البحث في النصوص بإستخدام str_contains

<?php

var_export(str_contains("Learn PHP", "PHP"));
echo "
";
var_export(str_contains("Learn PHP", "php"));

true
false

<?php

var_export(str_starts_with("lesson.php", "lesson"));
echo "
";
var_export(str_ends_with("lesson.php", ".php"));

true
true