September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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substr_count
int substr_count(string string, string substring)
Counts the occurrences of a string within another string.
Returns:
Integer
Description:
substr_count() counts the number of times that substring occurs within string . If substring doesn’t occur within string, the function returns 0.
Version:
PHP 4+ since 4.0RC2
See also:
To get detailed statistics on the characters used in a string:
count_chars()
Example:
Simple script to test for “Canadian-ness” in a string
<?php // Don't get yer long-undies in a knot - the author is a Canuck! :) // Set a default value for message $message = ''; // If a message was posted, clean it up if (isset ($HTTP_POST_VARS['message'])) $message = striptags (stripslashes (trim ($HTTP_POST_VARS['message']))); ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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