How php removes the first two characters of a string

This article introduces the knowledge of "how php removes the first two characters of a string". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Php methods to remove the first two characters of the string: 1, use the substr () function, syntax "substr ($str, 2)"; 2, use the substr_replace () function, syntax "substr_replace ($str,'', 0 str 2)".

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

Php removes the first two characters of the string

1. Use the substr () function

The substr () function can intercept a certain length of characters from a specified position in a string, return the extracted part of the string, return FALSE if it fails, or return an empty string.

2. Use the substr_replace () function

The substr_replace () function replaces part of a string with another string.

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