php cast to boolean

Get data type:1. If you want to see the value and type of an expression, use Var_dump ().2. If you just want an easy-to-read type of expression for debugging, use GetType ().3. To view a type, do not use GetType () and use the Is_type ()

Grammar: To specify a Boolean value, use the keyword TRUE or FALSE. Two are not case-sensitive. The code is as follows Copy Code $foo = True; Assign the value TRUE to $foo?> The Boolean value returned by the

This is the simplest type. Boolean expresses the truth value, which can be TRUE or FALSE. Grammar To specify a Boolean value, use the keyword TRUE or FALSE. Two are not case-sensitive. The Boolean result returned by the usual operator is passed to

SyntaxTo specify a Boolean value, use the keyword TRUE or FALSE. Both are case insensitive. The code is as follows:Copy code $ Foo = True; // value TRUE to $ foo?> You usually use some operators to return a boolean value and pass it to the

Boolean type This is the simplest type. Boolean expresses the truth value, which can be TRUE or FALSE. Note: The Boolean type is introduced in PHP 4.Grammar To specify a Boolean value, use the keyword TRUE or FALSE. Two are not case-sensitive.

PHP Boolean data types and process-controlled data type conversions The Boolean is the simplest type of data. can be true or false, and the keyword is not case-sensitive. To explicitly convert a value to a Boolean type, use (bool) or (Boolean) to

That is, if you assign a string value to the variable Var,var it becomes a string. If you assign an integer value to Var, it becomes an integer. The type casts in PHP are very similar to those in C: precede the variables to be converted with the

This is the simplest type. Boolean expresses the truth value, which can be TRUE or FALSE. Note: The Boolean type is introduced in PHP 4. GrammarTo specify a Boolean value, use the keyword TRUE or FALSE. Two are not case-sensitive.$foo 

July 20, 2017 15:41:26Boolean Boolean type1. This is the simplest type. Boolean expresses the truth value, which can be TRUE or FALSE. is actually a true and false problem.2. SyntaxTo specify a Boolean value, use the keyword TRUE or FALSE. Two are

That is, if you assign a string value to the variable Var,var it becomes a string. If you assign an integer value to Var, it becomes an integer. The type casts in PHP are very similar to those in C: precede the variables to be converted with the