Online PHP editor | output for WY1kP

@ 2019-12-22T20:32:41Z

<?php

$text = '
    Balthazar - True Love # Maarten Devoldere  
    Adani & Wolf - Let It Go # Daniel Testas  
    Adani & Wolf - Let It Go # Rob Gaasterland  
    Balthazar - True Love # Maarten Devoldere  
    Balthazar - True Love # Jinte Deprez  
    Balthazar - True Love # Name 3 
';

preg_match_all('/^([^#]+)#([^\n]+)/m', trim($text), $matches, PREG_SET_ORDER);

foreach ($matches as $v) {
    $result[trim($v[1])][] = trim($v[2]);
}

foreach ($result as $k => $v){
    echo $k .' # '. join(', ', $v) . PHP_EOL;
}

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Balthazar - True Love # Maarten Devoldere, Maarten Devoldere, Jinte Deprez, Name 3 Adani & Wolf - Let It Go # Daniel Testas, Rob Gaasterland
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 Balthazar - True Love # Maarten Devoldere, Maarten Devoldere, Jinte Deprez, Name 3 Adani & Wolf - Let It Go # Daniel Testas, Rob Gaasterland

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