I am trying to use the following code to check if the current URL is within an array.
$reactfulPages = array(
'url-one',
'url-two',
'url-three',
);
if (strpos($url, $reactfulPages) == true) {
echo "URL is inside list";
}
I think the way I have set up the array is incorrect as the following code (checking for one URL) works fine..
if (strpos($url,'url-one') == true) { // Check if URL contains "landing-page"
}
Can anyone help me out?
The array is fine, the functions to check is not the right way. The strpos() function is for checking the string position(s).
The right way to check if something is in your array you can use the in_array() function.
<?php
$reactfulPages = array(
'url-one',
'url-two',
'url-three',
);
if(in_array($url, $reactfulPages)) {
echo "The URL is in the array!";
// Continue
}else{
echo "The URL doesn't exists in the array.";
}
?>
I hope this will work for you.
The function strpos() looks for a substring within a string, and returns the the position of the substring if it is found. That is why your last example works.
If you want to check whether something exists in an array, you should use the in_array() function, like so:
$reactfulPages = array(
'url-one',
'url-two',
'url-three',
);
if (in_array($url, $reactfulPages) == true) {
echo "URL is inside list";
}
However, since you're comparing URL's, I'm assuming you want to check whether the URL contains one of the strings from the array, not necessarily matching them as a whole. In this case, you will need to write your own function, which could look like this:
function contains_any($string, $substrings) {
foreach ($substrings as $match) {
if (strpos($string, $match) >= 0) {
// A match has been found, return true
return true;
}
}
// No match has been found, return false
return false;
}
You can then apply this function to your example:
$reactfulPages = array(
'url-one',
'url-two',
'url-three',
);
if (contains_any($url, $reactfulPages)) {
echo "URL is inside list";
}
Hope this helps.
