Search results for: "hyphens"

What are some common issues when storing phone numbers with additional characters in a MySQL database using PHP?

When storing phone numbers with additional characters in a MySQL database using PHP, a common issue is that the phone numbers may not be stored correc...

How does the forum user modify the code to check for invalid characters in a phone number input?

To check for invalid characters in a phone number input, the forum user can use a regular expression to ensure that only digits, spaces, parentheses,...

In the context of the provided code snippet, how can the PHP script be modified to prevent the insertion of unwanted characters into downloaded files?

To prevent the insertion of unwanted characters into downloaded files, we can sanitize the file name before saving it. This can be done by removing an...

How can the use of backticks in SQL queries prevent errors in PHP when querying a column with a hyphen in its name?

When querying a column with a hyphen in its name in SQL using PHP, using backticks around the column name can prevent errors. This is because hyphens...

Why should special characters like umlauts be avoided in file or folder names, variable names, and other aspects of PHP code?

Special characters like umlauts should be avoided in file or folder names, variable names, and other aspects of PHP code because they can lead to enco...