Our PHP code below will display the difference. Want to increment before the line of code is being executed or after the In addition to this "shorterhand" technique, you can specify whether you $x- Which is equivalent to $x -= 1 or $x = $x - 1.To subtract 1 from a variable, or "decrement" use the "-" operator: $x++ Which is equivalent to $x += 1 or $x = $x + 1.Task of adding 1 or subtracting 1 from a variable. and so can be understood by others that don. ![]() I'm not 'really used to' itertools, so while I puzzled my way through your solution to figure it out, I still claim my solution is simpler, because it doesn't even require importing itertools, or all the clever mechanisms used there (which you had to explain), nor the seven extra iterators it creates. This may seem a bit absurd, but there is even a shorter shorthand for the common Yes, they are doing approximately the same thing. In general, "+=" and "-=" are the most widely used combination operators. The downside to thisĬombination operator is that it reduces code readability to those programmers who are not used to suchĪn operator. This combination assignment/arithmetic operator would accomplish the same task. However, there is a shorthand for doing this. ![]() Say you want to increment a counter by 1, you would Most common example of this is a counter. In programming it is a very common task to have to increment a variable by some fixed amount. The period is the concatenation operator for strings.Ĭombination Arithmetic & Assignment Operators Lesson, the period "." is used to add two strings together, or more technically, Here are the most important comparison operators of PHP. Operators are used inside conditional statements and evaluate to either true If you would like to see a simple example of a comparison operator in action, check out our In this case it was 5 / 2, which has a remainder of 1.Ĭomparisons are used to check the relationship between variables and/or Modulus is the remainder after the division operation has been performed. ![]() PHP Tutorial PHP - Introduction PHP - Installation PHP - Syntax PHP - Variables PHP - Echo PHP - Strings PHP - Operators PHP - Comments PHP - Include File PHP - Require PHP - If Statement PHP - If.Else PHP - Elseif PHP - Switch PHP - Forms PHP - Functions PHP - Array PHP - While Loop PHP - For Loop PHP - For Each PHP - Do While PHP - POST & GET PHP - Magic Quotes PHP - htmlentities PHP Files PHP - File PHP - File Create PHP - File Open PHP - File Close PHP - File Write PHP - File Read PHP - File Delete PHP - File Append PHP - File Truncate PHP - File Upload PHP Strings PHP - strpos PHP - str_replace PHP - substr_replace PHP - Capitalization PHP - explode PHP - implode PHP Advanced PHP - Date PHP - Session PHP - Cookies Miscellaneous XML Tutorial Webhost Tutorial Flash Tutorial SEO Tutorial Scripting Javascript Tutorial PHP Tutorial Perl Tutorial Ajax Tutorial ASP Tutorial VBScript Tutorial Web Tutorials Beginner Tutorial HTML Tutorial CSS Tutorial
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