hcheck if there specific characters are typed in php code example
Example 1: how to check if a string contains a substring in php
$a = 'How are you?';
if (strpos($a, 'are') !== false) {
echo 'true';
}
Example 2: 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';
}