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How to split the string and take the first few bits in php

2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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Most people don't understand the knowledge points of this article "how to split the first few digits of a string in php", so Xiaobian summarizes the following contents for everyone. The contents are detailed, the steps are clear, and they have certain reference value. I hope everyone can gain something after reading this article. Let's take a look at this article "how to split the first few digits of a string in php".

In PHP, you can use the substr() function to split the first few characters of a string. The function can return a part of the specified string. You can specify where to start splitting and the length to be cut through parameters. The syntax is "substr(string, 0, first few digits)".

Operating environment of this tutorial: Windows 10 system, PHP7.1 version, DELL G3 computer

How does PHP split the first few digits of a string?

The substr() function returns a portion of a string.

Note: If the start argument is negative and length is less than or equal to start, length is 0.

syntax

substr(string,start,length)

The parameter settings are shown in the table below:

Examples are as follows:

Output:

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