Online PHP editor | perf for j6dZn

@ 2025-05-20T06:52:25Z

<?php
//Пополнить справочник названиями полей.
$fields=[
    4=> ['name'=>'value',   'is_text'=>0],
    6=> ['name'=>'feedback','is_text'=>1],
    11=>['name'=>'city',    'is_text'=>0],
    12=>['name'=>'',        'is_text'=>1] //Причина, по которой не надо ставить ?? вместо ?: при подстановках.
];

$src=[
	[
		'entry_id' => 3,
		'element_id' => 4,
        //Эта строка сериализована криво
		//'value' => 'a:2:{i:2;s:14:"Имя";i:4;s:18:"Фамилия";}'
        'value' => 'a:2:{i:2;s:6:"Имя";i:4;s:14:"Фамилия";}'
	],
	[
		'entry_id' => 3,
		'element_id' => 6,
		'value' => 'Тестовый отзыв'
	],
	[
		'entry_id' => 3,
		'element_id' => 11,
		'value' => 'a:1:{i:2;s:16:"г. Москва";}'
	],
	[
		'entry_id' => 3,
		'element_id' => 12,
		'value' => 'блаблабла'
	],
	
];
$dst = [];
foreach($src as $row){
    //Версия, исключающая появление предупреждения
    //$field=(isset($fields[$row['element_id']]['name']) && $fields[$row['element_id']]['name']) ? $fields[$row['element_id']]['name'] : $row['element_id'];
    
    //Версия, использующая игнорирование предупреждений о несуществующих переменных, но работающая быстрее и читается легче
    $field=$fields[$row['element_id']]['name'] ?: $row['element_id'];
    
    //Искать через in_array пару десятков значений в миллионном цикле - не лучшее решение.
    //$dst[$row['entry_id']][$field] = (in_array($row['element_id'], $text_fields)) ? $row['value'] : unserialize($row['value']);
    $dst[$row['entry_id']][$field] = $fields[$row['element_id']]['is_text'] ? $row['value'] : unserialize($row['value']);
}


print_r($dst);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.5.0	0.013	0.008	20.22
8.4.15	0.003	0.000	14.05
8.4.14	0.016	0.005	17.64
8.4.13	0.012	0.009	17.92
8.4.12	0.012	0.007	20.37
8.4.11	0.012	0.009	18.69
8.4.10	0.006	0.005	17.84
8.4.9	0.004	0.007	17.85
8.4.8	0.010	0.007	19.45
8.4.7	0.039	0.010	17.82
8.4.6	0.040	0.011	17.63
8.4.5	0.039	0.008	17.43
8.4.4	0.042	0.007	17.29
8.4.3	0.042	0.006	17.06
8.4.2	0.042	0.008	17.57
8.4.1	0.046	0.005	17.41
8.3.28	0.014	0.008	18.39
8.3.27	0.011	0.009	16.32
8.3.26	0.003	0.006	16.80
8.3.25	0.009	0.007	18.98
8.3.24	0.006	0.002	16.70
8.3.23	0.010	0.009	16.60
8.3.22	0.011	0.007	16.80
8.3.21	0.035	0.010	16.61
8.3.20	0.032	0.011	16.39
8.3.19	0.028	0.009	16.25
8.3.18	0.028	0.010	16.44
8.3.17	0.034	0.007	16.32
8.3.16	0.034	0.011	16.55
8.3.15	0.043	0.009	16.20
8.3.14	0.045	0.007	16.59
8.3.13	0.033	0.008	16.75
8.3.12	0.032	0.009	16.75
8.3.11	0.034	0.011	16.66
8.3.10	0.036	0.011	16.27
8.3.9	0.035	0.010	16.56
8.3.8	0.037	0.008	16.45
8.3.7	0.025	0.008	16.61
8.3.6	0.028	0.007	16.24
8.3.5	0.037	0.012	16.46
8.3.4	0.042	0.010	17.16
8.3.3	0.031	0.004	17.50
8.3.2	0.032	0.010	17.16
8.3.1	0.028	0.013	17.35
8.3.0	0.014	0.012	17.76
8.2.29	0.006	0.005	19.09
8.2.28	0.031	0.008	16.37
8.2.27	0.033	0.007	16.23
8.2.26	0.032	0.007	16.20
8.2.25	0.026	0.009	16.42
8.2.24	0.022	0.004	16.30
8.2.23	0.031	0.008	16.55
8.2.22	0.012	0.011	16.26
8.2.21	0.026	0.007	16.50
8.2.20	0.025	0.008	16.20
8.2.19	0.029	0.011	16.57
8.2.18	0.031	0.008	16.54
8.2.17	0.037	0.006	17.71
8.2.16	0.044	0.007	17.88
8.2.15	0.039	0.008	17.42
8.2.14	0.039	0.007	17.63
8.2.13	0.031	0.002	17.62
8.2.12	0.035	0.007	17.80
8.2.11	0.036	0.011	17.31
8.2.10	0.030	0.011	17.63
8.2.9	0.036	0.008	17.25
8.2.8	0.037	0.004	17.56
8.2.7	0.033	0.005	17.55
8.2.6	0.035	0.006	17.28
8.2.5	0.033	0.010	17.30
8.2.4	0.031	0.009	17.63
8.2.3	0.035	0.006	17.70
8.2.2	0.019	0.008	17.48
8.2.1	0.014	0.003	17.62
8.2.0	0.015	0.002	17.52

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