Search results for: "check"

How can you check if a file/image was selected during upload in PHP?

To check if a file/image was selected during upload in PHP, you can use the $_FILES superglobal array to check if the 'error' index is equal to 0, whi...

What is the best way to check multiple servers for online status using PHP?

To check multiple servers for online status using PHP, you can use the `fsockopen` function to establish a connection to each server and check if the...

What are the potential pitfalls of using file_exists() to check the availability of URLs in PHP?

Using file_exists() to check the availability of URLs in PHP may not always work as expected because it is primarily designed to check for the existen...

How can one check if a page is reachable in PHP without redirecting?

To check if a page is reachable in PHP without redirecting, you can use the cURL library to make a HEAD request to the URL. This will allow you to che...

How can you check if an email contains "@" and "." using PHP?

To check if an email contains "@" and ".", you can use the strpos() function in PHP to search for these characters in the email string. If both "@" an...