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sandisk/gist:51f1eff40e3862970ded

Created June 2, 2014 11:23
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Array wat
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gistfile1.php
<?php
$selected = (array)json_decode('{"1":"2","2":"4","3":"7"}');
var_dump($selected);
// array (size=3)
// '1' => string '2' (length=1)
// '2' => string '4' (length=1)
// '3' => string '7' (length=1)
var_dump(in_array('1', array_keys($selected)));
// true
var_dump(array_key_exists('1', $selected));
// false
var_dump(isset($selected['1']));
// false
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