PHP проверяет, содержит ли строка слово
$myString = 'Hello Bob how are you?';
if (strpos($myString, 'Bob') !== false) {
echo "My string contains Bob";
}
Grepper
$myString = 'Hello Bob how are you?';
if (strpos($myString, 'Bob') !== false) {
echo "My string contains Bob";
}$result = strpos("haystack", "needle");
if ($result != false)
{
// text found
}if (strpos($haystack,$needle) !== false) {
echo "$haystack contains $needle";
}$haystack = 'This is my haystack that we shall check'
$has_A = strpos($haystack, 'A') !== false;
$has_a = strpos($haystack, 'a') !== false;
// returns true if $needle is a substring of $haystack
function contains($haystack, $needle){
return strpos($haystack, $needle) !== false;
}