How php str_replace replaces multiple characters at the same time

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Method: set the first parameter of str_replace () to the array, syntax "str_replace (array, 'replacement value', $str)", you can replace multiple characters with the same specified character; if you want to replace with different specified characters, just set the second parameter to the array, and the number of elements of the two arrays should be the same.

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

Php str_replace replaces multiple characters at the same time

Str_replace () replaces the specific string specified in the original string with a new 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, when the function's first parameter, find, is set to an array type, you can search for a variety of values:

This is to replace multiple characters with the same specified character. If the second parameter replace of the function is also set to the array type, it can be replaced with a different specified character.

Note: at this point, the number of elements in the two arrays should be the same.

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