How to convert English to lowercase by php

This article mainly introduces how to convert English to lowercase by php. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

Php to achieve lowercase English methods: 1, use the lcfirst () function to make the first letter of the first English word lowercase; 2, through the strtolower () function to make all letters lowercase.

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

How to convert English to lowercase with php?

The first word is lowercase: lcfirst ()

The code is as follows:

All letters are lowercase: strtolower ()

The strtolower () function converts the string to lowercase, and the syntax is "strtolower (string)".

Note: this function is binary safe.

Related introduction:

The first letter of each word is converted to uppercase: ucwords ()

The code is as follows:

The first letter of the first word is capitalized: ucfirst ()

The code is as follows:

All letters are capitalized: strtoupper ()

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