|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Flextype\Component\Strings; |
|
6
|
|
|
|
|
7
|
|
|
use function ctype_lower; |
|
8
|
|
|
use function implode; |
|
9
|
|
|
use function lcfirst; |
|
10
|
|
|
use function mb_convert_case; |
|
11
|
|
|
use function mb_strimwidth; |
|
12
|
|
|
use function mb_strlen; |
|
13
|
|
|
use function mb_strpos; |
|
14
|
|
|
use function mb_strtolower; |
|
15
|
|
|
use function mb_strtoupper; |
|
16
|
|
|
use function mb_strwidth; |
|
17
|
|
|
use function mb_substr; |
|
18
|
|
|
use function preg_match; |
|
19
|
|
|
use function preg_replace; |
|
20
|
|
|
use function random_int; |
|
21
|
|
|
use function rtrim; |
|
22
|
|
|
use function str_replace; |
|
23
|
|
|
use function trim; |
|
24
|
|
|
use function ucwords; |
|
25
|
|
|
|
|
26
|
|
|
use const MB_CASE_TITLE; |
|
27
|
|
|
|
|
28
|
|
|
class Strings |
|
29
|
|
|
{ |
|
30
|
|
|
/** |
|
31
|
|
|
* The cache for words. |
|
32
|
|
|
* |
|
33
|
|
|
* @var array |
|
34
|
|
|
*/ |
|
35
|
|
|
protected static $cache = []; |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* Removes any leading and traling slashes from a string. |
|
39
|
|
|
* |
|
40
|
|
|
* @param string $string String with slashes |
|
41
|
|
|
*/ |
|
42
|
|
|
public static function trimSlashes(string $string): string |
|
43
|
|
|
{ |
|
44
|
|
|
return trim($string, '/'); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* Reduces multiple slashes in a string to single slashes. |
|
49
|
|
|
* |
|
50
|
|
|
* @param string $string String or array of strings with slashes |
|
51
|
|
|
*/ |
|
52
|
|
|
public static function reduceSlashes(string $string): string |
|
53
|
|
|
{ |
|
54
|
|
|
return preg_replace('#(?<!:)//+#', '/', $string); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* Removes single and double quotes from a string. |
|
59
|
|
|
* |
|
60
|
|
|
* @param string $str String with single and double quotes |
|
61
|
|
|
*/ |
|
62
|
|
|
public static function stripQuotes(string $string): string |
|
63
|
|
|
{ |
|
64
|
|
|
return str_replace(['"', "'"], '', $string); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* Convert single and double quotes to entities. |
|
69
|
|
|
* |
|
70
|
|
|
* @param string $string String with single and double quotes |
|
71
|
|
|
*/ |
|
72
|
|
|
public static function quotesToEntities(string $string): string |
|
|
|
|
|
|
73
|
|
|
{ |
|
74
|
|
|
return str_replace(["\'", '"', "'", '"'], [''', '"', ''', '"'], $str); |
|
|
|
|
|
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Creates a random string of characters. |
|
79
|
|
|
* |
|
80
|
|
|
* @param int $length The number of characters. Default is 16 |
|
81
|
|
|
* @param string $keyspace The keyspace |
|
82
|
|
|
*/ |
|
83
|
|
|
public static function random(int $length = 64, string $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'): string |
|
84
|
|
|
{ |
|
85
|
|
|
if ($length <= 0) { |
|
86
|
|
|
$length = 1; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
$pieces = []; |
|
90
|
|
|
$max = mb_strlen($keyspace, '8bit') - 1; |
|
91
|
|
|
|
|
92
|
|
|
for ($i = 0; $i < $length; ++$i) { |
|
93
|
|
|
$pieces[] = $keyspace[random_int(0, $max)]; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
return implode('', $pieces); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Add's _1 to a string or increment the ending number to allow _2, _3, etc. |
|
101
|
|
|
* |
|
102
|
|
|
* @param string $string String to increment |
|
103
|
|
|
* @param int $first Start with |
|
104
|
|
|
* @param string $separator Separator |
|
105
|
|
|
*/ |
|
106
|
|
|
public static function increment(string $string, int $first = 1, string $separator = '_'): string |
|
107
|
|
|
{ |
|
108
|
|
|
preg_match('/(.+)' . $separator . '([0-9]+)$/', $string, $match); |
|
109
|
|
|
|
|
110
|
|
|
return isset($match[2]) ? $match[1] . $separator . ($match[2] + 1) : $string . $separator . $first; |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
|
|
/** |
|
114
|
|
|
* Return the length of the given string. |
|
115
|
|
|
* |
|
116
|
|
|
* @param string $string String to check |
|
117
|
|
|
* @param string|null $encoding String encoding |
|
118
|
|
|
*/ |
|
119
|
|
|
public static function length(string $string, ?string $encoding = null): int |
|
120
|
|
|
{ |
|
121
|
|
|
if ($encoding) { |
|
122
|
|
|
return mb_strlen($string, $encoding); |
|
123
|
|
|
} |
|
124
|
|
|
|
|
125
|
|
|
return mb_strlen($string); |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
/** |
|
129
|
|
|
* Limit the number of characters in a string. |
|
130
|
|
|
* |
|
131
|
|
|
* @param string $string String |
|
132
|
|
|
* @param int $limit Limit of characters |
|
133
|
|
|
* @param string $append Text to append to the string IF it gets truncated |
|
134
|
|
|
*/ |
|
135
|
|
|
public static function limit(string $string, int $limit = 100, string $append = '...'): string |
|
136
|
|
|
{ |
|
137
|
|
|
if (mb_strwidth($string, 'UTF-8') <= $limit) { |
|
138
|
|
|
return $string; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
return rtrim(mb_strimwidth($string, 0, $limit, '', 'UTF-8')) . $append; |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* Convert the given string to lower-case. |
|
146
|
|
|
* |
|
147
|
|
|
* @param string $string String |
|
148
|
|
|
*/ |
|
149
|
|
|
public static function lower(string $string): string |
|
150
|
|
|
{ |
|
151
|
|
|
return mb_strtolower($string, 'UTF-8'); |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
/** |
|
155
|
|
|
* Convert the given string to upper-case. |
|
156
|
|
|
* |
|
157
|
|
|
* @param string $value |
|
158
|
|
|
*/ |
|
159
|
|
|
public static function upper(string $string): string |
|
160
|
|
|
{ |
|
161
|
|
|
return mb_strtoupper($string, 'UTF-8'); |
|
162
|
|
|
} |
|
163
|
|
|
|
|
164
|
|
|
/** |
|
165
|
|
|
* Returns the portion of string specified by the start and length parameters. |
|
166
|
|
|
* |
|
167
|
|
|
* @param string $string The string to extract the substring from. |
|
168
|
|
|
* @param int $start If start is non-negative, the returned string will |
|
169
|
|
|
* start at the start'th position in $string, counting from zero. |
|
170
|
|
|
* For instance, in the string 'abcdef', the character at position |
|
171
|
|
|
* 0 is 'a', the character at position 2 is 'c', and so forth. |
|
172
|
|
|
* @param int|null $length Maximum number of characters to use from string. |
|
173
|
|
|
* If omitted or NULL is passed, extract all characters to the end of the string. |
|
174
|
|
|
*/ |
|
175
|
|
|
public static function substr(string $string, int $start, ?int $length = null): string |
|
176
|
|
|
{ |
|
177
|
|
|
return mb_substr($string, $start, $length, 'UTF-8'); |
|
178
|
|
|
} |
|
179
|
|
|
|
|
180
|
|
|
/** |
|
181
|
|
|
* Convert a string to studly caps case. |
|
182
|
|
|
* |
|
183
|
|
|
* @param string $string String |
|
184
|
|
|
*/ |
|
185
|
|
|
public static function studly(string $string): string |
|
186
|
|
|
{ |
|
187
|
|
|
$key = $string; |
|
188
|
|
|
|
|
189
|
|
|
if (isset(static::$cache['studly'][$key])) { |
|
190
|
|
|
return static::$cache['studly'][$key]; |
|
191
|
|
|
} |
|
192
|
|
|
|
|
193
|
|
|
$string = ucwords(str_replace(['-', '_'], ' ', $string)); |
|
194
|
|
|
|
|
195
|
|
|
return static::$cache['studly'][$key] = str_replace(' ', '', $string); |
|
196
|
|
|
} |
|
197
|
|
|
|
|
198
|
|
|
/** |
|
199
|
|
|
* Convert a string to snake case. |
|
200
|
|
|
* |
|
201
|
|
|
* @param string $string String |
|
202
|
|
|
* @param string $delimiter Delimeter |
|
203
|
|
|
*/ |
|
204
|
|
|
public static function snake(string $string, string $delimiter = '_'): string |
|
205
|
|
|
{ |
|
206
|
|
|
$key = $string; |
|
207
|
|
|
|
|
208
|
|
|
if (isset(static::$cache['snake'][$key][$delimiter])) { |
|
209
|
|
|
return static::$cache['snake'][$key][$delimiter]; |
|
210
|
|
|
} |
|
211
|
|
|
|
|
212
|
|
|
if (! ctype_lower($string)) { |
|
213
|
|
|
$value = preg_replace('/\s+/u', '', ucwords($string)); |
|
|
|
|
|
|
214
|
|
|
|
|
215
|
|
|
$string = static::lower(preg_replace('/(.)(?=[A-Z])/u', '$1' . $delimiter, $string)); |
|
216
|
|
|
} |
|
217
|
|
|
|
|
218
|
|
|
return static::$cache['snake'][$key][$delimiter] = $string; |
|
219
|
|
|
} |
|
220
|
|
|
|
|
221
|
|
|
/** |
|
222
|
|
|
* Convert a string to camel case. |
|
223
|
|
|
* |
|
224
|
|
|
* @param string $string String |
|
225
|
|
|
*/ |
|
226
|
|
|
public static function camel(string $string): string |
|
227
|
|
|
{ |
|
228
|
|
|
if (isset(static::$cache['camel'][$string])) { |
|
229
|
|
|
return static::$cache['camel'][$string]; |
|
230
|
|
|
} |
|
231
|
|
|
|
|
232
|
|
|
return static::$cache['camel'][$string] = lcfirst(static::studly($string)); |
|
233
|
|
|
} |
|
234
|
|
|
|
|
235
|
|
|
/** |
|
236
|
|
|
* Convert a string to kebab case. |
|
237
|
|
|
* |
|
238
|
|
|
* @param string $string String |
|
239
|
|
|
*/ |
|
240
|
|
|
public static function kebab(string $string): string |
|
241
|
|
|
{ |
|
242
|
|
|
return static::snake($string, '-'); |
|
243
|
|
|
} |
|
244
|
|
|
|
|
245
|
|
|
/** |
|
246
|
|
|
* Limit the number of words in a string. |
|
247
|
|
|
* |
|
248
|
|
|
* @param string $string String |
|
249
|
|
|
* @param int $words Words limit |
|
250
|
|
|
* @param string $append Text to append to the string IF it gets truncated |
|
251
|
|
|
*/ |
|
252
|
|
|
public static function words(string $string, int $words = 100, string $append = '...'): string |
|
253
|
|
|
{ |
|
254
|
|
|
preg_match('/^\s*+(?:\S++\s*+){1,' . $words . '}/u', $string, $matches); |
|
255
|
|
|
|
|
256
|
|
|
if (! isset($matches[0]) || static::length($string) === static::length($matches[0])) { |
|
257
|
|
|
return $string; |
|
258
|
|
|
} |
|
259
|
|
|
|
|
260
|
|
|
return rtrim($matches[0]) . $append; |
|
261
|
|
|
} |
|
262
|
|
|
|
|
263
|
|
|
/** |
|
264
|
|
|
* Determine if a given string contains a given substring. |
|
265
|
|
|
* |
|
266
|
|
|
* @param string $haystack The string being checked. |
|
267
|
|
|
* @param string|string[] $needles The string to find in haystack. |
|
268
|
|
|
*/ |
|
269
|
|
|
public static function contains(string $haystack, $needles): bool |
|
270
|
|
|
{ |
|
271
|
|
|
foreach ((array) $needles as $needle) { |
|
272
|
|
|
if ($needle !== '' && mb_strpos($haystack, $needle) !== false) { |
|
273
|
|
|
return true; |
|
274
|
|
|
} |
|
275
|
|
|
} |
|
276
|
|
|
|
|
277
|
|
|
return false; |
|
278
|
|
|
} |
|
279
|
|
|
|
|
280
|
|
|
/** |
|
281
|
|
|
* Determine if a given string contains all array values. |
|
282
|
|
|
* |
|
283
|
|
|
* @param string $haystack The string being checked. |
|
284
|
|
|
* @param string[] $needles The array of strings to find in haystack. |
|
285
|
|
|
*/ |
|
286
|
|
|
public static function containsAll(string $haystack, array $needles): bool |
|
287
|
|
|
{ |
|
288
|
|
|
foreach ($needles as $needle) { |
|
289
|
|
|
if (! static::contains($haystack, $needle)) { |
|
290
|
|
|
return false; |
|
291
|
|
|
} |
|
292
|
|
|
} |
|
293
|
|
|
|
|
294
|
|
|
return true; |
|
295
|
|
|
} |
|
296
|
|
|
|
|
297
|
|
|
/** |
|
298
|
|
|
* Converts the first character of a string to upper case |
|
299
|
|
|
* and leaves the other characters unchanged. |
|
300
|
|
|
* |
|
301
|
|
|
* @param string $string String |
|
302
|
|
|
*/ |
|
303
|
|
|
public static function ucfirst(string $string): string |
|
304
|
|
|
{ |
|
305
|
|
|
return static::upper(static::substr($string, 0, 1)) . static::substr($string, 1); |
|
306
|
|
|
} |
|
307
|
|
|
|
|
308
|
|
|
/** |
|
309
|
|
|
* Converts the first character of every word of string to upper case and the others to lower case. |
|
310
|
|
|
* |
|
311
|
|
|
* @param string $string String |
|
312
|
|
|
*/ |
|
313
|
|
|
public static function capitalize(string $string): string |
|
|
|
|
|
|
314
|
|
|
{ |
|
315
|
|
|
return mb_convert_case($s, MB_CASE_TITLE, 'UTF-8'); |
|
|
|
|
|
|
316
|
|
|
} |
|
317
|
|
|
|
|
318
|
|
|
/** |
|
319
|
|
|
* Strip whitespace (or other characters) from the beginning and end of a string. |
|
320
|
|
|
* |
|
321
|
|
|
* @param string $string The string that will be trimmed. |
|
322
|
|
|
* @param string $character_mask Optionally, the stripped characters can also be |
|
323
|
|
|
* specified using the character_mask parameter.. |
|
324
|
|
|
*/ |
|
325
|
|
|
public static function trim(string $string, string $character_mask = " \t\n\r\0\x0B"): string |
|
326
|
|
|
{ |
|
327
|
|
|
return trim($string, $character_mask); |
|
328
|
|
|
} |
|
329
|
|
|
|
|
330
|
|
|
/** |
|
331
|
|
|
* Reverses string. |
|
332
|
|
|
* |
|
333
|
|
|
* @param string $string String |
|
334
|
|
|
*/ |
|
335
|
|
|
public static function reverse(string $string): string |
|
336
|
|
|
{ |
|
337
|
|
|
$result = ''; |
|
338
|
|
|
|
|
339
|
|
|
for ($i = static::length($string); $i >= 0; $i--) { |
|
340
|
|
|
$result .= static::substr($string, $i, 1); |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
return $result; |
|
344
|
|
|
} |
|
345
|
|
|
} |
|
346
|
|
|
|
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.