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@ 2025-08-08T00:31:35Z

<?php

$font_f = [
    ['font' => 'Poppins', 'lang' => 'Hindi, English', 'weight' => '700, 700i'],
    ['font' => 'Lora', 'lang' => 'Vietnamese, Japanese', 'weight' => '200, 300, 400, 400i'],
    ['font' => 'Noto Sans', 'lang' => 'Punjabi, Latin, Hindi', 'weight' => '200, 200i, 300, 300i, 400, 500'],
    ['font' => 'Lora', 'lang' => 'Greek, Roman, Vietnamese', 'weight' => '400, 400i, 500, 500b'],
];

$result = [];
foreach ($font_f as $row) {
    $f = $row['font'];
    if (!isset($result[$f])) {
        $result[$f] = $row;
        continue;
    }
    // append, split, merge, de-duplicate, sort, join
	foreach(["lang", "weight"] as $col) {
	    $result[$f][$col] .= ', ' . $row[$col];
	    $result[$f][$col] = array_unique(explode(', ', trim($result[$f][$col], ', ')));
	    sort($result[$f][$col]);
	    $result[$f][$col] = implode(', ', $result[$f][$col]);
	}
}
ksort($result);                    // sort rows by font name
var_export(array_values($result)); // print without temporary grouping keys

Output for git.master_jit, git.master: Warning: Module "Zend OPcache" is already loaded in Unknown on line 0 Warning: Zend OPcache: module registration failed! in Unknown on line 0 array ( 0 => array ( 'font' => 'Lora', 'lang' => 'Greek, Japanese, Roman, Vietnamese', 'weight' => '200, 300, 400, 400i, 500, 500b', ), 1 => array ( 'font' => 'Noto Sans', 'lang' => 'Punjabi, Latin, Hindi', 'weight' => '200, 200i, 300, 300i, 400, 500', ), 2 => array ( 'font' => 'Poppins', 'lang' => 'Hindi, English', 'weight' => '700, 700i', ), )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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