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run code in 150+ php & hhvm versions
Bugs & Features
<?php $sql = array(array('id' => 0, 'nom' => 'A', 'temp' => 1.1, 'autre' => 0), array('id' => 1, 'nom' => 'A', 'temp' => 2.1, 'autre' => 10), array('id' => 2, 'nom' => 'A', 'temp' => 3.1, 'autre' => 20), array('id' => 3, 'nom' => 'B', 'temp' => 4.1, 'autre' => 30), array('id' => 4, 'nom' => 'C', 'temp' => 5.1, 'autre' => 40), array('id' => 5, 'nom' => 'B', 'temp' => 6.1, 'autre' => 50), array('id' => 6, 'nom' => 'A', 'temp' => 7.1, 'autre' => 60)); $final = array(); foreach ($sql as $s) if(in_array($s['nom'], $final)) { if(!is_array($final[$s['nom']]['data'])) $final[$s['nom']]['data'] = array(); array_merge((array)$final[$s['nom']], array('data')); array_push($final[$s['nom']]['data'], $s['temp']); } else array_push($final, $s['nom']); print_r($final);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: A in /in/3PMlU on line 12 Notice: Undefined index: B in /in/3PMlU on line 12 Array ( [0] => A [A] => Array ( [data] => Array ( [0] => 2.1 [1] => 3.1 [2] => 7.1 ) ) [1] => B [2] => C [B] => Array ( [data] => Array ( [0] => 6.1 ) ) )
Output for 4.3.0 - 5.2.17
Notice: Undefined index: A in /in/3PMlU on line 12 Notice: Undefined index: B in /in/3PMlU on line 12 Array ( [0] => A [A] => Array ( [data] => Array ( [0] => 2.1 [1] => 3.1 [2] => 7.1 ) ) [1] => B [2] => C [B] => Array ( [data] => Array ( [0] => 6.1 ) ) )