php is string contains code example

Example 1: php check if string contains word

$myString = 'Hello Bob how are you?';
if (strpos($myString, 'Bob') !== false) {
    echo "My string contains Bob";
}

Example 2: php chech if string contains

$a = 'How are you?';

if (strpos($a, 'are') !== false) {
    echo 'true';
}

Example 3: php string contains

$mystring = 'abc';
$findme   = 'a';
$pos = strpos($mystring, $findme);

Example 4: strpos

strpos ( string $haystack , mixed $needle [, int $offset = 0 ] ) : int