Issue #3269670 by DamienMcKenna, sd123: Trimming even trims metatags shorter than the limit.

  Arg #2 ($subject) must be of type string, array given in preg_match_all().

#3258358 by Eugene Bocharov, sashken2, DamienMcKenna, modernrockstar: Empty

  values saved in 'mask_icon' meta tag.

#3269670 by DamienMcKenna, sd123: Trimming even trims metatags shorter than the

  limit.

Metatag 8.x-1.19, 2022-01-06

   *   The trimmed string.

   */

  public function trimBeforeValue($string, $maxlength) {

    // If the string is shorter than the max length then skip the rest of the

    // logic.

    if ($maxlength > strlen($string)) {

      return $string;

    }

    $subString = substr($string, 0, $maxlength + 1);

    if (' ' === substr($subString, -1)) {

      return trim($subString);

    $this->assertEquals($trimResult3, 'Test');

    $trimResult4 = $this->metatagTrimmer->trimAfterValue('Test 123 123', 10);

    $this->assertEquals('Test 123 123', $trimResult4);

    $trimResult5 = $this->metatagTrimmer->trimBeforeValue('Test 123 123', 20);

    $trimResult5 = $this->metatagTrimmer->trimAfterValue('Test 123 123', 20);

    $this->assertEquals('Test 123 123', $trimResult5);

  }