Online PHP editor | rfc for 5RnUC

@ 2016-06-18T16:09:44Z

<?php

$second_names = ['Cars', 'Bikes', 'Trucks'];
$premiumCatArraySets = [
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Cars',
		'tertiary-category'  => 'Fiat Punto'
	],
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Cars',
		'tertiary-category'  => 'BMW'
	],
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Bikes',
		'tertiary-category'  => 'Honda'
	],
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Trucks',
		'tertiary-category'  => 'Iveco'
	]
	,
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Cars',
		'tertiary-category'  => 'Mercedes'
	]
	,
	[
		'primary-category'   => 'Automobiles',
		'secondary-category' => 'Cars',
		'tertiary-category'  => 'Toyota'
	]
];

$output = [];
foreach($premiumCatArraySets as $key => $value){	
	if(in_array($value["secondary-category"],$second_names)){
		if(!isset($output[$value["secondary-category"]])){
			$output[$value["secondary-category"]]  = [];
		}		 
		$output[$value["secondary-category"]][] = $value["tertiary-category"];
	}
}
foreach($output as $key => $value){	
	echo '<h2>'.$key."</h2>";
		echo implode(",",$value)."<br/>";
}

print_r($output);

Output for git.master, git.master_jit, rfc.property-hooks: <h2>Cars</h2>Fiat Punto,BMW,Mercedes,Toyota<br/><h2>Bikes</h2>Honda<br/><h2>Trucks</h2>Iveco<br/>Array ( [Cars] => Array ( [0] => Fiat Punto [1] => BMW [2] => Mercedes [3] => Toyota ) [Bikes] => Array ( [0] => Honda ) [Trucks] => Array ( [0] => Iveco ) )

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