Check if a String Contains a Substring in PHP code example

Example 1: Check if a String Contains a Substring in PHP

phpCopy<?php
$mystring = "This is a PHP program.";

if (strpos($mystring, "program.") !== false) {
    echo("True");
}
?>

Example 2: Check if a String Contains a Substring in PHP

phpCopy<?php
$mystring = "This is a php program.";
$search = "a";
if(preg_match("/{$search}/i", $mystring)) {
    echo "True"; } else {
    echo("False");
}
?>

Example 3: Check if a String Contains a Substring in PHP

phpCopy<?php
$mystring = "This is a PHP program.";

if (strpos($mystring, "PHP", 13) !== false) {
    echo("True");
} else {
    echo("False");
}
?>

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Misc Example

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