Jun 5, 2013 · Vulnerable App: Plesk Apache zeroday / June 2013 discovered & exploited by kingcope this Plesk configuration setting makes it possible: scriptAlias /phppath/ "/usr/bin/" Furthermore this is not cve-2012-1823 because the php interpreter is called directly. (no php file is called) Parallels Plesk Remote Exploit -- PHP Code Execution and therefore ... Aug 1, 2023 · PHP supports C-style pre- and post-increment and decrement operators. Note: The increment/decrement operators only affect numbers and strings. Arrays, objects, booleans and resources are not affected. Decrementing null values has no effect too, but incrementing them results in 1. Increment/decrement Operators. May 5, 2012 · In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Jul 7, 2020 · Fortunately for us our CDATA object has a pointer to a list of function handlers :). Our goal is to use our read to read a handler's address which would be in the php image. In the standard PHP build we had to read further into the handler list to get PHP .text pointer and not a ffi.so .text pointer. PHP can create, open, read, write, delete, and close files on the server. PHP can collect form data. PHP can send and receive cookies. PHP can add, delete, modify data in your database. PHP can be used to control user-access. PHP can encrypt data. With PHP you are not limited to output HTML. You can output images or PDF files. The sentence or string enclosed between html title tag () is the title of your website. Search engines searches for the title of your website and displays title along with your website address on search result. Title is the most important element for both SEO and social sharing. Title should be less than 50 to 60 characters because search ...Launch your Laravel infrastructure on Vapor and fall in love with the scalable simplicity of serverless. Lightweight starter kit scaffolding for new applications with Blade or Inertia. Take the pain out of managing subscriptions on Stripe or Paddle. Automated browser testing to ship your application with confidence. PHP Conditional Statements. Very often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is trueb11-php_folder. Public. main. 1 branch 0 tags. Code. 2 commits. Failed to load latest commit information. intro. tic_tac_toe. Mar 7, 2020 · {"payload":{"allShortcutsEnabled":false,"fileTree":{"2020-03-07-zer0ptsCTF/diylist":{"items":[{"name":"README.md","path":"2020-03-07-zer0ptsCTF/diylist/README.md ... لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ...first to pivot a new stack in the BSS section (for example at BSS + 0x50) and clear the stack for a one-gadget. finall, overwrite one of the stream buffers partially and use it as a return address. The 3 last bytes of a one-shot gadget (libc + 0xF1147) can be used. This result in an exploit that works once every 4096 times on average.NOTE: The documentation below refers to the Phalcon 5.0.0 installation. Adjust your installation/commands to the version you want to install accordingly. Along with PHP 7.4 or greater, depending on your application needs and the Phalcon components you need, you might need to install the following extensions: curl. fileinfo.Jun 9, 2023 · This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ... PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ...May 5, 2012 · In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down. TIP: Enter an intersection, bus route or bus stop code. Route: B11 Sunset Park - Midwood. via 49th & 50th St / Avenue JDec 26, 2012 · The double arrow operator, =>, is used as an access mechanism for arrays. This means that what is on the left side of it will have a corresponding value of what is on the right side of it in array context. This can be used to set values of any acceptable type into a corresponding index of an array. The index can be associative (string based) or ... PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ». Base64 Encoder is a pwn task. Only a link to a web service is provided. No binary is given. This web service provides a way to encode and decode a text and a key to and from base64+. The robots.txt file mentions /cgi-src/. This directory contains a chall binary that is executed by the /cgi-bin/chall endpoint. The binary is a 32-bits CGI ELF. Mar 7, 2020 · . This structure is used by the writev and readv syscalls. They are not blacklsited, and can be used to write 2 whole pages of the content of the heap to stdout. . The heap contains an address of the vtable of the Emulator object. Launch your Laravel infrastructure on Vapor and fall in love with the scalable simplicity of serverless. Lightweight starter kit scaffolding for new applications with Blade or Inertia. Take the pain out of managing subscriptions on Stripe or Paddle. Automated browser testing to ship your application with confidence.Arrow functions have the basic form fn (argument_list) => expr . Arrow functions support the same features as anonymous functions, except that using variables from the parent scope is always automatic. When a variable used in the expression is defined in the parent scope it will be implicitly captured by-value.The sentence or string enclosed between html title tag () is the title of your website. Search engines searches for the title of your website and displays title along with your website address on search result. Title is the most important element for both SEO and social sharing. Title should be less than 50 to 60 characters because search ...A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables:PHP operators for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex ...PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».It copies the uploaded file from the default PHP temp directory to a separate public /temp directory. The file in the public /temp directory is deleted after one second. Interestingly enough, the filename in this directory is defined by the user, while the filename in the public /uploads directory gets prefixed with a random UUID.To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file.Mar 7, 2020 · CTF writeups from The Flat Network Society. Contribute to TFNS/writeups development by creating an account on GitHub. The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries. Mar 15, 2022 · Click on the Advanced system settings link in the left column. From the System Properties window, click on the Advanced tab, and then click on the Environment Variables button at the bottom. Select the Path variable from the System Variables section, and then click on Edit. Add: c:\php to your system path. first to pivot a new stack in the BSS section (for example at BSS + 0x50) and clear the stack for a one-gadget. finall, overwrite one of the stream buffers partially and use it as a return address. The 3 last bytes of a one-shot gadget (libc + 0xF1147) can be used. This result in an exploit that works once every 4096 times on average. Jul 7, 2020 · Fortunately for us our CDATA object has a pointer to a list of function handlers :). Our goal is to use our read to read a handler's address which would be in the php image. In the standard PHP build we had to read further into the handler list to get PHP .text pointer and not a ffi.so .text pointer. May 29, 2023 · Factors to Consider When Choosing a PHP Framework. Best PHP Frameworks in 2023 (Comparison Table) 10 Best PHP Frameworks in 2023 (Ranked) Laravel. Symfony. Yii 2. CakePHP. CodeIgniter. Zend Framework. Synopsis The website contained a CSV parser application which was vulnerable to a code injection vulnerability in how it parses certain payloads. Based on the provided Dockerfile, the server is known to have a root-owned SUID binary located at /opt/readflag which would read the flag contained at /root/flag.txt. The PHP version running on the server was vulnerable to an open_basedir bypass that ...0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC.PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading.Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output.Solution: Enable the mbstring extension in your PHP configuration (php.ini) file. Locate the line ";extension=mbstring" and uncomment it by removing the semicolon at the beginning. Save the changes and restart your web server. "The mysqlnd extension is missing." Solution: Enable the mysqlnd extension in your PHP configuration (php.ini) file.Jul 7, 2020 · Fortunately for us our CDATA object has a pointer to a list of function handlers :). Our goal is to use our read to read a handler's address which would be in the php image. In the standard PHP build we had to read further into the handler list to get PHP .text pointer and not a ffi.so .text pointer. MPH has sourced the connectors needed to make a plug and play voltage supply relay kit available. Installation is as simple as can be , unplug your starter relay, plug in the harness, attach the removed relay to the harness, zip tie the OE removed relay to the supplied relay, and connect the 2 eyelets to the battery.Synopsis The website contained a CSV parser application which was vulnerable to a code injection vulnerability in how it parses certain payloads. Based on the provided Dockerfile, the server is known to have a root-owned SUID binary located at /opt/readflag which would read the flag contained at /root/flag.txt. The PHP version running on the server was vulnerable to an open_basedir bypass that ...The double arrow operator, =>, is used as an access mechanism for arrays. This means that what is on the left side of it will have a corresponding value of what is on the right side of it in array context. This can be used to set values of any acceptable type into a corresponding index of an array. The index can be associative (string based) or ...MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ...syscall kit is a pwn task. An archive containing a binary, and its source code is provided. The binary lets the user call syscalls with 3 arguments of its choice. Some syscalls (deemed to be dangerous) are banned. The user can call up to 10 syscalls before the program exits.Aug 1, 2023 · PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP par لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ... PWM signals can be generated in our PIC Microcontroller by using the CCP (Compare Capture PWM) module. The resolution of our PWM signal is 10-bit, that is for a value of 0 there will be a duty cycle of 0% and for a value of 1024 (2^10) there be a duty cycle of 100%. There are two CCP modules in our PIC MCU (CCP1 And CCP2), this means we can ...PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. As a regular ...Mar 15, 2017 · PWM signals can be generated in our PIC Microcontroller by using the CCP (Compare Capture PWM) module. The resolution of our PWM signal is 10-bit, that is for a value of 0 there will be a duty cycle of 0% and for a value of 1024 (2^10) there be a duty cycle of 100%. There are two CCP modules in our PIC MCU (CCP1 And CCP2), this means we can ... PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading.لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ...Step 1- Create a HTML PHP Login Form. Step 2: Create a CSS Code for Website Design. View More. In today's digital age, the importance of online security cannot be ignored. As a result, creating a login form is an essential feature for any website that requires user authentication. The following is a guide on creating a login form in PHP.. This structure is used by the writev and readv syscalls. They are not blacklsited, and can be used to write 2 whole pages of the content of the heap to stdout. . The heap contains an address of the vtable of the Emulator object.18 Answers Sorted by: 186 In command prompt type below set PATH=%PATH%;C:\path\to\php Where C:\path\to\php is the folder where your php.exe file is located. After this run C:\>php -v than you will see something like PHP 7.3.6 (cli) (built: May 29 2019 12:11:00)PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ». Launch your Laravel infrastructure on Vapor and fall in love with the scalable simplicity of serverless. Lightweight starter kit scaffolding for new applications with Blade or Inertia. Take the pain out of managing subscriptions on Stripe or Paddle. Automated browser testing to ship your application with confidence.syscall kit is a pwn task. An archive containing a binary, and its source code is provided. The binary lets the user call syscalls with 3 arguments of its choice. Some syscalls (deemed to be dangerous) are banned. The user can call up to 10 syscalls before the program exits.A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file. Mar 15, 2022 · Click on the Advanced system settings link in the left column. From the System Properties window, click on the Advanced tab, and then click on the Environment Variables button at the bottom. Select the Path variable from the System Variables section, and then click on Edit. Add: c:\php to your system path. Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. exploits. Some of my pwn exploits: php-concat-bypass - PHP disable_functions bypass using bug #81705 for php 7.3-8.1. php-filter-bypass - PHP disable_functions bypass using bug #54350 for php 7.0-8.0. php7-backtrace-bypass - PHP disable_functions bypass using bug #76047 for php 7.0-7.4. php7-gc-bypass - PHP disable_functions bypass using bug ... PHP-PgSQL Similarly, to use PostgreSQL with PHP you should install the php-pgsql package: sudo apt install php-pgsql Configure PHP. If you have installed the libapache2-mod-php or php-cgi packages, you can run PHP scripts from your web browser. If you have installed the php-cli package, you can run PHP scripts at a terminal prompt. Practice is key to mastering coding, and the best way to put your PHP knowledge into practice is by getting practical with code. Use W3Schools Spaces to build, test and deploy code. The code editor lets you write and practice different types of computer languages. It includes PHP, but you can use it for other languages too. PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings.PHP-PgSQL Similarly, to use PostgreSQL with PHP you should install the php-pgsql package: sudo apt install php-pgsql Configure PHP. If you have installed the libapache2-mod-php or php-cgi packages, you can run PHP scripts from your web browser. If you have installed the php-cli package, you can run PHP scripts at a terminal prompt.Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values.PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ...PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading.PHP operators for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex ...PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websites whose server-side language is known. It is typically ...Vulnerable App: Plesk Apache zeroday / June 2013 discovered & exploited by kingcope this Plesk configuration setting makes it possible: scriptAlias /phppath/ "/usr/bin/" Furthermore this is not cve-2012-1823 because the php interpreter is called directly. (no php file is called) Parallels Plesk Remote Exploit -- PHP Code Execution and therefore ...{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"css","path":"css","contentType":"directory"},{"name":"font-awesome","path":"font-awesome ... It copies the uploaded file from the default PHP temp directory to a separate public /temp directory. The file in the public /temp directory is deleted after one second. Interestingly enough, the filename in this directory is defined by the user, while the filename in the public /uploads directory gets prefixed with a random UUID.May 12, 2016 · Take a look at the Strings manual page to learn more about string handling in PHP. I also recommend having a look at the Language Reference for general guidance. Do keep in mind that PHP is a high level scripting language, and is very different from C++, even if they might look the same. There are things that are very feasible in C++ but not in ... Sep 23, 2022 · Title is the heading of the webpage. The sentence or string enclosed between html title tag () is the title of your website. Search engines searches for the title of your website and displays title along with your website address on search result. Title is the most important element for both SEO and social sharing. It would appear that in php the increment in the left side of the assignment is processed prior to processing the right side of the assignment, whereas in C, neither increment occurs until after the assignment.Sep 4, 2023 · 0.01 7649551 US Dollars. 1 USD = 56.6587 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Sep 3, 2023, 08:11 UTC. PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual .This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ...PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual .
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# diylist - zer0pts CTF 2020 (pwn, 453p, 36 solved) ## Introduction. diylist is a pwn task. An archive containing a binary, a library, and its source code is provided. The optional timestamp parameter in the date () function specifies a timestamp. If omitted, the current date and time will be used (as in the examples above). The PHP mktime () function returns the Unix timestamp for a date. The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time ...Launch your Laravel infrastructure on Vapor and fall in love with the scalable simplicity of serverless. Lightweight starter kit scaffolding for new applications with Blade or Inertia. Take the pain out of managing subscriptions on Stripe or Paddle. Automated browser testing to ship your application with confidence.In PHP, the array () function is used to create an array: array (); In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays.pwn.php This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Mar 7, 2020 · . This structure is used by the writev and readv syscalls. They are not blacklsited, and can be used to write 2 whole pages of the content of the heap to stdout. . The heap contains an address of the vtable of the Emulator object. DirectoryApp PHP script supports multiple payment gateways like Paypal, Stripe, 2Checkout, MercadoPago for easy and safe payment collection. Provides exact directory locations as it is compatible with Google Maps, Mapbox, OpenStreetMap, HERE, TomTom, etc. With the help of DirectoryApp script, you can create custom fields for different categories.Jun 5, 2013 · Vulnerable App: Plesk Apache zeroday / June 2013 discovered & exploited by kingcope this Plesk configuration setting makes it possible: scriptAlias /phppath/ "/usr/bin/" Furthermore this is not cve-2012-1823 because the php interpreter is called directly. (no php file is called) Parallels Plesk Remote Exploit -- PHP Code Execution and therefore ... Jun 5, 2013 · Vulnerable App: Plesk Apache zeroday / June 2013 discovered & exploited by kingcope this Plesk configuration setting makes it possible: scriptAlias /phppath/ "/usr/bin/" Furthermore this is not cve-2012-1823 because the php interpreter is called directly. (no php file is called) Parallels Plesk Remote Exploit -- PHP Code Execution and therefore ... # Obey the Rules - HackTM 2020 Quals ## Introduction. Obey the Rules is a pwn task. The goal of this task is to read a file, `/home/pwn/flag.txt`. The binary PHP Operators. PHP Operator is a symbol i.e used to perform operations on operands. In simple words, operators are used to perform operations on variables or values. Learn Faster Practice is key to mastering coding, and the best way to put your PHP knowledge into practice is by getting practical with code. Use W3Schools Spaces to build, test and deploy code. The code editor lets you write and practice different types of computer languages. It includes PHP, but you can use it for other languages too.Aug 18, 2023 · Step 1- Create a HTML PHP Login Form. Step 2: Create a CSS Code for Website Design. View More. In today's digital age, the importance of online security cannot be ignored. As a result, creating a login form is an essential feature for any website that requires user authentication. The following is a guide on creating a login form in PHP. Jun 17, 2022 · PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ... a project aim to collect CTF web practices . Contribute to wonderkun/CTF_web development by creating an account on GitHub. . This structure is used by the writev and readv syscalls. They are not blacklsited, and can be used to write 2 whole pages of the content of the heap to stdout. . The heap contains an address of the vtable of the Emulator object.PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries. Mar 7, 2020 · CTF writeups from The Flat Network Society. Contribute to TFNS/writeups development by creating an account on GitHub. Some ways of comparing two strings are very insecure. After a bit more research, it seemed that strcmp had some issues when comparing a string to something else. If I set $_GET [‘password’] equal to an empty array, then strcmp would return a NULL. Due to some inherent weaknesses in PHP’s comparisons, NULL == 0 will return true ( more info ). .