Answers for "php manual debuging technique"

PHP
1

how to debug in php

ini_set('display_errors', 'On');
error_reporting(E_ALL);
Posted by: Guest on June-16-2020
1

php best debugging functions

A good example of data output to the console via <script> tags, I myself used this first, but he broke the captcha job, because <script> tags were inserted into the base64 code of the captcha picture. Then I began to display logs in the headers with such a function (it may help someone else, in a similar situation):

<?php

function header_log($data){
  $bt = debug_backtrace();
  $caller = array_shift($bt);
  $line = $caller['line'];
  $file = array_pop(explode('/', $caller['file']));
  header('log_'.$file.'_'.$caller['line'].': '.json_encode($data));
}

?>

Usage:
$myvar = array(1,2,3);
header_log( $myvar ); // in headers we see: log_filename_rownumber: [1,2,3]
Posted by: Guest on October-22-2020

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