Deprecated: str_getcsv(): the $escape parameter must be provided as its default value will change
I had a PHP script that read a CSV file using the str_getcsv() function. When I upgraded PHP to 8.4, it threw a deprecation error everytime this function was called.
Deprecated: str_getcsv(): the $escape parameter must be provided as its default value will change in index.php on line 11
What is this str_getcsv deprecation about?
In my PHP script that worked fine with previous versions of PHP, a CSV file was read using this statement:
$rows = array_map('str_getcsv', file('states.csv'));
After upgrading to PHP 8.4, I was prompted to include the escape parameter in the statement that calls that function.
Solution when calling str_getcsv() directly
If I had called the str_getcsv() function without using array_map, the solution would have been to change this:
$rows = str_getcsv($csvdata);
to this:
$rows = str_getcsv($csvdata, escape: '');
Solution when calling str_getcsv() from array_map()
In my code, I called array_map() and called the str_getcsv from within it.
To fix this, I would create an anonymous function and enter escape argument from within str_getcsv().
I would change this:
$rows = array_map('str_getcsv', file('states.csv'));
to this:
$rows = array_map(fn($v) => str_getcsv($v, separator: ',', escape: ''), file('states.csv'));
Restart PHP and the web browser. Then, refresh the page. You shoud not see the deprecation error again.
Has this worked for you?
If this tutorial has worked for you, please let me know, and share this post. You can also contact me with any questions or post in the comments below.
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