Answers for "check letter exist in string php"

check if string contains character php

// this method is new with PHP 8 and above
$haystack = "Damn, I wonder if this string contains a comma.";
if (str_contains($haystack, ",")) {
	echo "There is a comma!!";
}

check exist string in string php

$myString = 'Hello Learn Tech Tips (Zidane)?';
if (strpos($myString, 'Zidane') !== false) {
    echo "This string contains Zidane";
}

if exists in string php

if (strpos($search, ' -') !== false) {
  echo 'There is exclude pattern "-" in search expression';
}