Search results for: "false"

When does the expression ($row = mysql_fetch_array($result)) != false evaluate to false in PHP?

The expression ($row = mysql_fetch_array($result)) != false evaluates to false in PHP when the mysql_fetch_array() function fails to fetch a row from...

What is the significance of the comment "// $valid==false ist NICHT gleich $valid=false ;)" in the code snippet provided?

The comment "// $valid==false ist NICHT gleich $valid=false ;)" is significant because it points out the difference between comparing the value of a v...

What is the significance of using lowercase boolean values (true, false) instead of strings ("True", "False") in PHP IF conditions?

Using lowercase boolean values (true, false) in PHP IF conditions is significant because it ensures that the comparison is done strictly without type...

Why is it recommended to use `=== TRUE` or `=== FALSE` instead of `== TRUE` or `== FALSE` in PHP comparisons?

Using `=== TRUE` or `=== FALSE` ensures strict comparison in PHP, meaning both the value and type must match. This is recommended because using `== TR...

In PHP, is it preferable to assign null instead of false to a variable that can accept the value false based on logic?

When dealing with a variable that can accept the value of false based on logic, it is generally preferable to assign null instead of false. This helps...