strrchr

strrchr

Find the last occurrence of a character in a string

 **strrchr** string $haystack string $needle bool $before_needle

This function returns the portion of which starts at the last occurrence of and goes until the end of . haystack``needle``haystack

haystackThe string to search in

needle If contains more than one character, only the first is used. This behavior is different from that of . needle``strstr

before_needle If true, returns the part of the before the last occurrence of the (excluding the needle). strrchr``haystack``needle

This function returns the portion of string, or false if is not found. needle

Voorbeeld: example

<?php
$ext = strrchr('somefile.txt', '.');
echo "file extension: $ext \n";
$ext = $ext ? strtolower(substr($ext, 1)) : '';
echo "file extension: $ext";
?>

file extension: .txt
file extension: txt

strstr``strrpos