PHP array and string related functions

This article mainly introduces the functions related to PHP arrays and strings. It has certain reference value. Now I share it with you. Friends in need can refer to it

1 explode(" delimiter", string) splits the string according to the delimiter and returns an array.

$str ="1,2,3,4,5,6,7,8,9";
$new_arr = explode(',',$str);
var_dump($new_arr);

2 implode("connector",$array name); Use the connector to connect the array elements in the array and return a string.

$arr =[];
$arr[] =1;
$arr[] =2;
$arr[] =3;
$arr[] =4;
$arr[] =5;
$arr[] =6;
$str = implode(',',$arr);var_dump($str);

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