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Adding more detailed description to the function

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Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>
This commit is contained in:
RD WebDesign
2023-05-22 22:49:52 -03:00
parent e6cc0ef44f
commit ee2dfe3173
1 changed files with 6 additions and 6 deletions
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scripts/pi-hole/php/gravity.sh.php
+6 -6
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@@ -21,20 +21,20 @@ header('Cache-Control: no-cache');
function echoEvent($datatext)
{
// Detect ${OVER} and replace it with something we can safely transmit
// "pihole -g" command uses an escape sequence to allow overwriting lines = ${OVER}
// The ${OVER} sequence is a Carriage Return ("\r") followed by "ESC+[+K" ("\e[K")
// This allows every line (including progress and error messages) to be shown on the page
// Replace "\r\e[K" ("CR+ESC+[" generated by gravity.sh) with "<------"
// Replace ${OVER} with something we can safely transmit and use on the javascript code
$datatext = str_replace("\r\e[K", '<------', $datatext);
// Replace "\r" generated by "pihole-FTL gravity parseList" command
$datatext = str_replace("\r", '<------', $datatext);
$pos = strpos($datatext, '<------');
// Detect if the ${OVER} line is within this line, e.g.
// "Pending: String to replace${OVER}Done: String has been replaced"
// If this is the case, we have to remove everything before ${OVER}
// and return only the text thereafter
// If the "<------" string is in the middle of the line we remove everything before it
// Example: "Pending: String to replace<------Done: String has been replaced"
// After replacing: "<------Done: String has been replaced"
if ($pos !== false && $pos !== 0) {
$datatext = substr($datatext, $pos);
}