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<?php function test() { $orderedids=array(7, 9, 5, 3); $tags=array( new Tag(3), new Tag(7), new Tag(5), new Tag(9) ); $flipped=array_flip($orderedids); class Sorter { public $flipped; function __construct($flipped) { $this->flipped=$flipped; } function fsort($tag1, $tag2) { if ($this->flipped[$tag1->id]<$this->flipped[$tag2->id]) return -1; else if ($this->flipped[$tag1->id]==$this->flipped[$tag2->id]) return 0; else return 1; } } $sorter=new Sorter($flipped); usort($tags, array($sorter, "fsort")); return $tags; } class Tag { public $id; function __construct($id) { $this->id=$id; } } $rtags=test(); foreach ($rtags as $tag) echo $tag->id." ";
Output for 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.32, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
7 9 5 3
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/SUZs2</b> on line <b>16</b><br />
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/SUZs2</b> on line <b>16</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/SUZs2</b> on line <b>16</b><br />
Process exited with code 255.

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