyer au navigateur. So, until browsers begin to show buffered content. The ob_get_clean() function returns the contents of the output buffer and then deletes the contents from the buffer. 2. 2.