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<?php function by_tag($things) { $sorted = array(); foreach ($things as $thing) { $thing['title'] = "new title"; # this works! $thing['size'] = 100; # this doesn't work, it keeps the old value. array_push($sorted, $thing); } return $sorted; } $unsorted = array( array('foo' => 'bar1', 'size' => 1, 'title' => 'changeme1'), array('foo' => 'bar2', 'size' => 2, 'title' => 'changeme2'), array('foo' => 'bar3', 'size' => 3, 'title' => 'changeme3'), array('foo' => 'bar4', 'size' => 4, 'title' => 'changeme4'), array('foo' => 'bar5', 'size' => 5, 'title' => 'changeme5') ); var_dump(by_tag($unsorted));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(5) { [0]=> array(3) { ["foo"]=> string(4) "bar1" ["size"]=> int(100) ["title"]=> string(9) "new title" } [1]=> array(3) { ["foo"]=> string(4) "bar2" ["size"]=> int(100) ["title"]=> string(9) "new title" } [2]=> array(3) { ["foo"]=> string(4) "bar3" ["size"]=> int(100) ["title"]=> string(9) "new title" } [3]=> array(3) { ["foo"]=> string(4) "bar4" ["size"]=> int(100) ["title"]=> string(9) "new title" } [4]=> array(3) { ["foo"]=> string(4) "bar5" ["size"]=> int(100) ["title"]=> string(9) "new title" } }

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