function parse_size in Drupal 7

Same name and namespace in other branches

1. 5 includes/common.inc \parse_size()
2. 6 includes/common.inc \parse_size()

Parses a given byte count.

Parameters

$size: A size expressed as a number of bytes with optional SI or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8 bytes, 9mbytes).

Return value

An integer representation of the size in bytes.

Related topics

7 calls to parse_size()

color_scheme_form_submit in modules/color/color.module

Form submission handler for color_scheme_form().

CommonSizeTestCase::testCommonParseSize in modules/simpletest/tests/common.test

Check that parse_size() returns the proper byte sizes.

CommonSizeTestCase::testCommonParseSizeFormatSize in modules/simpletest/tests/common.test

Cross-test parse_size() and format_size().

drupal_check_memory_limit in includes/bootstrap.inc

Compares the memory required for an operation to the available memory.

file_field_widget_upload_validators in modules/file/file.field.inc

Retrieves the upload validators for a file field.

... See full list

File

includes/common.inc, line 1917

Common functions that many Drupal modules will need to reference.

Code

function parse_size($size) {
  $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);

  // Remove the non-unit characters from the size.
  $size = preg_replace('/[^0-9\\.]/', '', $size);

  // Remove the non-numeric characters from the size.
  if ($unit) {

    // Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
    return round($size * pow(DRUPAL_KILOBYTE, stripos('bkmgtpezy', $unit[0])));
  }
  else {
    return round($size);
  }
}