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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); return usort($tags, function($tag1, $tag2) { if ($flipped[$tag1->id]<$flipped[$tag2->id]) return -1; else if ($flipped[$tag1->id]==$flipped[$tag2->id]) return 0; else return 1; }); } class Tag { public $id; function __construct($id) { $this->id=$id; } } $rtags=test(); foreach ($rtags as $tag) echo $tag->id." ";
Output for 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: foreach() argument must be of type array|object, true given in /in/pDv7P on line 32
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on null in /in/pDv7P on line 17 Warning: foreach() argument must be of type array|object, true given in /in/pDv7P on line 32
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 16 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 16 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Undefined variable $flipped in /in/pDv7P on line 17 Warning: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: foreach() argument must be of type array|object, bool given in /in/pDv7P on line 32
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Trying to access array offset on value of type null in /in/pDv7P on line 17 Warning: Invalid argument supplied for foreach() in /in/pDv7P on line 32
Output for 7.3.32 - 7.3.33
Warning: Invalid argument supplied for foreach() in /in/pDv7P on line 32
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Warning: Invalid argument supplied for foreach() in /in/pDv7P on line 32
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 16 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Notice: Undefined variable: flipped in /in/pDv7P on line 17 Warning: Invalid argument supplied for foreach() in /in/pDv7P on line 32
preferences:
152.55 ms | 404 KiB | 226 Q