I'm using this solution for searching phrases in wordpress. The function is this
function excerpt($text, $phrase, $radius = 100, $ending = "...") {
$phraseLen = strlen($phrase);
if ($radius < $phraseLen) {
$radius = $phraseLen;
}
$phrases = explode (' ',$phrase);
foreach ($phrases as $phrase) {
$pos = strpos(strtolower($text), strtolower($phrase));
if ($pos > -1) break;
}
$startPos = 0;
if ($pos > $radius) {
$startPos = $pos - $radius;
}
$textLen = strlen($text);
$endPos = $pos + $phraseLen + $radius;
if ($endPos >= $textLen) {
$endPos = $textLen;
}
$excerpt = substr($text, $startPos, $endPos - $startPos);
if ($startPos != 0) {
$excerpt = substr_replace($excerpt, $ending, 0, $phraseLen);
}
if ($endPos != $textLen) {
$excerpt = substr_replace($excerpt, $ending, -$phraseLen);
}
return $excerpt;
}
The thing is, since wordpress 4.0 this stopped working, and I'm getting Warning: strpos(): Empty needle
warning.
I've tried with checking the $pos
if it's empty, null, etc. Also with $text
and $phrase
, but no luck.
Anyone has a solution to this problem?
EDIT: The answer by VolkerK is ok, but I'd like to search not to return an error so I went with:
if(empty($phrase)){
return;
}
In the beginning of the function. Works fine. :D