How to convert numbers into array in php

php method to convert numbers into arrays: 1. Create a PHP sample file; 2. Define a string containing numbers; 3. Pass "for($i=0;$i

The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

How to convert numbers into arrays in php?

PHP Convert the numbers in the string into an array

$str ='现在是2019年11月18日下午17点25分';
$result='';
$arr=[];
for($i=0;$i<strlen($str);$i++){
    if(is_numeric($str[$i])){
        $result.=$str[$i];
    }else{
        if($result!="") {
            $arr[] = $result;
            $result="";
        }
    }
}

Print data:

　　Array
　　(
　　　　[0] => 2019
　　　　[1] => 11
　　　　[2] => 18
　　　　[3] => 17
　　　　[4] => 25
　　)

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