statische string functies php compacten - Statische string functies (PHP Compacten) - Overig - PHP scripts

Code (php)

1
2
3
4
5
6
7
8
9
10
11
12

<?xml version="1.0"?>

<voorbeeld>

 <item>Text</item>
 <![CDATA[
 <a href="text">Testing href</a>

 ]]>
 <item>Text</item>
 
</voorbeeld>

Code (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

<?
include('STATIC_STRING.class.php');
$data = file_get_contents('voorbeeld.xml');

header("Content-type: text/html");

echo "Originele data: ";
echo $data;
echo " <hr /> ";

// Converteer cdata
$data = STATIC_STRING::convert_by_tag($data, '<![CDATA[', ']]>', 'HTMLENTITIES', true);

echo "Geconverteerd cdata: ";
echo $data;
echo " <hr /> ";

// Verwijder comment
$data = STATIC_STRING::convert_by_tag($data, '', 'STRIP', true);

echo "Zonder commentaar: ";
echo $data;
echo " <hr /> ";

// Verkrijg tags
$arrMatch = array();
STATIC_STRING::match_by_tag($data, '<', '>', $arrMatch);

echo "Gevonden elementen: ";
foreach($arrMatch as $positionData)
{
// Zonder open tag, dus positie + 1, index 3 is binnenlengte
echo substr($data, $positionData[0]+1, $positionData[3])." ";
}
echo " <hr /> ";

echo "voorbeeld.php compressie: ";

$data = file_get_contents('voorbeeld.php');
echo "Huidige lengte: ".strlen($data)." ";

// Compact phpcode
$data = STATIC_STRING::compact_php($data);

echo "Compressie lengte: ".strlen($data)." <hr/>";
echo "Compressie code: ".htmlentities($data);
echo " <hr /> ";

echo "STATIC_STRING.class.php compressie: ";

$data = file_get_contents('STATIC_STRING.class.php');
echo "Huidige lengte: ".strlen($data)." ";

// Compact phpcode
$data = STATIC_STRING::compact_php($data);

echo "Compressie lengte: ".strlen($data)." <hr/>";
echo "Compressie code: ".htmlentities($data);
echo " <hr /> ";
?>

Code (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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430

<?

class STATIC_STRING
{
 /**
 * Returns the start and endpostion of each matched set. Array(Array(iStartpos, iEndPos, $iTotalLength, $iInternalLength), Array(iStartpos, iEndpos, $iTotalLength, $iInternalLength))
 *
 * @param string $strText
 * @param string $strTagOpen
 * @param string $strTagClose
 * @param array $arrMatch
 */
 function match_by_tag($strText, $strTagOpen, $strTagClose, &$arrMatch, $iOffset = 0, $iLimit = null)
 {
 $iCount = 0;
 $iStartPos = 0;
 $iCurrentPos = $iOffset;

 // Determine the length of both tags
 $iTagOpenLength = strlen($strTagOpen);
 $iTagCloseLength = strlen($strTagClose);

 // Walk through the text, using the substr function, to find the first occurance
 // Save the first occurance position in the iStartpos
 // If the currentposition is outside the textrange, the loop will quit
 while ($iCurrentPos < strlen($strText)
 && ($iStartPos = strpos($strText, $strTagOpen, $iCurrentPos)) !== false
 && ($iLimit == null || $iCount < $iLimit) )
 {
 // Update the current pos, set it to the startposition plus the length of the startstring
 $iCurrentPos = $iStartPos + $iTagOpenLength;

 // Try to match the endstring, if not successful, match it to the end of the text
 $iEndPos = strpos($strText, $strTagClose, $iCurrentPos);
 if ($iEndPos === false) $iEndPos = strlen($strText);

 // Update the current position
 $iCurrentPos = $iEndPos + $iTagCloseLength;

 $arrMatch[] = array($iStartPos, $iCurrentPos,
 $iCurrentPos - $iStartPos, // Total length
 $iCurrentPos - $iStartPos - $iTagOpenLength - $iTagCloseLength); // Internal length
 $iCount++;
 }
 }

 /**
 * Convert a string matched by an open and close tag.
 *
 * @param string $strText
 * @param string $strTagOpen
 * @param string $strTagClose
 * @param string $strAction = Strip, HTMLENTITIES, HTML_ENTITY_DECODE
 * @return string
 */
 function convert_by_tag($strText, $strTagOpen, $strTagClose, $strAction, $blnRemoveTag = true, $iOffset = 0, $iLimit = null)
 {
 $iTagOpenLength = strlen($strTagOpen);
 $iTagCloseLength = strlen($strTagClose);

 $strConverted = "";

 // Use the STATIC_STRING::match_by_tag function
 $arrMatches = array();
 STATIC_STRING::match_by_tag($strText, $strTagOpen, $strTagClose, $arrMatches, $iOffset, $iLimit);

 // Check if there where any matches, else return the input text
 if(count($arrMatches) > 0)
 {
 // Use the current pos variable to cache the current position in the string
 $iCurrentPos = 0;

 // Walk through the matches
 foreach($arrMatches as $arrPositions)
 {
 if($blnRemoveTag)
 {
 // Without the tags
 // the current position till the occurance of the open string (length = openstringpos - currentpos)
 // the opentag is thus removed
 $strConverted .= substr($strText, $iCurrentPos, $arrPositions[0] - $iCurrentPos);
 }
 elseif($iCurrentPos == 0)
 {
 // Do nothing special
 $strConverted .= substr($strText, 0, $arrPositions[0] + $iTagOpenLength);
 }
 else
 {
 // Go back the length of the closing char(cannot when iCurrentpos = 0), to keep it in the converted string
 // The length is the openstringpos - currentpos + openstringlength + closestringlength
 $strConverted .= substr($strText,
 $iCurrentPos - $iTagCloseLength,
 $arrPositions[0] - $iCurrentPos + $iTagCloseLength + $iTagOpenLength);
 }

 $strMatch = substr($strText, $arrPositions[0] + $iTagOpenLength, $arrPositions[3]);

 switch(strtoupper($strAction))
 {
 case 'STRIP':
 break;
 case 'HTMLENTITIES':
 $strConverted .= htmlentities($strMatch);
 break;
 case 'HTML_ENTITY_DECODE':
 $strConverted .= html_entity_decode($strMatch);
 break;
 }

 // The currentpos will be updated to the position after the closetag
 // thus: startpos + length
 $iCurrentPos = $arrPositions[0] + $arrPositions[2];
 }

 // Put the text behind
 if($blnRemoveTag)
 {
 $strConverted .= substr($strText, $iCurrentPos);
 }
 else
 {
 $strConverted .= substr($strText, $iCurrentPos - $iTagCloseLength);
 }
 }
 else {
 $strConverted = $strText;
 }

 return $strConverted;
 }

 /**
 * Strip a match out of string. Save the match in a referenced array and return the stripped text
 * The unique tags can be replaced again by InsertMatchedTagsFromArray
 *
 * @param string $strText
 * @param string reference $arrData
 * @param string $strTagOpen
 * @param string $strTagClose
 * @return strText stripped of the tags, replaced with unique tags.
 */
 function strip_out_and_save_by_tag($strText, &$arrData, $strTagOpen, $strTagClose, $iOffset = 0, $iLimit = null)
 {
 $arrMatch = array();

 STATIC_STRING::match_by_tag($strText, $strTagOpen, $strTagClose, $arrMatch, $iOffset, $iLimit);

 if($arrMatch > 0)
 {
 // Save the new string in here
 $iPos = 0;
 $strStrippedText = "";

 foreach($arrMatch as $stringPos)
 {
 // Join the new output and the oldstring, to generate an absolute unique tag
 $strUniqueTag = STATIC_STRING::generate_unique_tag($strText, $arrData);

 // Save the data outside the tags
 $strStrippedText .= substr($strText, $iPos, $stringPos[0] - $iPos);

 // Add the unique tag, this is at the location of the match
 $strStrippedText .= $strUniqueTag;
 // Save the match into the array
 $arrData[$strUniqueTag] = substr($strText, $stringPos[0], $stringPos[2]);

 // Set the position at the end of the match
 $iPos = $stringPos[1];
 }
 // After all, match the text after the last tag
 $strStrippedText .= substr($strText, $iPos);

 $strText = $strStrippedText;
 }

 return $strText;
 }

 /**
 * Replace matched tags by their values. Undo's the strip_out_and_save_by_tag function
 *
 * @param string $strText
 * @param array $arrMatchedTags
 * @return strText
 */
 function insert_saved_by_tag($strText, $arrMatchedTags)
 {
 foreach($arrMatchedTags as $key=>$value)
 {
 $strText = str_replace($key, $value, $strText);
 }

 return $strText;
 }

 /**
 * Get the first position of a set of strings.
 *
 * @param string $strText
 * @param mixeld $arrSearch
 * @param int $iOffset
 * @return array($iPosition, $strNeedle)
 */
 function first_position($strText, $arrSearch, $iOffset = null)
 {
 $iPosition = false;
 $strNeedle = '';

 // Convert a single node into the array.
 if(!is_array($arrSearch)) $arrSearch = array($arrSearch);

 foreach($arrSearch as $Needle)
 {
 $iTMP = strpos($strText, $Needle, $iOffset);
 if($iTMP !== false && ( $iTMP < $iPosition || $iPosition === false))
 {
 $iPosition = $iTMP;
 $strNeedle = $Needle;
 }
 }

 return array($iPosition, $strNeedle);
 }

 /**
 * Get the last position of a set of strings.
 *
 * @param string $strText
 * @param mixeld $arrSearch
 * @return array($iPosition, $strNeedle)
 */
 function last_position($strText, $arrSearch)
 {
 $iPosition = false;
 $strNeedle = '';

 // Convert a single node into the array.
 if(!is_array($arrSearch)) $arrSearch = array($arrSearch);

 foreach($arrSearch as $Needle)
 {
 $iTMP = strpos($strText, $Needle);
 if($iTMP !== false && ( $iTMP > $iPosition || $iPosition == false))
 {
 $iPosition = $iTMP;
 $strNeedle = $Needle;
 }
 }

 return array($iPosition, $strNeedle);
 }

 /**
 * This function strips php code, it removes comments, tabs and newlines. It leaves string intact, so newlines in your strings won't be replaced.
 *
 * @param string $strText
 * @return string stripped from comments
 */
 function compact_php($strText)
 {
 // Don't do anything when a file already contains some of those tags. It would messup the whole thing
 /// Do that by finding the first postion of one of the tags. If it returns false, it doesn't contain any of them
 $strCompressString = '<? /** Compressed with PHPCodeCompacter **/ ?>';
 $iPrefPos = strpos($strText, $strCompressString);
 if($strText != '' && ($iPrefPos > 0 || $iPrefPos === false))
 {
 $arr = array();
 $arr['ESCESC'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arr['ESCSNG'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arr['ESCDBL'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arr['SNG'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arr['DBL'] = STATIC_STRING::generate_unique_tag($strText, $arr);


 // Replace escaped escapes
 $strText = str_replace('\\\\', $arr['ESCESC'], $strText);
 // Replace escaped quotes
 $strText = str_replace(array('\\\'', '\\"'), array($arr['ESCSNG'], $arr['ESCDBL']), $strText);

 $arrQuoted = array();

 // It is difficult to strip all out in the right way
 // the most precise manner is by walking through the text and see what comes first
 // there is comment, what has to be stripped and strings which have to be remove and store
 do
 {
 $arrFirstCharData = STATIC_STRING::first_position($strText, array('//', '/*', '#', "'", '"'));
 $iStrPos = $arrFirstCharData[0];
 $strNeedle = $arrFirstCharData[1];

 if($iStrPos !== false && $strNeedle == '//')
 {
 // It is comment, so strip out comment first
 $strText = STATIC_STRING::convert_by_tag($strText, '//', "\n", 'strip', true, 0, 1);
 }elseif($iStrPos !== false && $strNeedle == '/*')
 {
 // It is comment, so strip out comment first
 $strText = STATIC_STRING::convert_by_tag($strText, '/*', "*/", 'strip', true, 0, 1 );
 }
 elseif($iStrPos !== false && $strNeedle == '"')
 {
 // It isn't comment, so it should be a tag for a single or double quote
 // Replace the damn quotes!
 $strText = substr_replace($strText, $arr['DBL'], $iStrPos, 1);

 // Determine the position of the closing quote after the replace
 $iNextQuote = strpos($strText, '"');
 $strText = substr_replace($strText, $arr['DBL'], $iNextQuote, 1);
 $strText = STATIC_STRING::strip_out_and_save_by_tag($strText, $arrQuoted, $arr['DBL'], $arr['DBL'], 0, 1);
 }elseif($iStrPos !== false && $strNeedle == "'")
 {
 $strText = substr_replace($strText, $arr['SNG'], $iStrPos, 1);

 // Determine the position of the closing quote after the replace
 $iNextQuote = strpos($strText, "'");
 $strText = substr_replace($strText, $arr['SNG'], $iNextQuote, 1);
 $strText = STATIC_STRING::strip_out_and_save_by_tag($strText, $arrQuoted, $arr['SNG'], $arr['SNG'], 0, 1);
 echo '';
 }elseif($iStrPos !== false && $strNeedle == '#')
 {
 // It is comment, so strip out comment first
 $strText = STATIC_STRING::convert_by_tag($strText, '#', "\n", 'strip', true, 0, 1);
 }

 }while($iStrPos);

 // The core removal

 // remove whitespace
 $strText = preg_replace('/\s\s+/', ' ', $strText);

 $strText = str_replace(" class ", "\r\nclass ", $strText);
 $strText = STATIC_STRING::insert_saved_by_tag($strText, $arrQuoted);

 // Undo the escaping in shifted order
 $strText = str_replace(array($arr['SNG'], $arr['DBL']), array('\'', '"'), $strText);
 $strText = str_replace(array($arr['ESCSNG'], $arr['ESCDBL']), array('\\\'', '\\"'), $strText);
 $strText = str_replace($arr['ESCESC'], '\\\\', $strText);


 $strText = str_replace('?><?', '', $strCompressString.$strText);

 return $strText;
 }

 return trim($strText);
 }

 /**
 * This function strips php code, it removes comments, tabs and newlines. It leaves strings intact, so newlines in your strings won't be replaced.
 *
 * @param string $strText
 * @return string stripped from comments
 */
 function compact_xml($strText)
 {
 // Don't do anything when a file already contains some of those tags. It would messup the whole thing
 /// Do that by finding the first postion of one of the tags. If it returns false, it doesn't contain any of them
 $strCompressString = '';
 $iPrefPos = strpos($strText, $strCompressString);
 if($strText != '' && ($iPrefPos > 0 || $iPrefPos === false))
 {
 $arr = array();
 $arr['SAFEDAT_OPEN'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arr['SAFEDAT_CLOSE'] = STATIC_STRING::generate_unique_tag($strText, $arr);
 $arrSafe = array();

 // It is difficult to strip all out in the right way
 // the most precise manner is by walking through the text and see what comes first
 // there is comment, what has to be stripped and strings which have to be remove and store
 do
 {
 $arrFirstPosData = STATIC_STRING::first_position($strText, array('<![CDATA[', '", 'strip', true, 0, 1 );
 }

 }while($iStrPos);

 // The core removal
 $strText = str_replace(array("\r\n", "\n", "\t", ' ', ' ', ' ', ' '), ' ', $strText);

 $strText = STATIC_STRING::insert_saved_by_tag($strText, $arrSafe);

 // Undo the escaping in shifted order
 $strText = str_replace(array($arr['SAFEDAT_OPEN'], $arr['SAFEDAT_CLOSE']), array('<![CDATA[', ']]>'), $strText);

 $strText = $strText.$strCompressString;
 }

 return trim($strText);
 }

 /**
 * When you want to generate an unique tag that isn't in a string or in a array
 *
 * @param string $TextUnique
 * @param array $ArrayUnique
 * @return Unique Tag
 */
 function generate_unique_tag($TextUnique = null, $ArrayUnique = null)
 {
 $strTag = "";
 $iTagLength = 5;
 do{
 $strTag = '['.substr(md5(rand(0,10000).date("I-Y-sM:y:m")), 0, $iTagLength).']';
 $iTagLength++;
 }while( (isset($TextUnique) && strstr($TextUnique, $strTag))
 || (isset($ArrayUnique) && (array_search($strTag, $ArrayUnique) || isset($ArrayUnique[$strTag]))));

 return $strTag;
 }
}

?>

Forum berichten

Reacties

PHP scripts

PHP tutorials

Actief op PHPhulp

statische-string-functies-php-compacten

Gesponsorde koppelingen

PHP script bestanden

Over PHPhulp

Support

Gesponsord

Extra's

Privacy