<?php
$data = [
'ON' => [
[
'Indicador_fk' => 115,
'Indicador_Nome' => 'Exemplo 1',
'Pa_fk' => 1,
'Pa_Nome' => 'Exemplo 1'
],
[
'Indicador_fk' => 115,
'Indicador_Nome' => 'Exemplo 2',
'Pa_fk' => 2,
'Pa_Nome' => 'Exemplo 2'
],
[
'Indicador_fk' => 115,
'Indicador_Nome' => 'Exemplo 3',
'Pa_fk' => 3,
'Pa_Nome' => 'Exemplo 3'
],
[
'Indicador_fk' => 116,
'Indicador_Nome' => 'Exemplo 1',
'Pa_fk' => 1,
'Pa_Nome' => 'Exemplo 1'
],
[
'Indicador_fk' => 116,
'Indicador_Nome' => 'Exemplo 2',
'Pa_fk' => 2,
'Pa_Nome' => 'Exemplo 2'
]
]
];
$groupedByFk = [];
foreach ($data['ON'] as $item) {
$groupedByFk[$item['Pa_fk']][] = $item;
}
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