PHP Tips

Enhance your PHP skills with daily tips

01
Use strict typing with declare(strict_types=1);
02
Prevent SQL injection by using prepared statements with placeholders
03
Avoid using eval() as it can be a security risk
04
Use foreach instead of for loop when iterating over an array
05
Escape output using htmlspecialchars() to prevent cross-site scripting (XSS) attacks
06
Use trim() to remove leading and trailing whitespace from a string
07
Use filter_var() to validate and sanitize user input
08
Use array_map() to apply a callback function to every element of an array
09
Utilize array_key_exists() to check if a key exists in an array
10
Use str_replace() to replace occurrences of a substring in a string