undo last commit
#this will preserve changes done to your files
git reset --soft HEAD~1
#this will get rid of the commit and the changes done to the files
$ git reset --hard HEAD~1
undo last commit
#this will preserve changes done to your files
git reset --soft HEAD~1
#this will get rid of the commit and the changes done to the files
$ git reset --hard HEAD~1
how remove \r\n from string in php
$text = preg_replace("/\r|\n/", "", $text);
php remove newline
//Replace the newline and carriage return characters
//using regex and preg_replace.
$text = preg_replace("/\r|\n/", "", $text);
php remove \t and \n
$str = preg_replace('/(\v|\s)+/', ' ', $str);
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