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35 changes: 35 additions & 0 deletions src/data_types.php
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
<?php

function convert_to_int($input) {
return intval($input);
}

function convert_to_float($input) {
return floatval($input);
}

function convert_to_string($input) {
return strval($input);
if (is_array($input))
return implode(', ',$input);
return is_string((string)$input)?(string)$input:'';
}

function convert_to_bool($input) {
return (bool)$input;
return is_bool((bool)$input)?(bool)$input:false;
}

function convert_to_array($input) {
implode([$input]);
$input = array([$input]);
return $input;
return is_array((array)$input)?(array)$input:[];
}

function convert_to_null($input) {
$input = null;
return $input;
if ($input==='null') $input=null;
return convert_to_bool($input)?$input:null;
}