check if string contains character php 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: how to check if a string contains a substring in php

$a = 'How are you?';

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

Example 4: php find if string contains

if (strpos($string, 'substring') !== false) {
	// do stuff 
}

Example 5: How do I check if a string contains a specific word?

$a = 'Hello world?';

if (strpos($a, 'Hello') !== false) { //PAY ATTENTION TO !==, not !=
    echo 'true';
}
if (stripos($a, 'HELLO') !== false) { //Case insensitive
    echo 'true';
}

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!!";
}