Strings & Patterns Learning Mode
Qusetions Index 141/158
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The requirement is to return true for the case in which a string $str contains another string $substr after the first character of $str? Which of the following will return true when string $str contains string $substr, but only after the first character of $str?
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<?php function test($str, $substr) { return strpos(substr($str,1), $substr) >= 0; } ?> -
<?php function test($str, $substr) { return strrchr($str, $substr) !== false; } ?> -
<?php function test($str, $substr) { return strpos($str, $substr) > 0; } ?>
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