Answers for "how to check if is string in php"

check exist string in string php

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

php check string

// if you want to test content of a string to match a model

//You should use a regex filter with preg_match who returns 1 or 0

// this filter works for most of cases

/* use this regex */ preg_match("/^[a-z ,.'-]+$/i", your_string);

if you want more regex filters you can make yours on 'https://regex101.com/'