Php string search for the last occurrence location of a character

Php string search for the last occurrence location of a character

$ Str = 'http: // bbs.it-home.org phper, php learning _ php Technology _ php website construction _ php programmers focus on php technology research and learning _ character appearance Times '; Echo substr_count ($ str, 'php ').' '; Echo substr_count ($ str, 'H ').' '; Echo substr_count ($ str, 'php programmer '); ?> Output result: 531 link: Php string lookup function (strrpos and strchr) Php string search functions strstr () and strrchr () instances