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December 16, 2015 10:39
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Esse método receber um value do tipo String no formato 1mb 1m 1MB, GB,KB,TB e transforma em uma cadeia de bytes. desconverte Megabyte (Mb), Gigabyte (Gb), Terabyte (Tb) para Kilobyte (Kb); $out = $this->getSizeBytes('1MB');
echo $out;
1048576
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public function getSizeBytes($value){ | |
$BYTES = 1024; | |
$mb = array('mb','m'); | |
$kb = array('k','kb'); | |
$gb = array('g','gb'); | |
$tb = array('t','TB'); | |
$formts = array_merge($kb, $mb, $gb, $tb); | |
$greatness = is_string(substr($value, -2, 2)) ? substr($value, -2, 2) : substr($value, -1, 1) ; | |
$size = str_replace($formts,'',$value); | |
switch ($greatness) { | |
case in_array(strtolower($greatness), $mb): | |
return (floatval($size) * pow($BYTES, 2)); | |
break; | |
case in_array(strtolower($greatness), $kb): | |
return (floatval($size) * $BYTES); | |
break; | |
case in_array(strtolower($greatness), $gb): | |
return (floatval($size) * pow($BYTES, 3)); | |
break; | |
case in_array(strtolower($greatness), $gb): | |
return (floatval($size) * pow($BYTES, 4)); | |
break; | |
default: | |
return $value; | |
break; | |
} | |
} |
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