<?php
    /*===
        playing with more PHP expressions

        run this using:
        php cli-expr-play.php
    ===*/
?>

PHP type of 42:     <?= gettype(42) ?>    <--
can you do this?    <?= var_dump(42) ?>   <--
PHP type of 4.2:    <?= gettype(4.2) ?>   <--
PHP type of "moo":  <?= gettype("moo") ?> <--
PHP type of 'moo':  <?= gettype('moo') ?> <--
PHP type of true:   <?= gettype(true) ?>  <--

Is 42 an int?         <?= is_int(42) ?> <--
Is 4.2 an int?        <?= is_int(4.2) ?> <--
Is 4.2 a float?       <?= is_float(4.2) ?> <--
does is_double exist? <?= is_double(4.2) ?> <--
is true a bool?       <?= is_bool(true) ?> <--
is "moo" a string?    <?= is_string("moo") ?> <--
is 'moo' a string?    <?= is_string('moo') ?> <--

<?php
    $welcome = "Hello!";
?>

Here is my greeting to you: <?= $welcome ?> !!