How to remove some substrings from a string by php

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In php, you can use the str_replace () function to remove multiple specified substrings from a string by setting the first argument of the function to an array containing multiple values and the second parameter to an empty character; the syntax "str_replace (array,'', $str)" replaces multiple substrings with empty characters.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use the str_replace () function to remove multiple specified substrings from a string.

The str_replace (find,replace,string,count) parameter is required to describe find. Specifies the value to look for. Replace is required. Specifies the value that replaces the value in find. String is required. Specifies the string to be searched. Count is optional. A variable that counts the number of substitutions.

In general, the str_replace () function searches for only one value and replaces it with the specified value.

However, you only need to set the first parameter of the function, find, to an array containing multiple search values, and the second parameter to an empty character to remove multiple specified substrings from the string.

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