-
Notifications
You must be signed in to change notification settings - Fork 1
/
example.php
163 lines (147 loc) · 5.79 KB
/
example.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
<?php
/**
* example.php - Image file metadata handing exampe file
*
* @project Holiday\Metadata
* @version 1.1
* @author Claude Diderich (cdiderich@cdsp.photo)
* @copyright (c) 2022 by Claude Diderich
* @license https://opensource.org/licenses/mit MIT
*/
/** Set error handling */
error_reporting(E_ALL);
ini_set('log_errors', false);
ini_set('display_errors', true);
/**
* Automatically load classes
*
* @param string $name Name of class to load
*/
function my__autoload(string $name): void
{
$name = str_replace("\\", '/', str_replace("Holiday\\", '', $name));
if(file_exists("../src/$name.php")) require_once("../src/$name.php");
}
spl_autoload_register('my__autoload');
use \Holiday\Metadata;
/*** EXAMPLE ***/
$testfiles_ary = array('img.example.jpg', 'img.mlexample.jpg');
$exif_data_ary = array(Metadata::IMG_CAMERA_MAKE => 'CAMERA MAKE', Metadata::IMG_CAMERA_MODEL => 'CAMERA MODEL',
Metadata::IMG_CAMERA_SERIAL => 'CAMERA SERIAL', Metadata::IMG_LENS_MODEL => 'LENS MODEL',
Metadata::IMG_COLOR_SPACE_FMT => 'COLOR SPACE', Metadata::IMG_ISO => 'ISO SETTING',
Metadata::IMG_APERTURE_FMT => 'APERTURE', Metadata::IMG_EXPOSURE_FMT => 'EXPOSURE',
Metadata::IMG_FOCAL_LENGTH_FMT => 'FOCAL LENGTH', Metadata::IMG_FLASH_FMT => 'FLASH USED',
Metadata::IMG_SIZE_FMT => 'IMAGE SIZE', Metadata::IMG_RESOLUTION_FMT => 'RESOLUTION',
Metadata::IMG_SOFTWARE => 'SOFTWARE');
/**
* Use of class Metadata
*/
$metadata = new Metadata();
foreach($testfiles_ary as $filename) {
echo "PROCESSING EXAMPLE IMAGE USING \\Holiday\\Metadata CLASS: $filename".PHP_EOL;
echo "---".PHP_EOL;
// Read metadata in a transparent way not extend tagged keywords
$metadata->read($filename, extend: false);
// Read some of the metadata (assuming metadata is available)
$caption = $metadata->get(Metadata::CAPTION, lang: Metadata::LANG_DEFAULT);
$caption_ary = $metadata->get(Metadata::CAPTION, lang: Metadata::LANG_ALL);
$date_created = $metadata->get(Metadata::CREATED_DATETIME);
$credit = $metadata->get(Metadata::CREDIT);
$city = $metadata->get(Metadata::CITY);
$country = $metadata->get(Metadata::COUNTRY);
$keywords = $metadata->get(Metadata::KEYWORDS);
$people = $metadata->get(Metadata::PEOPLE);
$event = $metadata->get(Metadata::EVENT);
if(!empty($caption_ary)) {
echo "CAPTION:".PHP_EOL;
foreach($caption_ary as $lang => $text) {
$lang = substr($lang.' ', 0, 9);
echo " $lang: $text".PHP_EOL;
}
}
if($credit !== false) echo "CREDIT : $credit".PHP_EOL;
if($city !== false && $country !== false) echo "PLACE : $city, $country".PHP_EOL;
if($date_created !== false) echo "CREATED : ".date('d.m.Y', $date_created).PHP_EOL;
if($event !== false) echo "EVENT : $event".PHP_EOL;
if($keywords !== false) echo "KEYWORDS : ".implode(', ', $keywords).PHP_EOL;
if($people !== false) echo "PEOPLE : ".implode(', ', $people).PHP_EOL;
echo PHP_EOL;
echo "IMAGE DATA".PHP_EOL;
foreach($exif_data_ary as $field_id => $field_name) {
$data = $metadata->get($field_id);
if($data !== false) echo '- '.substr($field_name.' ', 0, 15).': '.$data.PHP_EOL;
}
echo PHP_EOL;
// Read metadata in a transparent way and extend tagged keywords to their respective fields
$metadata->read($filename, extend: true);
echo "EXTENDING KEYWORD TAGS:".PHP_EOL;
$keywords = $metadata->get(Metadata::KEYWORDS);
$people = $metadata->get(Metadata::PEOPLE);
if($keywords !== false) echo "KEYWORDS : ".implode(', ', $keywords).PHP_EOL;
if($people !== false) echo "PEOPLE : ".implode(', ', $people).PHP_EOL;
echo PHP_EOL;
// Re-format caption and update information
if($caption !== false && $date_created !== false && $city !== false && $country !== false && $credit !== false) {
$caption = strtoupper($city).', '.strtoupper($country).' - '.strtoupper(date('F d', $date_created)).': '.
$caption.' (Photo by '.$credit.')';
$metadata->set(Metadata::CAPTION, $caption, lang: Metadata::LANG_DEFAULT);
}
else {
echo "NOT ALL INFORMATION AVAILABLE TO UPDATE CAPTION".PHP_EOL;
}
if($event !== false) {
$metadata->set(Metadata::EVENT, strtoupper($event));
}
else {
$metadata->set(Metadata::EVENT, 'Event was empty');
}
// Write metadata back to the image file
$metadata->write("new.$filename");
// Read-back the data and display modified caption
$metadata->read("new.$filename");
$caption_ary = $metadata->get(Metadata::CAPTION, Metadata::LANG_ALL);
if(!empty($caption_ary)) {
echo "NEW CAPTION:".PHP_EOL;
foreach($caption_ary as $lang => $text) {
$lang = substr($lang.' ', 0, 9);
echo " $lang: $text".PHP_EOL;
}
}
echo "NEW EVENT : ".$metadata->get(Metadata::EVENT).PHP_EOL.PHP_EOL;
// Paste original data to new file
$metadata->read("$filename");
$metadata->paste("new.$filename");
// Read-back the data and display original caption
$metadata->read("new.$filename");
$caption_ary = $metadata->get(Metadata::CAPTION, Metadata::LANG_ALL);
if(!empty($caption_ary)) {
echo "PASTED CAPTION:".PHP_EOL;
foreach($caption_ary as $lang => $text) {
$lang = substr($lang.' ', 0, 9);
echo " $lang: $text".PHP_EOL;
}
}
echo "PASTED EVENT: ".$metadata->get(Metadata::EVENT).PHP_EOL.PHP_EOL;
}
/**
* Use of exception handling class Metadata\Exception
*/
echo PHP_EOL;
try {
$metadata->read('invalid.file.name.jpg');
echo "FILE WAS SUCCESSFULLY READ ALTHOUGH IT SHOULD NOT EXIST".PHP_EOL;
}
catch(Metadata\Exception $exception) {
echo "EXCEPTION CATCHED".PHP_EOL;
echo "---".PHP_EOL;
echo "CODE: ".$exception->getCode().PHP_EOL;
echo "MESSAGE: ".$exception->getMessage().PHP_EOL;
echo "DATA: ".$exception->getData().PHP_EOL;
}
/***
* Cleanup images created
*/
foreach($testfiles_ary as $filename) {
unlink("new.$filename");
}
?>