Online PHP editor | perf for l0bMp

<?php function rpi_getRpiRevision($match) { $revision = array(); $revision[2] = array('revision' => '0002', 'model' => 'B', 'pcb' => '1.0', 'memory' => 256, 'manufacturer' => ''); $revision[3] = array('revision' => '0003', 'model' => 'B', 'pcb' => '1.0', 'memory' => 256, 'manufacturer' => ''); $revision[4] = array('revision' => '0004', 'model' => 'B', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Sony'); $revision[5] = array('revision' => '0005', 'model' => 'B', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Qisda'); $revision[6] = array('revision' => '0006', 'model' => 'B', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Egoman'); $revision[7] = array('revision' => '0007', 'model' => 'A', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Egoman'); $revision[8] = array('revision' => '0008', 'model' => 'A', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Sony'); $revision[9] = array('revision' => '0009', 'model' => 'A', 'pcb' => '2.0', 'memory' => 256, 'manufacturer' => 'Qisda'); $revision[13] = array('revision' => '000d', 'model' => 'B', 'pcb' => '2.0', 'memory' => 512, 'manufacturer' => 'Egoman'); $revision[14] = array('revision' => '000e', 'model' => 'B', 'pcb' => '2.0', 'memory' => 512, 'manufacturer' => 'Sony'); $revision[15] = array('revision' => '000f', 'model' => 'B', 'pcb' => '2.0', 'memory' => 512, 'manufacturer' => 'Qisda'); $revision[16] = array('revision' => '0010', 'model' => 'B+', 'pcb' => '1.0', 'memory' => 512, 'manufacturer' => 'Sony'); $revision[17] = array('revision' => '0011', 'model' => 'Compute Module', 'pcb' => '1.0', 'memory' => 512, 'manufacturer' => 'Sony'); $revision[18] = array('revision' => '0012', 'model' => 'A+', 'pcb' => '1.0', 'memory' => 256, 'manufacturer' => 'Sony'); $revision[19] = array('revision' => '0013', 'model' => 'B+', 'pcb' => '1.2', 'memory' => 512, 'manufacturer' => 'Embest'); $revision[20] = array('revision' => '0014', 'model' => 'Compute Module', 'pcb' => '1.0', 'memory' => 512, 'manufacturer' => 'Embest'); $revision[21] = array('revision' => '0015', 'model' => 'A+', 'pcb' => '1.1', 'memory' => 256, 'manufacturer' => 'Embest'); $revision_model = array(0 => 'A', 1 => 'B', 2 => 'A+', 3 => 'B+', 4 => 'Pi 2 B', 5 => 'Alpha', 6 => 'Compute Module', 7 => 'Zero', 8 => 'Pi 3 B', 9 => 'Zero', 10 => 'Compute Module 3'); $revision_memory = array(0 => 256, 1 => 512, 2 => 1024); $revision_manufacturer = array(0 => 'Sony', 1 => 'Egoman', 2 => 'Embest', 3 => 'Sony Japan', 4 => 'Embest'); /* * ###### * |||||+- PCB * ||||+- Model * |||+- Model * ||+- Unknown * |+- Manufacturer * +- Memory */ if (isset($match[1])) { if ($match[1][0] == '1' || $match[1][0] == '2') $match[1] = substr($match[1], 1); if (strlen($match[1]) == 4) return $revision[hexdec($match[1])]; elseif (strlen($match[1]) == 6 && $match[1][0] != 'a' && $match[1][0] != '9') return $revision[hexdec(substr($match[1], -4))]; elseif (strlen($match[1]) == 6) { return array('revision' => $match[1], 'model' => $revision_model[hexdec(substr($match[1], 3, 2))], 'pcb' => '1.'.hexdec(substr($match[1], -1)), 'memory' => $revision_memory[bindec(substr(decbin(hexdec(substr($match[1], 0, 1))), 1))], 'manufacturer' => $revision_manufacturer[hexdec(substr($match[1], 1, 1))]); } } return NULL; } var_dump(rpi_getRpiRevision('a020a0'));

Version	System time (s)	User time (s)	Memory (MiB)
8.3.6	0.018	0.004	16.88
8.3.5	0.012	0.003	16.39
8.3.4	0.015	0.006	18.92
8.3.3	0.012	0.003	18.63
8.3.2	0.004	0.004	20.34
8.3.1	0.000	0.008	21.99
8.3.0	0.004	0.004	17.80
8.2.18	0.006	0.012	16.35
8.2.17	0.009	0.006	22.96
8.2.16	0.007	0.007	20.36
8.2.15	0.004	0.004	24.18
8.2.14	0.004	0.004	24.66
8.2.13	0.008	0.000	19.20
8.2.12	0.005	0.003	26.35
8.2.11	0.003	0.006	19.36
8.2.10	0.009	0.003	18.30
8.2.9	0.004	0.004	19.14
8.2.8	0.000	0.009	18.04
8.2.7	0.007	0.003	17.50
8.2.6	0.008	0.000	18.16
8.2.5	0.009	0.000	18.10
8.2.4	0.004	0.004	20.72
8.2.3	0.004	0.004	19.27
8.2.2	0.003	0.005	18.25
8.2.1	0.004	0.004	18.25
8.2.0	0.007	0.000	18.07
8.1.28	0.008	0.006	25.92
8.1.27	0.004	0.004	22.07
8.1.26	0.005	0.003	26.35
8.1.25	0.005	0.003	28.09
8.1.24	0.009	0.000	22.59
8.1.23	0.013	0.000	17.58
8.1.22	0.000	0.009	17.88
8.1.21	0.004	0.004	18.77
8.1.20	0.000	0.009	17.38
8.1.19	0.008	0.000	17.48
8.1.18	0.004	0.004	18.10
8.1.17	0.003	0.005	18.62
8.1.16	0.000	0.007	19.12
8.1.15	0.004	0.004	20.73
8.1.14	0.003	0.005	19.66
8.1.13	0.003	0.003	18.97
8.1.12	0.003	0.006	17.51
8.1.11	0.004	0.004	17.46
8.1.10	0.009	0.000	17.45
8.1.9	0.000	0.011	17.49
8.1.8	0.000	0.008	17.58
8.1.7	0.003	0.003	17.58
8.1.6	0.003	0.006	17.69
8.1.5	0.008	0.000	17.48
8.1.4	0.003	0.006	17.63
8.1.3	0.008	0.000	17.67
8.1.2	0.004	0.008	17.77
8.1.1	0.004	0.004	17.72
8.1.0	0.000	0.007	17.65
8.0.30	0.004	0.004	18.77
8.0.29	0.004	0.004	16.75
8.0.28	0.007	0.000	18.44
8.0.27	0.005	0.003	17.21
8.0.26	0.004	0.004	16.91
8.0.25	0.007	0.000	16.93
8.0.24	0.005	0.003	17.10
8.0.23	0.000	0.007	16.99
8.0.22	0.000	0.007	16.96
8.0.21	0.003	0.003	16.95
8.0.20	0.000	0.008	16.90
8.0.19	0.005	0.003	16.96
8.0.18	0.000	0.007	16.90
8.0.17	0.000	0.007	16.91
8.0.16	0.004	0.004	17.07
8.0.15	0.000	0.008	17.04
8.0.14	0.007	0.000	16.94
8.0.13	0.006	0.000	13.32
8.0.12	0.003	0.005	16.84
8.0.11	0.003	0.005	16.86
8.0.10	0.004	0.004	17.00
8.0.9	0.000	0.007	16.98
8.0.8	0.005	0.011	17.04
8.0.7	0.004	0.004	16.86
8.0.6	0.000	0.008	16.93
8.0.5	0.000	0.007	16.98
8.0.3	0.008	0.007	17.31
8.0.2	0.012	0.007	17.40
8.0.1	0.005	0.002	17.08
8.0.0	0.009	0.009	16.86
7.4.33	0.003	0.003	15.55
7.4.32	0.003	0.003	16.60
7.4.30	0.003	0.003	16.48
7.4.29	0.003	0.003	16.68
7.4.28	0.000	0.007	16.59
7.4.27	0.003	0.003	16.72
7.4.26	0.000	0.006	13.35
7.4.25	0.007	0.000	16.63
7.4.24	0.007	0.000	16.67
7.4.23	0.007	0.000	16.76
7.4.22	0.008	0.015	16.60
7.4.21	0.009	0.009	16.74
7.4.20	0.004	0.004	16.76
7.4.16	0.010	0.006	16.46
7.4.15	0.006	0.012	17.40
7.4.14	0.015	0.010	17.86
7.4.13	0.012	0.006	16.47
7.4.12	0.011	0.009	16.59
7.3.33	0.000	0.005	13.47
7.3.32	0.000	0.006	13.28
7.3.31	0.007	0.000	16.26
7.3.30	0.004	0.004	16.33
7.3.29	0.003	0.003	16.46
7.3.28	0.009	0.007	16.42
7.3.27	0.007	0.010	17.40
7.3.26	0.009	0.008	16.38
7.3.25	0.012	0.005	16.38
7.3.24	0.011	0.007	16.68
7.0.20	0.004	0.007	16.90