exec - Returns last line of commands output
passthru - Passes commands output directly to the browser
system - Passes commands output directly to the browser and returns last line
shell_exec - Returns commands output
\`\` (backticks) - Same as shell_exec()
popen - Opens read or write pipe to process of a command
proc_open - Similar to popen() but greater degree of control
pcntl_exec - Executes a program
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<?php | |
// It's better to be exported as an environment variable or in a .env file. | |
define("SECRET", "<SECRET>"); | |
$body = file_get_contents("php://input"); | |
// $decodedBody = json_decode(urldecode($body)); | |
if (verifySignature($body) !== false) { | |
// verified |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft
,elem.offsetTop
,elem.offsetWidth
,elem.offsetHeight
,elem.offsetParent