Han Shunping PHP basic strengthening video tutorial courseware source code recommendation

"Han Shunping's 2016 PHP Basics Enhanced Video Tutorial" is an improvement and sublimation of knowledge points based on "Han Shunping's 2016 PHP Basics Video Tutorial", and a deeper study of PHP knowledge points.

PHP Basic Enhancement Video Course Introduction

Strengthen the basic syntax of PHP, configure the Apache server more deeply and flexibly use the three major process control statements of PHP, master bit operations, and understand binary (original) code, one's complement and one's complement). In addition, functions are a very important knowledge point in our PHP programming and are also the basis for modular programming. Mastering functions well can improve the reusability, readability and maintainability of the code. In project development, arrays are an important data type that connects variables and functions. In MVC development, arrays often need to be assigned to views in the controller for display. In algorithms, arrays are also very flexible in changes. This course The focus is on PHP basics, functions and arrays.

Course broadcast address: http://www.php.cn/course/451.html

The teacher’s teaching style :

The teacher’s lectures are vivid, witty, witty and touching. A vivid metaphor is like the finishing touch, opening the door to wisdom for students; an appropriate humor brings a knowing smile to students, like drinking a glass of mellow wine, giving people aftertaste and nostalgia; a philosopher's aphorisms, cultural references Proverbs are interspersed from time to time in the narration, giving people thinking and warning.

The more difficult part in this video is the variable function:

php supports the concept of variable function. This means that if there are parentheses after a variable name, php will look for a function with the same name as the variable's value and will try to execute it. Among other things, this can be used to implement callback functions, function tables, etc. [1] .

Variable functions cannot be used in language structures such as echo(), print(), unset(), isset(), empty(), include(), require() and similar statements. Your own shell function is required to use these structures as variable functions.

<?php
function foo()
{
echo "In foo()<br>/n";
}
function bar($arg = &#39;&#39;)
{
echo "In bar(); argument was &#39;$arg&#39;.<br>/n";
}
// This is a wrapper function around echo
function echoit($string)
{
echo $string;
}
$func = &#39;foo&#39;;
$func(); // This calls foo()
$func = &#39;bar&#39;;
$func(&#39;test&#39;); // This calls bar()
$func = &#39;echoit&#39;;
$func(&#39;test&#39;); // This calls echoit()
?>

Here we also recommend the download of source code resources: http://www.php.cn/xiazai/learn/2122

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