Php method for creating a function from a string, php string function _ PHP Tutorial

Php method for creating a function from a string, php string function. Php: how to create a function from a string. This document describes how to create a function from a string in php. Share it with you for your reference. The details are as follows: php can create a function from a string using the php string function.

This example describes how to create a function from a string in php. Share it with you for your reference. The details are as follows:

In php, you can place the entire function definition in a string for dynamic definition. with the create_function function, you can dynamically create a function based on user input, which is very convenient, the usage of create_function is shown in the following example:

The code is as follows: <? Php
$ Lambda = create_function ('$ a, $ B', 'Return (strlen ($ a)-strlen ($ B ));');
$ Array = array ('really long string here, boys', 'C', 'middling length', 'larger ');
Usort ($ array, $ lambda );
Print_r ($ array );
?>

I hope this article will help you with php programming.

Examples in this article describes how to create a function from a string in php. Share it with you for your reference. The details are as follows...