Type Comparison There are two types of comparison: loose comparison with == and strict comparison with===. Strict comparison ensures both the type and value of both sides of the operator …Devamını Oku..
Single Line Comments The single line comment begins with “//” or “#”. When encountered, all text to the right will be ignored by the PHP interpreter. // This is a …Devamını Oku..
Defining constants Constants are created using the const statement or the define function. The convention is to use UPPERCASE letters for constant names Define constant using explicit values const PI …Devamını Oku..
To build a dynamic and interactive PHP program, it is useful to output variables and their values. The PHP language allows for multiple methods of value output. This topic covers …Devamını Oku..
Variable scope refers to the regions of code where a variable may be accessed. This is also referred to as visibility. InPHP scope blocks are defined by functions, classes, and …Devamını Oku..
Chapter 2: VariablesAccessing A Variable Dynamically By Name (Variable variables)Variables can be accessed via dynamic variable names. The name of a variable can be stored in another variable, allowing it …Devamını Oku..
PHP 7.xVersion Supported Until Release Date7.1 2019-12-01 2016-12-017.0 2018-12-03 2015-12-03PHP 5.xVersion Supported Until Release Date5.6 2018-12-31 2014-08-285.5 2016-07-21 2013-06-205.4 2015-09-03 2012-03-015.3 2014-08-14 2009-06-305.2 2011-01-06 2006-11-025.1 2006-08-24 2005-11-245.0 2005-09-05 2004-07-13PHP 4.xVersion …Devamını Oku..
Nonlocal Variables Python 3.x Version ≥ 3.0Python 3 added a new keyword called nonlocal. The nonlocal keyword adds a scope override to the inner scope. You can read all about …Devamını Oku..
Python operators have a set order of precedence, which determines what operators are evaluated first in apotentially ambiguous expression. For instance, in the expression 3 * 2 + 7, first …Devamını Oku..
‘and’ and ‘or’ are not guaranteed to return a boolean When you use or, it will either return the first value in the expression if it’s true, else it will …Devamını Oku..