PHP built-in function usage examples_PHP tutorial

Examples of usage of php built-in functions

This article mainly introduces the usage of php built-in functions. The examples analyze the calling methods and usage techniques of php built-in functions, which has certain reference For reference value, friends in need can refer to it

The examples in this article describe the usage of PHP built-in functions. Share it with everyone for your reference. The specific analysis is as follows:

In PHP, you can embed a function inside the function, and the calling scope is limited to the function itself

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function msg() { echo(" Displaying even numbers "); function displayeven() { $ctr=0; echo(""); for($i=2;$i<=100;$i =2) { echo("$i "); $ctr ; if($ctr==0) { echo(" "); } } echo(""); } } msg(); displayeven(); ?>

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<🎜>function msg()<🎜> <🎜>{<🎜> <🎜>echo("

Displaying even numbers

"); function displayeven() { $ctr=0; echo(""); for($i=2;$i<=100;$i =2) { echo("$i "); $ctr ; if($ctr ==0) { echo("

"); } } echo(""); } } msg(); displayeven(); ?>

I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/971957.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/971957.htmlTechArticlePHP embedded function usage examples This article mainly introduces the usage of php built-in functions and analyzes the php built-in functions with examples. The function calling method and usage skills have certain reference value. Friends who need it...