how to check characters contain in string php code example

Example 1: php check if string contains a char

$haystack = 'This is my haystack that we shall check'
$has_A = strpos($haystack, 'A') !== false;
$has_a = strpos($haystack, 'a') !== false;

Example 2: How do I check if a string contains a specific word php

$a = 'How are you?';

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

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Php Example

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