<?php
$haystack1 = "2349534134345globalguideline16504381640386488129";
$haystack2 = "globalguideline234953413434516504381640386488129";
$haystack3 = "guideline234953413434516504381640386488129ggl";
$pos1 = strpos($haystack1, "globalguideline");
$pos2 = strpos($haystack2, "globalguideline");
$pos3 = strpos($haystack3, "globalguideline");
print("pos1 = ($pos1); type is " . gettype($pos1) . "
");
print("pos2 = ($pos2); type is " . gettype($pos2) . "
");
print("pos3 = ($pos3); type is " . gettype($pos3) . "
");
?>
This script will print:
pos1 = (13); type is integer
pos2 = (0); type is integer
pos3 = (); type is boolean
"pos3" shows strpos() can return a Boolean value