Passed
Push — master ( f033cf...b5ceee )
by Marco
01:02
created

HeadersTrait::getIndexCaseInsensitive()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 11
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 2

Importance

Changes 0
Metric Value
eloc 6
dl 0
loc 11
ccs 8
cts 8
cp 1
rs 10
c 0
b 0
f 0
cc 2
nc 2
nop 1
crap 2
1
<?php namespace Comodojo\Dispatcher\Traits;
2
3
/**
4
 * Common trait to manage request and response headers
5
 *
6
 * @package     Comodojo Dispatcher
7
 * @author      Marco Giovinazzi <[email protected]>
8
 * @author      Marco Castiello <[email protected]>
9
 * @license     MIT
10
 *
11
 * LICENSE:
12
 *
13
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19
 * THE SOFTWARE.
20
 */
21
22
trait HeadersTrait {
23
24
    /**
25
     * Headers array
26
     * @var array
27
     */
28
    protected $headers = [];
29
30
    /**
31
     * Get one or all header(s)
32
     * If $header param is not provided, this method will return all the
33
     * registered headers.
34
     *
35
     * Starting from (v 4.1+) this method is CASE INSENSITIVE
36
     *
37
     * @param string $header
38
     * @return string|array|null
39
     */
40 5
    public function get($header = null) {
41
42 5
        if (is_null($header)) {
43 2
            return $this->headers;
44
        }
45
46 5
        $index = $this->getIndexCaseInsensitive($header);
47
48 5
        return $index === null ? null : $this->headers[$index];
49
50
    }
51
52
    /**
53
     * Get one or all header(s) as a string
54
     * If $header param is not provided, this method will return all the
55
     * registered headers.
56
     *
57
     * Starting from (v 4.1+) this method is CASE INSENSITIVE
58
     *
59
     * @param string $header
60
     * @return string|array|null
61
     */
62 6
    public function getAsString($header = null) {
63
64 6
        if (is_null($header)) {
65
66 4
            return array_map([$this, 'headerToString'],
67 4
                array_keys($this->headers),
68 4
                array_values($this->headers)
69 4
            );
70
71
        }
72
73 2
        $index = $this->getIndexCaseInsensitive($header);
74
75 2
        return $index === null ? null : self::headerToString($index, $this->headers[$index]);
76
77
    }
78
79
    /**
80
     * Check if an header is registered
81
     *
82
     * Starting from (v 4.1+) this method is CASE INSENSITIVE
83
     *
84
     * @param string $header
85
     * @return bool
86
     */
87 3
    public function has($header) {
88
89 3
        return $this->getIndexCaseInsensitive($header) === null ? false : true;
90
91
    }
92
93
    /**
94
     * Set an header
95
     * If $header is an inline header and value is null, this method will split
96
     *  it automatically.
97
     * $value can be a string or an array. In the latter case, these values will
98
     *  separated by a comma in the string representation of the header.
99
     *
100
     * @param string $header Header name or string representation
101
     * @param mixed $value Header value(s)
102
     * @return self
103
     */
104 4
    public function set($header, $value = null) {
105
106 4
        if (is_null($value)) {
107
108
            $header = explode(":", $header, 2);
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal : does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
109
110
            $this->headers[$header[0]] = isset($header[1]) ? trim($header[1]) : '';
111
112
        } else {
113
114 4
            $this->headers[$header] = $value;
115
116
        }
117
118 4
        return $this;
119
120
    }
121
122
    /**
123
     * Delete one or all header(s)
124
     *
125
     * If no argument is provided, all headers will be deleted.
126
     *
127
     * Starting from (v 4.1+) this method is CASE INSENSITIVE
128
     *
129
     * @param string $header
130
     * @return bool
131
     */
132 3
    public function delete($header = null) {
133
134 3
        if (is_null($header)) {
135
136 1
            $this->headers = [];
137
138 1
            return true;
139
140
        }
141
142 3
        $index = $this->getIndexCaseInsensitive($header);
143
144 3
        if ( $index === null ) {
145 1
            return false;
146
        }
147
148 2
        unset($this->headers[$index]);
149 2
        return true;
150
151
    }
152
153
    /**
154
     * Merge actual headers with an array of headers
155
     *
156
     * @param string $header
157
     * @return self
158
     */
159 1
    public function merge($headers) {
160
161 1
        foreach ($headers as $key => $value) {
162
            $this->set($key, $value);
163 1
        }
164
165 1
        return $this;
166
167
    }
168
169 5
    private function getIndexCaseInsensitive($header) {
170
171 5
        $mapping = array_combine(
172 5
            array_keys(array_change_key_case($this->headers, CASE_LOWER)),
173 5
            array_keys($this->headers)
174 5
        );
175
176 5
        $header = strtolower($header);
177
178 5
        return array_key_exists($header, $mapping) ?
179 5
            $mapping[$header] : null;
180
181
    }
182
183 3
    private static function headerToString($header, $value) {
184
185 3
        return is_array($value) ?
186 3
            (string)("$header: ".implode(',',$value)) :
0 ignored issues
show
Coding Style Best Practice introduced by
As per coding-style, please use concatenation or sprintf for the variable $header instead of interpolation.

It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.

// Instead of
$x = "foo $bar $baz";

// Better use either
$x = "foo " . $bar . " " . $baz;
$x = sprintf("foo %s %s", $bar, $baz);
Loading history...
187 3
            (string)("$header: $value");
0 ignored issues
show
Coding Style Best Practice introduced by
As per coding-style, please use concatenation or sprintf for the variable $header instead of interpolation.

It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.

// Instead of
$x = "foo $bar $baz";

// Better use either
$x = "foo " . $bar . " " . $baz;
$x = sprintf("foo %s %s", $bar, $baz);
Loading history...
Coding Style Best Practice introduced by
As per coding-style, please use concatenation or sprintf for the variable $value instead of interpolation.

It is generally a best practice as it is often more readable to use concatenation instead of interpolation for variables inside strings.

// Instead of
$x = "foo $bar $baz";

// Better use either
$x = "foo " . $bar . " " . $baz;
$x = sprintf("foo %s %s", $bar, $baz);
Loading history...
188
189
    }
190
191
}
192