How to use http interface of other systems in php

file_get_contents() Function Read the entire file into a string.

Same as file(), except that file_get_contents() reads the file into a string.

The file_get_contents() function is the preferred method for reading the contents of a file into a string. If supported by the operating system, memory mapping technology is also used to enhance performance.

This article mainly uses the file_get_contents function to call other systems httpinterface, as follows

Input the interface url and its parameters: such as

$url="http://192.168.1.1/test.jsp?id=1&type=2";
$ret=file_get_contents($url);

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