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This commit is contained in:
Andrew Davis
2018-12-26 19:01:06 -06:00
parent 3e2f24c0c6
commit dc296aef34
2 changed files with 5 additions and 5 deletions
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8
code/arithmetic.php
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@@ -5,10 +5,10 @@ $a = 1;
$b = 2; $b = 2;
// To add two values, use the plus symbol. // To add two values, use the plus symbol.
$c = $a + $b; echo $a + $b;
// To subtract, use the minus symbol. // To subtract, use the minus symbol.
$c = $b - $a; echo $b - $a;
// To multiply two values, use an asterisk. // To multiply two values, use an asterisk.
echo $a * $b; echo $a * $b;
@@ -18,8 +18,8 @@ echo $b / $a;
// PHP uses the percent symbol for calculating the modulus of two numbers. // PHP uses the percent symbol for calculating the modulus of two numbers.
// The modulus is calculated by dividing two numbers and returning the remainder of the result. // The modulus is calculated by dividing two numbers and returning the remainder of the result.
// So, in this example, the value of $modulo will be 0. // In this example, the value of $mod will be 0.
$modulo = 10 % 5; $mod = 10 % 5;
// You can also use double asterisks to calculate a number to the power of another number. // You can also use double asterisks to calculate a number to the power of another number.
// The following statement will print 25. // The following statement will print 25.

2
code/variables.php
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@@ -19,7 +19,7 @@ $var = 'I am a new variable';
// An int is a number without a decimal place. // An int is a number without a decimal place.
// A float is a number with a decimal place. // A float is a number with a decimal place.
// A boolean can be two values: true or false. // A boolean can be two values: true or false.
// Last, there is a string, a collection of characters. // Last, there is a string: a collection of characters.
$int = 1; $int = 1;
$float = 100.10; $float = 100.10;
$bool = true; $bool = true;