(PHP 4 , PHP 5)

substr_count -- Count the number of substring occurrences


int substr_count ( string haystack, string needle)

substr_count() returns the number of times the needle substring occurs in the haystack string. Please note that needle is case sensitive.

Esempio 1. substr_count() example

echo substr_count("This is a test", "is"); // prints out 2

See also count_chars(), strpos(), substr(), and strstr().