How to convert multiple strings into an array in php

Steps to convert multiple strings into an array: 1. Use the string splicing character "." to splice multiple strings into one string. Use spaces " " to separate each string. The syntax is " $str=$str1." ".$str2." ".$str3." ".$str4....;"; 2. Use the explode() function to split the string with the space " " as the delimiter. It can be several substrings, and these substrings can be combined into an array. The syntax is "explode(" ",$str)".

The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer

In PHP, you can use string splicing characters "." and the explode() function to convert multiple strings into an array.

Implementation idea:

• First use the string splicing character "." to splice multiple strings into one string

• Then use the explode() function to convert the spliced ​​string into an array

Implementation steps:

1. Use the string splicing character "." to concatenate multiple strings into one string, and use spaces " " to separate each string

<?php
header("Content-type:text/html;charset=utf-8");
$str1="AAA";
$str2="BBB";
$str3="CCC";
$str4="DDD";
var_dump($str1);
var_dump($str2);
var_dump($str3);
var_dump($str4);
$str=$str1." ".$str2." ".$str3." ".$str4;
var_dump($str);
?>

2. Use explode () function converts the spliced ​​string into an array

Use the explode() function with the space " " as the delimiter to split the string into several substrings and combine these substrings into an array

<?php
header("Content-type:text/html;charset=utf-8");
$str1="AAA";
$str2="BBB";
$str3="CCC";
$str4="DDD";
$str=$str1." ".$str2." ".$str3." ".$str4;
var_dump($str);

$arr=explode(" ",$str);
var_dump($arr);
?>

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