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Explains variable declaration plus a minor improvement

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Alexar 2020-05-30 05:10:55 +10:00 committed by GitHub
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1 changed files with 5 additions and 2 deletions
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@ -41,12 +41,15 @@ Hello World Again!
*/ */
// Variables begin with the $ symbol. // Variables begin with the $ symbol.
// A valid variable name starts with a letter or underscore, // A valid variable name starts with a letter or an underscore,
// followed by any number of letters, numbers, or underscores. // followed by any number of letters, numbers, or underscores.
// You don't have to (and cannot) declare variables.
// Once you assign a value, PHP will create the variable with the right type.
// Boolean values are case-insensitive // Boolean values are case-insensitive
$boolean = true; // or TRUE or True $boolean = true; // or TRUE or True
$boolean = false; // or FALSE or False $boolean = FALSE; // or false or False
// Integers // Integers
$int1 = 12; // => 12 $int1 = 12; // => 12