Maximize Image Processing with PHP Passthru

A fun challenge I recently solved in Overthewire. I'm still learning... The passthru() function is similar to the exec() function in that it executes a command. This function should be used in place of exec() or system() Google Image Result for https://fanadlighthouse.com/wp-content/webpc-passthru.php?src=https://fanadlighthouse.com/wp-content/uploads/2021/12/BhM3WJJg ... Imagemagic and php exec: convert: no images defined ... Array ( [0] => convert: no images defined `/private/var/folders/nl/ ... By setting the Content-type to image/gif and then calling a pbmplus program to output a gif, you can create PHP scripts that output images directly. Warning. So, the sending process is better to be run as background process. If you use Linux, you can use exec method. If you're in Windows environment, you can use ... The requested image does exist in the path and it is valid. If I reference it with the https:// URL in the browser it works. What am I missing? ... PHP works. A typical application of passthru function will be the PHP scripts that output images directly. But, taking the user input and ... Images, CSS, and fonts contain files that won't give us much information. JS directory might be interesting in case there's some vulnerable ... ... PHP scripts that output images directly." 3. exec. "exec() executes the given command." 4. shell_exec. "This function is identical to the ...