Find the occurences of a substring in string using php?

Question

I need to count the number of occurences of the substring in a string.

my code like,

$str1 = "when he arrives, he want to open the door.";
$find_str = "he";

here the string "he" is occured 4 times.

how can i find it in php?..

Answer 1

使用substr_count ：

substr_count($str1, $find_str)

Answer 2

Make use of the substr_count php function.

Solution:

$str1 = "when he arrives, he want to open the door.";
$find_str = "he";

substr_count($str1, $find_str);

Answer 3

echo substr_count($str1, $find_str);