Php substr_count

Source: Internet
Author: User

Substr_count (string, substring, start, length)

Parameter description
String is required. Specifies the string to be checked.
Substring is required. Specifies the string to be retrieved.
Start is optional. Specifies where to start searching in the string.
Length is optional. Specify the length of the search.


The code is as follows: Copy code

<? Php

$ Str = "ni hao, wo jiao wang hui, lai zi an hui chao hu ";

Echo "original string:". $ str. "<br/> ";

$ Str1 = substr_count ($ str, 'I'); // substr_count (): count the number of times a string appears in a function.

Echo "after substr_count () is used:". $ str1. "<br/> ";

$ Str2 = substr_count ($ str, 'I', 6); // substr_count ($ str, 'I', 6): starts statistics from 6th strings, if the number is followed, the number is counted. If no value is added, the default value is the last one.

Echo "after substr_count () is used:". $ str2. "<br/> ";


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