How to retrieve characters in php

Source: Internet
Author: User
Tags php tutorial

Use the substr_count () function to retrieve the number of occurrences of a character
Obtains the number of times a specified character appears in a string.
Syntax: substr_count (haystack, needle)
Use the substr_count () function to obtain the number of times a specific character appears in a string. The example is as follows:

<? Php Tutorial
Echo substr_count ("zero php Manual ");
Echo "<br> ";
Echo substr_count ("www.111cn.net", "o ");
Echo "<br> ";
Echo substr_count ("1033114118 & prime;," 1 & prime ;);
?>

Instance result:
1
2
5

Parameters Description
String Required. Specifies the string to be checked.
Replacement Required. Specifies the string to be inserted.
Start Optional. Specifies where to start searching in the string.
Charlist Optional. Specify the length of the search.

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