I also tried v5. 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. Provide details and share your research! But avoid. ob_get_clean() — Similarly, this will be the combination of ob_get_contents() and ob_end_flush(). Description ¶. 6. . He just warns that you should really only use it if there is no other way as there are drawbacks which you might. php: ob_end_flush() stops header() from working. Improve this answer. Shortcodes have to return their. If you are using error_log(), use ob_get_contents() and ob_end_clean() instead of ob_get_clean(). header () cannot be used once any output has begun. It is based on FPDF and HTML2FPDF, with a number of. " Actually, the callback function, once set by ob_start (), will be called regardless. 43. 168. Sometimes, ob_get_level () may be off by 1 because at the start of the script, it will return 1 even if ob_start () has never been called (and clearing the output buffer via ob_end_clean () and the like can be done without error). Let's say i have a file consisting of 5 lines of text and every line has 50 chars. Oct 16, 2014 at 16:02. For text-logfile/debugging needs, I want all , , multiple spaces and so on to be cleared. 3. However, like I mentioned, if the webserver is. 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. However, casting to number should ignore regular leading spaces. This means that the output buffer is initiated and stopped with ob_end_clean(). It's useful in cases where you may need to filter some output, or you're using a PHP method (such as var_dump) that writes output. 1. e. This function discards the contents of the output buffer. That's related to how the. We would like to show you a description here but the site won’t allow us. If you are using error_log(), use ob_get_contents() and ob_end_clean() instead of ob_get_clean(). You're getting the warning because your script is outputting code before the page headers are sent - meaning you're printing output before the html page. answered Oct 2, 2012 at 2:12. If your JavaScript needs something from the server in order to know to redirect or not, do so via an Ajax request. 3. Here are the functions you could use: ob_get_clean. // Turn on implicit flushing. The output buffer must be started by ob_start () with PHP_OUTPUT_HANDLER_CLEANABLE flag. Using the ob_get_length() function is straightforward. Hi, i am using 0. Once output has started, the only way to redirect is through JavaScript, you cannot use PHP. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Find centralized, trusted content and collaborate around the technologies you use most. In this case, since the 2 statements follow each other, you're not intercepting anything at all. The ob_flush () function outputs the contents of the topmost output buffer and then clears the buffer of the contents. ob_get_clean () is a function that gets the current output buffer contents and deletes it. I have large amount of data as string which includes text and lots of images. css files; whereas ob_get_flush() returns the contents of both file types. Share. Yeah, i think i must use ob_get() instead of ob_get_clean() but anyway ob_get() is empty too, i think problem is i cannot call any ob_* inside a function! is this right? – user899205 Aug 30, 2011 at 15:58Tour 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_start(); starts output buffering to the internal buffer not (screen), then when you add ob_get_contents(); it copy the the output from internal buffer still nothing printed, and when ob_end_clean(); interpreted, it will clear all internal buffer memory, nothing outputed to screen. 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. 14. So the first thing in your script should be ob_start (). ob_get_clean, only works twice. Basically you just wrap your html in ob_start(); this will return the html as a string so you can echo it. ) The buffer is limited in size, and can easily overrun when left to defaults. Keep in mind that output may be buffered by default, depending on how you are running PHP (CGI, CLI, etc. Output had to have started in order for processing to get to your shortcode. g. The output buffer must be started by ob_start with PHP_OUTPUT_HANDLER_FLUSHABLE flag. ob_clean (): bool. We hope this article has been informative and useful in understanding the ob_clean () function in PHP. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. However, instead of repeatedly starting a new buffer, you could just erase the current buffer with ob_clean() in between calls of ob_get_contents()now what i want here is to remove the newlines from the stored output of the ob_get_clean(). También se usa para obtener el búfer de salida nuevamente después de limpiar el búfer. ob_clean() This function removes what is stored in the output buffer. It works. This would seem evidence that ob_clean, isn't actually doing what the codex suggest. 0. 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. Im novice so i dont understand what this doing. Si no, ob_clean () no funcionará. Removing ob_start() and echo ob_get_clean() returns the same result on the admin page. Hot Network Questions PostGIS fields of type interval not part of QGIS' field list Notepad++ writes a lot to disk after closing Why do many template languages have `for-else` statements?. 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. php. 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. The call to ob_get_clean will return the contents of your buffered output. ini has my output_buffering set to 4096. ob_get_length — Return the length of the output buffer. Share. php on line 946. ob_clean ()：. The output buffer must be started by ob_start with PHP_OUTPUT_HANDLER_CLEANABLE and PHP_OUTPUT_HANDLER_REMOVABLE flags. 4 ob_* functions. Connect and share knowledge within a single location that is structured and easy to search. 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。. 'options' => apply_filters('tutor_monetization_options', array( //add new monetization options here 'free' => __('Disable Monetization', 'tutor'), )),. ob_get_clean, c'est comme si tu copiais le contenu de ta feuille sur une autre (donc dans une variable en php) puis après tu jette la feuille. 1 the document fed to dompdf would be pre-processed using PHP's eval() function when DOMPDF_ENABLE_PHP was set to true. The rocket booster and then the spacecraft. 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. Definition and Usage. answered Oct 8. The value set by ob_get_clean shows as a string, but when I try to cast it to an int in php, the value goes to 0. For example: use function OutputControlob_start; use function OutputControlob_end_flush; use function OutputControlob_get_clean; ob_start ();. Usando ob_start le permite mantener el contenido en un buffer del lado del servidor hasta que esté listo para mostrarlo. Those 4 lines of code wouldn't display the contents. For example, if the page you want to render to PDF can be accessed via a web server then you can just load that page in your Dompdf script:ob_get_clean (PHP 4 >= 4. I prefer to be more explicit with what my code is doing, and I think it is clearer when you split getting the contents of. 0. If you want to use it for a larger buffer you have to edit your php. We then investigated ob_start to capture the output buffer. Share. Like the_content filter, which lets you access the markup for a post before it's output to the screen. I think I'll better send the output in an HTML file using the code you provided me. PHP output buffer issue when using ob_gzhandler and ob_clean together. 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 the browser at the. Syntax. I suggest using the buffer, but you have to get the contents and then clean the buffer before the end of the page, otherwise it is outputted. If you want to capture instead of echoing, you should use ob_get_clean () – kijin. Tiện ích lọc. ob_get_flush() — This functions creates combinatorial effects of both ob_get_contents() and ob_end_flush(). But let's suppose you can, is the first thing that happens in this class always an ajax request? If not, then you still haven't initiated ob_start(). txt file contain a new line - " " at the end, except for the data10. Here are references for the two functions required for basic output buffering: PHP ob_start() PHP ob_get_clean() ★ Pro Tip: ‹ PHP Get Memory Usage vs. If your theme is not displaying your shortcodes, probabily you output the content of the post without let Wordpress filter it. Follow edited Nov 17 at 20:42. The ob_start () function creates an output buffer. Example #2. 3. Find centralized, trusted content and collaborate around the technologies you use most. ob_get_clean — Get current buffer contents and delete current output buffer. First, you can't call a PHP page like that using include_once - the query string will be ignored. 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. 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. ob_get_clean() essentially executes both ob_get_contents() and ob_end_clean(). 0. 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. ob_clean () Deletes all of the content from the topmost output buffer. ob_get_length — Return the length of the output buffer. It would be better to place all your output in the included file in a function that stores everything in a variable that is returned by the function. The ob_flush () function outputs the contents of the topmost output buffer and then clears the buffer of the contents. ob_get_contents — Return the contents of the output buffer. basically, I have products displayed on a page using a while loop, each containing an 'id' based on the product id, when this button gets pressed, I use an iframe to call a script that adds the ID to an array, that array is then accessed in the basket script, which prints all items in an SQL database where the ID matches the numbers in the. The output buffer must be started by ob_start () with PHP_OUTPUT_HANDLER_FLUSHABLE flag. 1. Provide details and share your research! But avoid. Description ¶ ob_get_clean (): string|false Lit le contenu courant du tampon de sortie puis l'efface. ob_get_flush — Flush the output buffer, return it as a string and turn off output buffering. 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. Probably you are using a buffering function in output buffering callback which isn't possible as mentioned in php ob_start output_callback documentation. Please don't revive it unless you have something important to add. Cette fonction vide le tampon de sortie sans l'envoyer au navigateur. Collectives™ on Stack Overflow. Also, regardless of the use or warnings related to ob_clean, I'm still seeing the notices make their way through to the response, so a check won't affect the results. Learn more about TeamsI can see the use of ob_start with the output_callback parameter set but I can't see the use of ob_start when calling it without any parameters set at all. Edson's code works because the output buffer did not automatically get flushed because it doesn't exceed the buffer size (and the script isn't terminated obviously before the. Tiện ích lọc dữ liệu: Bạn có thể sử dụng ob_start để lọc. ob_get_clean() is returning the result of the buffer, and THEN cleaning it, triggering the callback which modifies the content. But in genereal this code is strange, why there is a return? how do you access this code? why is there even. asked Nov 19, 2013 at 0:45. 1. Share. ob_get_level () will return the current nesting level of the output buffer. An optional output_callback function may be specified. 1 Answer. oh my god @Paul Norman. Add a comment | Your Answer Thanks for contributing an answer to Stack Overflow! Please be sure to answer. – r3wt. Code Examples. How to pass a callback function with parameters for ob_start in PHP? 4. I'm trying to use the get_the_content() function but instead of pulling the contents of the custom post type I've created it's pulling the contents of the page the shortcode is sitting on. Note: This function is similar to ob_end_flush (), except that this function also returns the. Learn more about Labs ob_get_clean and ob_get_contents return content to screen instead of putting it into variable when used with var_dumpHandling ressources easily. I'm generating a ton of XML that is to be passed to an API as a post variable when a user click on a form button. Otherwise ob_clean () will not work. The way to check for this is through ob_get_level (): echo ob_get_level (); If the result is non-zero. In such case the creation of the file can fail. WordPress has great filter support for getting at all sorts of specific bits of content and modifying it before output. 1. ob_start(): ob_start — Turn on output buffering. Before you downvote, the reason I added this as an answer and not a comment is I don't have sufficient reputation to comment. Usually, if you just need to format a string with HTML, just use. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. I've got a problem when looping using foreach() loop and inside of this loop using ob_start() and ob_get_clean(). ob_get_length() Get the size of the buffer, in bytes. You must register a filter and let parse your content. I want to write 1 include shortcode. ob_get_contents(); ?> flush 함수는 출력물을 브라우저로 보내고, 출력 버퍼를 비우는 역할을 하지만, 서버나 클라이언트에 영향을 주지 않습니다. Starting Output Buffering. Viewed 2k times. When I run in terminal php artisan migrate this results in 'Nothing to migrate' when indeed there is nothing to migrate. There are a number of functions related to output buffering, but the two we’ll use are ob_start and ob_get_clean. Find centralized, trusted content and collaborate around the technologies you use most. Otherwise ob_clean () will not work. Everything works normally but the returned HTML structure is broken. php some other way. 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. exe. We hope this article has been informative and useful in understanding the ob_clean () function in PHP. We can take the previous example to learn how to subsequent buffers into a stack. ob_get_clean() gets the buffer content, cleans the buffer and ends the buffering. you have to use the new aliases instead of using the PHP 7. Learn more about Collectivesob_clean (PHP 4 >= 4. phpMy script pushes file to browser for download thus requiring buffer to be clean and headers not sent. 2. This is what I want to prevent. ob_start(), ob_get_clean() would be useful in case you want to include some views (~ MVC) in your shortcode, e. If i remove line with ob_get_clean () ab_id_transakce have correct variable from form input. ob_get_clean(); Technical Details. Which means that the contents returned are not the result returned by the callback, but the input passed to the callback. Sintaxis: string|false ob_get_clean(); There is a compatibility issue because the Output Buffering has been changed in PHP 8. 2. The PHP ob_get_clean() function returns the contents of the current output buffer and then deletes this output buffer. x. So, the functions ob_start(); ob_get_contents(); and ob_end_clean(); don't work. Whether the buffer-cleaning functions _should_ invoke the output callback (keeping in mind that in themselves they do not generate. But it looks like the DOMPDF library doesn't work whit big pages. Community Bot. Using the ob_get_level() function is straightforward. By understanding the syntax and usage of the function, you can easily clear the output buffer to start fresh. I'm new with this library. 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. output buffering ob_get. 3. add_filter('wp_nav_menu_items', 'crunchify_add_login_logout_menu', 10, 2);2. ob_get_clean() — Similarly, this will be the combination of ob_get_contents() and ob_end_flush(). If you want to further process the buffer's contents you have to call ob_get_contents () before ob_end_flush () as the buffer contents are discarded after ob_end_flush () is called. While returning from the function you have to use ob_start() and ob_get_clean() then alone you can get the result in the place where you need. 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 siteNoted, and I understand that. Using ob_get_clean(), there is even a double notice: "ob_get_clean(): failed to delete buffer of default output handler (1)". Hot Network Questions Voltage change on Resistor change (TinkerCad) Does the escape velocity formula take into account how a gravitationally bound object's distance to its primary increases before coming back down?. thanks! – Alexandru Trandafir Catalin Sep 29, 2014 at 7:45Using the output buffer for this is not a very clean solution. Follow edited Nov 19, 2013 at 18:14. Follow answered Jul 30, 2014 at 7:16. 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. 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. g. Q&A for work. <?php ob_start (); echo 'a'; print 'b'; // some statement that removes all printed/echoed items ob_end_clean (); echo 'c'; // the final output is equal to 'c', not 'abc' ?>. PHP IN DOMPDF how include ? #1924. (PHP 4 4. 1 1 1 silver badge. If multiple output callback functions are active, output is being filtered sequentially through each of them in nesting order. ) 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. Enough already with the “get_the_content()” jabber. I am writing a plugin that requires a large chunk of html. So this leads me to think that the notices are. There are couple of other ob_ functions for more flexibility. Fortunately, there’s a single function that “harvests” and deactivates your buffer all at once: ob_get_clean(). I couldn't find any diagrams explaining output buffering on the worldwide-web so I made a diagram myself in Windows mspaint. thanks I appreciate it more than you know. It works only if the output buffer is started by ob_start () with PHP_OUTPUT_HANDLER_CLEANABLE and PHP_OUTPUT_HANDLER_REMOVABLE flags. If this function returns more than 0 you are still inside a buffer. I am trying to get the browser timezone via JavaScript and capture it in a php variable with ob_start() and ob_get_clean. I'm making my first plugin and I have a problem with displaying my shortcode. Asking for help, clarification, or responding to other answers. $image_data = ob_get_contents(); ob_end_clean(); echo $image_data; unlink($nameimage); Client (192. ob_get_contents — Return the contents of the output buffer. it will work as you would use ob_start with no. I am including HTML template in my shortcode by using ob_start & ob_get_clean. ob_get_clean ( ): string|false. ob_get_flush — Flush the output buffer, return it as a string and turn off output buffering. I understand that you should not want to handle this kind of errors in your own code since it has to be clean & tested but still you might get some, e. ob_flush. This function does not destroy the output buffer like ob_end_flush. Php - ob_get_clean, only works twice, ob_get_clean turns off output buffering. La función ob_get_clean() es la combinación de ob_get_contents() y ob_end_clean(). If you want to use it for a larger buffer you have to edit your php. 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. 3. Add a comment | 0 The Problem is, you are replcing tho variables from one source. Cette fonction ne détruit pas le contenu du tampon de sortie comme peut le faire ob_end_clean () . So the first thing in your script should be ob_start (). ob_flush (): bool. If you just want to clean the buffer after starting output buffering with. Có nhiều lợi ích khi sử dụng ob_start trong PHP, bao gồm: Giảm tải server: ob_start có thể giúp giảm tải server bằng cách lưu trữ toàn bộ dữ liệu đầu ra trong bộ đệm (buffer) trước khi gửi nó đến trình duyệt. I am working on a CSS and JS compiler and need to find a way to list the contents of wp_head() I am trying to get a list of all CSS/JS files and inline CSS on any give page. Gets the current buffer contents and delete current output buffer. ob_flush — Flush (send) the output buffer. cls. You might try checking to see if the values are an object first, and then using the PHP function to convert to an array. Tôi có 1 ví dụ đơn giản như sau: New search experience powered by AI. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. 3. How to Use the ob_get_level() Function. 5k 3 3 gold badges 48 48 silver badges 77 77 bronze badges. I think in this case they mean the same thing. Learn more about CollectivesCollectives™ on Stack Overflow. The output may be caught by another output buffer or, if there are no other output buffers, sent directly to the browser. Definition and Usage. También se usa para obtener el búfer de salida nuevamente después de limpiar el búfer. This one uses ob_get_clean() and does not produce the correct result:Wordpress: ob_get_clean(); doesn't return $value in shortcode?Helpful? Please support me on Patreon: thanks & prai. 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. // We use str_pad () to make the output long enough. Conclusion. ob_get_length() gets the size of the buffer, in bytes. I found out that the problem can be fixed by either using return instead of echo, or by using output buffering: (ob_start () / ob_get_contents ()) Unfortunately my coding skills are not what I would like them to be. First follow what the codex says Shortcodes. This function discards the contents of the topmost output buffer and turns off this output buffering. It can be distinguish using binary operator &:If you use ob_get_clean(), you delete output buffer after first call. What is the ob_get_length() Function? The ob_get_length() function is a PHP built-in function that allows you to get the length of the output buffer. If you don't buffer your output, it doesn't seem like it would be possible for a web server to output a Content-Length header. However ob_get_clean() retrieves the contents first, and then cleans the buffer. Description ¶. The ob_get_contents() function is a built-in function in PHP that allows you to get . it uses flush() and ob_flush() functions. This way when you won’t go inside that “if”, you are closing the output buffer which wasn’t started by you. The most common is wkhtmltopdf, which is a binary that include Chrome's rendering engine webkit to interpret the page and print the pdf. Be sure your includes do not already send something to the browser. Also, there is another function ob_get_contents() that grabs all of the data gathered since we called ob_start. Descripción ¶. However a few years ago I was having errors that required me call both get_clean and flush. See syntax, parameters, return value and examples of this function. ob_get_clean, only works twice. 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. ob_get_clean. 在php的默认配置下，php输出是先输出到缓冲区（output_buffering，内存区域），然后输送到浏览器。. Flags can be used to permit or restrict what the buffer is able to do. When I use Artisan::call('migrate') in code (use this in a custom Artisan command) this doesn't return any message. - The shutdown function would call ob_get_clean() again, and write the result to watchdog. 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. 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. 5. ob_get_clean — 得到当前缓冲区的内容并删除当前输出缓冲区 说明 ¶ ob_get_clean (): string|false 得到当前缓冲区的内容并删除当前输出缓冲区。 ob_get_clean () 实质上是一. Using return: function foo () { return 'abc'; } echo foo (); Using ob_get_clean. ob_get_clean() gets the buffer content, cleans the buffer and ends the buffering. Other functions are all working fine e. Thanks. No examples exist of running ob_get_clean within a while loop, and for my purpose there is no alternative. Learn more about TeamsIt is that the ob_start, ob_get_clean don't work synchronously in the view process causes the problem. Function. You can rate examples to help us improve the quality of examples. Please I need an explanation on. 7. Share. Output buffering should be taking place inside your shortcode callback. For static files it can check the filesize, but for dynamic files that send output a little by little there is no way to know how many bytes it is going to output. 3. 1 version of dompdf on my web server (PHP/5. 5. ob_get_clean (): string. php, instead ob_start() and ob_get_clean() are ignored, and the output of links. If ob_flush() isn't called at the end of the app, the contents are automatically flushed, again. Definition and Usage. ob_gzhandler() - Được sử dụng như một hàm gọi lại cho ob_start() để nén nội dung của bộ đệm khi gửi nó đến trình duyệt. But of course, these are only a few of the common basics of output buffering. Closed. Asking for help, clarification, or responding to other answers. I have tried ob_flush(); and flush() but that doesn't help either. Hey, no it didn't work Salut, je suis encore en apprentissage de la programmation web notamment avec PHP ou je suis encore novice . If you want, use output buffering with ob_start() and ob_get_clean() to get the output contents into a string which you can then use to fill out Content-Length. Descrição ¶. 6. (PHP 4 4. When ob_end_clean is called, it turns off buffering. GWW GWW. 首先，我們先來看看不讓 echo 之類的內容列印輸出。. 1. Try echo ob_get_level () to see in which layer you are. ob_get_clean returns a string of whatever has entered the output buffer since your ob_start () call and then deletes the contents from the buffer (in this particular example you never set the output of this function to anything, so your code should do nothing). Follow answered Mar 1, 2011 at 23:25. WordPress uses get_ for returning almost any function inside the loop without echoing out to the browser. 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(). This is also an example of illustrating the ob_start () function of the PHP Programming Language which helps in handling the output buffering. David Barker David Barker. 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. I am using ob_get_contents() to create a html file from php file. Return. ob_get_clean (PHP 4 >= 4. 0.