Online PHP editor | output for 7tQ9D

@ 2017-07-08T12:29:13Z

<?php

$string = 'Date: 2017-07-06 14:37:22 Name: BTC - amount: 0.01106513 - earned: 0.00000001 - rate: 35%
Date: 2017-07-06 14:37:21 Name: BTC - amount: 0.08750203 - earned: 0.00000005 - rate: 35%
Date: 2017-07-06 14:30:52 Name: BTC - amount: 0.09555558 - earned: 0.00015358 - rate: 34.49%';

$lines = explode(PHP_EOL, $string);

$days = [];
foreach($lines as $line) {
    $match = preg_match('/Date\:\s([0-9]+\-[0-9]+\-[0-9]+)\s([^\s]+)\sName\:\s([a-zA-Z0-9]+)\s\-\samount\:\s([0-9\.]+)\s\-\searned\:\s([0-9\.]+)\s\-\srate\:\s([0-9\.\%]+)/i', $line, $matches);
    print_r($matches);
    $date = $matches[1];
    $time = $matches[2];
    $name = $matches[3];
    $amount = $matches[4];
    $earned = $matches[5];
    $rate = $matches[6];
    
    if(!isset($days[$date])) {
        $days[$date] = [];
    }
    
    $days[$date][] = [
        'date' => $date,
        'name' => $name,
        'amount' => $amount,
        'earned' => $earned,
        'rate' => $rate,
        'time' => $time
    ];
}

print_r($days);

eol versions

Output for 5.6.30, hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.2.9: Array ( [0] => Date: 2017-07-06 14:37:22 Name: BTC - amount: 0.01106513 - earned: 0.00000001 - rate: 35% [1] => 2017-07-06 [2] => 14:37:22 [3] => BTC [4] => 0.01106513 [5] => 0.00000001 [6] => 35% ) Array ( [0] => Date: 2017-07-06 14:37:21 Name: BTC - amount: 0.08750203 - earned: 0.00000005 - rate: 35% [1] => 2017-07-06 [2] => 14:37:21 [3] => BTC [4] => 0.08750203 [5] => 0.00000005 [6] => 35% ) Array ( [0] => Date: 2017-07-06 14:30:52 Name: BTC - amount: 0.09555558 - earned: 0.00015358 - rate: 34.49% [1] => 2017-07-06 [2] => 14:30:52 [3] => BTC [4] => 0.09555558 [5] => 0.00015358 [6] => 34.49% ) Array ( [2017-07-06] => Array ( [0] => Array ( [date] => 2017-07-06 [name] => BTC [amount] => 0.01106513 [earned] => 0.00000001 [rate] => 35% [time] => 14:37:22 ) [1] => Array ( [date] => 2017-07-06 [name] => BTC [amount] => 0.08750203 [earned] => 0.00000005 [rate] => 35% [time] => 14:37:21 ) [2] => Array ( [date] => 2017-07-06 [name] => BTC [amount] => 0.09555558 [earned] => 0.00015358 [rate] => 34.49% [time] => 14:30:52 ) ) )