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53 changes: 53 additions & 0 deletions src/data_types.php
Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
<?php

function convert_to_int($input) {
if (settype($input, "int")) {
return $input;
} else {
return 0;
}
}

function convert_to_float($input) {
if (settype($input, "float")) {
return $input;
} else {
return 0.0;
}
}

function convert_to_string($input) {
if (is_array($input)) {
return implode(", ", $input);
} elseif (!settype($input, "string")) { //do falsy check
return "";
} else { //return string value
return $input;
}
}

function convert_to_bool($input) {
if (settype($input, "bool")) {
return $input;
} else {
return false;
}
}

function convert_to_array($input) {
if (settype($input, "array")) {
return $input;
} else {
return array();
}
}

function convert_to_null($input) {
if (!$input || $input === 'null') {
return null;
} else {
return $input;
}
}

?>