php substr_count() function
Translation results：
UK[kaʊnt] US[kaʊnt]
n.Total number; count; charges; argument
v. Count; calculate the total; count...; important
Third person singular: counts Plural: counts Present participle: counting Past tense: counted Past participle: counted
php substr_count() functionsyntax
Function:Count the number of times a string appears in another string
Syntax: substr_count(string,substring,start,length)
Parameters:
| Description | |
| Required. Specifies the string to be checked. | |
| Required. Specifies the string to search for. | |
| Optional. Specifies where in the string to begin the search. | |
| Optional. Specifies the length of the search. |
Description: Calculate the number of times a substring appears in a string. Substrings are case-sensitive. This function does not count overlapping substrings. This function generates a warning if the start parameter plus the length parameter is greater than the string length.
php substr_count() functionexample
<?php
echo substr_count("I love php.I'm study in php.cn","php");
?>Run instance»
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Output:
2
<?php $str = "This is php.cn test"; echo substr_count($str,"is",3,9); ?>
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Output:
1