php if string contains word 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: contains php

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

Example 4: string contains php

$a = 'How are you?';

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

Example 5: php check if string contains

// returns true if $needle is a substring of $haystack
function contains($haystack, $needle){
    return strpos($haystack, $needle) !== false;
}

Example 6: 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!!";
}