What to do if php rename error occurs

php rename error is due to an error in the path. The solution is: first check whether the file "before.txt" exists or whether the path is written incorrectly; then modify the correct path.

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php rename() failure problem

Code :

$before = '/Applications/MAMP/htdocs/www/store/data/log/ before.txt';
$after = '/Applications/MAMP/htdocs/www/store/data/log/' . 'after.txt';
if (rename($before, $after)) {
echo "换名成功";
}else{
echo "换名失败";
}

Error message: The return value is always false and the name change failed. . .

Solution:

• Check whether the file before.txt exists or whether the path is written incorrectly

• The reason is The path is wrong'/Applications/MAMP/htdocs/www/store/data/log/"There is an extra space here" before.txt'

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