PHP

php find string in string

$pos = strpos("find the position of X in here", "X");

find substring in string php

pos = strpos($current_url, "workspace/detail/live-streaming/service") 
=> if pos > 0 found with the current position pos 
=> if pos < 0 not found
=> if pos = 0 => found with current position = 0;
  

find substring php

$a = 'How are you?';
$search = 'are y';
if(preg_match("/{$search}/i", $a)) {
    echo 'true';
}