Skip to content
LEARN
Learn
Explore
Roadmaps
Paths
Organizations
Contact
Start Learning
Learn
PHP
Learn PHP
Backend
Complete PHP tutorial and reference dataset.
beginner
901 lessons
~19.75 hours
Start learning
Lessons
PHP Tutorial
· 55 lessons
01
PHP Tutorial
1 min
02
PHP Introduction
3 min
03
PHP Installation
1 min
04
PHP Syntax
1 min
05
PHP Comments
1 min
06
PHP Multi-line Comments
1 min
07
PHP Variables
3 min
08
PHP Variable Scope
2 min
09
PHP echo and print Functions
2 min
10
PHP Data Types
3 min
11
PHP Strings
2 min
12
PHP String Functions
2 min
13
PHP - Modify Strings
1 min
14
PHP - Concatenate Strings
1 min
15
PHP - Slicing Strings
1 min
16
PHP - Escape Characters
1 min
17
PHP Numbers
3 min
18
PHP Type Casting
2 min
19
PHP Math Functions
1 min
20
PHP Constants
2 min
21
PHP Magic Constants
2 min
22
PHP Operators
6 min
23
PHP if Statements
1 min
24
PHP if Operators
2 min
25
PHP if...else Statements
1 min
26
PHP Shorthand if Statements
1 min
27
PHP Nested if Statements
1 min
28
PHP switch Statement
2 min
29
PHP match Expression
2 min
30
PHP Loops
1 min
31
PHP while Loop
2 min
32
PHP do while Loop
1 min
33
PHP for Loop
2 min
34
PHP foreach Loop
2 min
35
PHP Break Statement
1 min
36
PHP Continue Statement
1 min
37
PHP Arrays
1 min
38
PHP Indexed Arrays
1 min
39
PHP Associative Arrays
1 min
40
PHP Create Arrays
1 min
41
PHP Access Arrays
1 min
42
PHP Update Array Items
1 min
43
PHP Add Array Items
2 min
44
PHP Delete Array Items
2 min
45
PHP Sorting Arrays
2 min
46
PHP Multidimensional Arrays
2 min
47
PHP Array Functions
6 min
48
PHP Superglobals
1 min
49
PHP $GLOBALS Superglobal
2 min
50
PHP $_SERVER Superglobal
3 min
51
PHP $_REQUEST Superglobal
2 min
52
PHP $_POST Superglobal
1 min
53
PHP $_GET Superglobal
2 min
54
PHP Regular Expressions
4 min
55
PHP Regular Expression Functions
2 min
PHP Forms
· 5 lessons
56
PHP Form Handling
3 min
57
PHP Form Validation
4 min
58
PHP Forms - Required Fields
2 min
59
PHP Forms - Validate E-mail and URL
1 min
60
PHP Complete Form Example
1 min
PHP Advanced
· 13 lessons
61
PHP Date and Time
4 min
62
PHP Include Files
2 min
63
PHP File Handling
2 min
64
PHP File Open/Read/Close
3 min
65
PHP File Create/Write
2 min
66
PHP File Upload
2 min
67
PHP Cookies
2 min
68
PHP Sessions
3 min
69
PHP Filters
3 min
70
PHP Filters Advanced
1 min
71
PHP Callback Functions
1 min
72
PHP and JSON
2 min
73
PHP Exceptions
3 min
PHP OOP
· 14 lessons
74
PHP Object-Oriented Programming
2 min
75
PHP OOP - Classes and Objects
2 min
76
PHP OOP - Constructor Method
1 min
77
PHP OOP - Destructor Method
1 min
78
PHP OOP - Access Modifiers
2 min
79
PHP OOP - Inheritance
2 min
80
PHP OOP - Class Constants
1 min
81
PHP OOP - Abstract Classes
2 min
82
PHP OOP - Interfaces
2 min
83
PHP OOP - Traits
2 min
84
PHP OOP - Static Methods
2 min
85
PHP OOP - Static Properties
1 min
86
PHP Namespaces
2 min
87
PHP Iterables
2 min
MySQL Database
· 14 lessons
88
PHP MySQL Database
2 min
89
PHP Connect to MySQL
2 min
90
PHP Create a MySQL Database
1 min
91
PHP MySQL Create Table
2 min
92
PHP MySQL Insert Data
1 min
93
PHP MySQL Get Last Inserted ID
1 min
94
PHP MySQL Insert Multiple Records
1 min
95
PHP MySQL Prepared Statements
2 min
96
PHP MySQL Select Data
2 min
97
PHP MySQL The WHERE Clause
2 min
98
PHP MySQL The ORDER BY Clause
2 min
99
PHP MySQL Delete Data
1 min
100
PHP MySQL Update Data
1 min
101
PHP MySQL Limit Data Selections
1 min
PHP XML
· 5 lessons
102
PHP XML Parsers
2 min
103
PHP SimpleXML Parser
2 min
104
PHP SimpleXML - Get Values
2 min
105
PHP XML Expat Parser
2 min
106
PHP DOM Parser
2 min
PHP - AJAX
· 6 lessons
107
PHP - AJAX Introduction
2 min
108
PHP - AJAX and PHP
1 min
109
PHP - AJAX and MySQL
2 min
110
PHP Example - AJAX and XML
2 min
111
PHP - AJAX Live Search
2 min
112
PHP - AJAX Poll
2 min
PHP Examples
· 2 lessons
113
PHP Examples
10 min
114
Practice PHP Coding Problems
Exercise
13 min
PHP Reference
· 787 lessons
115
PHP Reference
Reference
1 min
116
PHP Array Functions
Reference
6 min
117
PHP array() Function
Reference
1 min
118
PHP array_change_key_case() Function
Reference
1 min
119
PHP array_chunk() Function
Reference
1 min
120
PHP array_column() Function
Reference
1 min
121
PHP array_combine() Function
Reference
1 min
122
PHP array_count_values() Function
Reference
1 min
123
PHP array_diff() Function
Reference
1 min
124
PHP array_diff_assoc() Function
Reference
1 min
125
PHP array_diff_key() Function
Reference
1 min
126
PHP array_diff_uassoc() Function
Reference
1 min
127
PHP array_diff_ukey() Function
Reference
1 min
128
PHP array_fill() Function
Reference
1 min
129
PHP array_fill_keys() Function
Reference
1 min
130
PHP array_filter() Function
Reference
1 min
131
PHP array_flip() Function
Reference
1 min
132
PHP array_intersect() Function
Reference
1 min
133
PHP array_intersect_assoc() Function
Reference
1 min
134
PHP array_intersect_key() Function
Reference
1 min
135
PHP array_intersect_uassoc() Function
Reference
2 min
136
PHP array_intersect_ukey() Function
Reference
2 min
137
PHP array_key_exists() Function
Reference
1 min
138
PHP array_keys() Function
Reference
1 min
139
PHP array_map() Function
Reference
1 min
140
PHP array_merge() Function
Reference
1 min
141
PHP array_merge_recursive() Function
Reference
1 min
142
PHP array_multisort() Function
Reference
2 min
143
PHP array_pad() Function
Reference
1 min
144
PHP array_pop() Function
Reference
1 min
145
PHP array_product() Function
Reference
1 min
146
PHP array_push() Function
Reference
1 min
147
PHP array_rand() Function
Reference
1 min
148
PHP array_reduce() Function
Reference
1 min
149
PHP array_replace() Function
Reference
2 min
150
PHP array_replace_recursive() Function
Reference
2 min
151
PHP array_reverse() Function
Reference
1 min
152
PHP array_search() Function
Reference
1 min
153
PHP array_shift() Function
Reference
1 min
154
PHP array_slice() Function
Reference
2 min
155
PHP array_splice() Function
Reference
2 min
156
PHP array_sum() Function
Reference
1 min
157
PHP array_udiff() Function
Reference
1 min
158
PHP array_udiff_assoc() Function
Reference
1 min
159
PHP array_udiff_uassoc() Function
Reference
2 min
160
PHP array_uintersect() Function
Reference
1 min
161
PHP array_uintersect_assoc() Function
Reference
1 min
162
PHP array_uintersect_uassoc() Function
Reference
2 min
163
PHP array_unique() Function
Reference
1 min
164
PHP array_unshift() Function
Reference
1 min
165
PHP array_values() Function
Reference
1 min
166
PHP array_walk() Function
Reference
1 min
167
PHP array_walk_recursive() Function
Reference
1 min
168
PHP arsort() Function
Reference
1 min
169
PHP asort() Function
Reference
1 min
170
PHP compact() Function
Reference
1 min
171
PHP count() Function
Reference
1 min
172
PHP current() Function
Reference
1 min
173
PHP each() Function
Reference
2 min
174
PHP end() Function
Reference
1 min
175
PHP extract() Function
Reference
2 min
176
PHP in_array() Function
Reference
1 min
177
PHP key() Function
Reference
1 min
178
PHP krsort() Function
Reference
1 min
179
PHP ksort() Function
Reference
1 min
180
PHP list() Function
Reference
1 min
181
PHP natcasesort() Function
Reference
1 min
182
PHP natsort() Function
Reference
1 min
183
PHP next() Function
Reference
1 min
184
PHP pos() Function
Reference
2 min
185
PHP prev() Function
Reference
1 min
186
PHP range() Function
Reference
2 min
187
PHP reset() Function
Reference
1 min
188
PHP rsort() Function
Reference
1 min
189
PHP shuffle() Function
Reference
1 min
190
PHP sizeof() Function
Reference
1 min
191
PHP sort() Function
Reference
1 min
192
PHP uasort() Function
Reference
1 min
193
PHP uksort() Function
Reference
1 min
194
PHP usort() Function
Reference
1 min
195
PHP Calendar Functions
Reference
3 min
196
PHP cal_days_in_month() Function
Reference
1 min
197
PHP cal_from_jd() Function
Reference
1 min
198
PHP cal_info() Function
Reference
1 min
199
PHP cal_to_jd() Function
Reference
1 min
200
PHP easter_date() Function
Reference
1 min
201
PHP easter_days() Function
Reference
1 min
202
PHP frenchtojd() Function
Reference
1 min
203
PHP gregoriantojd() Function
Reference
1 min
204
PHP jddayofweek() Function
Reference
1 min
205
PHP jdmonthname() Function
Reference
1 min
206
PHP jdtofrench() Function
Reference
1 min
207
PHP jdtogregorian() Function
Reference
1 min
208
PHP jdtojewish() Function
Reference
1 min
209
PHP jdtojulian() Function
Reference
1 min
210
PHP jdtounix() Function
Reference
1 min
211
PHP jewishtojd() Function
Reference
1 min
212
PHP juliantojd() Function
Reference
1 min
213
PHP unixtojd() Function
Reference
1 min
214
PHP Date/Time Functions
Reference
5 min
215
PHP checkdate() Function
Reference
1 min
216
PHP date_add() Function
Reference
1 min
217
PHP date_create_from_format() Function
Reference
2 min
218
PHP date_create() Function
Reference
1 min
219
PHP date_date_set() Function
Reference
1 min
220
PHP date_default_timezone_get() Function
Reference
1 min
221
PHP date_default_timezone_set() Function
Reference
1 min
222
PHP date_diff() Function
Reference
1 min
223
PHP date_format() Function
Reference
3 min
224
PHP date_get_last_errors() Function
Reference
1 min
225
PHP date_interval_create_from_date_string() Function
Reference
1 min
226
PHP date_interval_format() Function
Reference
2 min
227
PHP date_isodate_set() Function
Reference
1 min
228
PHP date_modify() Function
Reference
1 min
229
PHP date_offset_get() Function
Reference
1 min
230
PHP date_parse_from_format() Function
Reference
1 min
231
PHP date_parse() Function
Reference
1 min
232
PHP date_sub() Function
Reference
1 min
233
PHP date_sun_info() Function
Reference
1 min
234
PHP date_sunrise() Function
Reference
2 min
235
PHP date_sunset() Function
Reference
2 min
236
PHP date_time_set() Function
Reference
1 min
237
PHP date_timestamp_get() Function
Reference
1 min
238
PHP date_timestamp_set() Function
Reference
1 min
239
PHP date_timezone_get() Function
Reference
1 min
240
PHP date_timezone_set() Function
Reference
1 min
241
PHP date() Function
Reference
3 min
242
PHP getdate() Function
Reference
1 min
243
PHP gettimeofday() Function
Reference
1 min
244
PHP gmdate() Function
Reference
4 min
245
PHP gmmktime() Function
Reference
1 min
246
PHP gmstrftime() Function
Reference
3 min
247
PHP idate() Function
Reference
2 min
248
PHP localtime() Function
Reference
1 min
249
PHP microtime() Function
Reference
1 min
250
PHP mktime() Function
Reference
1 min
251
PHP strftime() Function
Reference
3 min
252
PHP strptime() Function
Reference
3 min
253
PHP strtotime() Function
Reference
1 min
254
PHP time() Function
Reference
1 min
255
PHP timezone_abbreviations_list() Function
Reference
1 min
256
PHP timezone_identifiers_list() Function
Reference
1 min
257
PHP timezone_location_get() Function
Reference
1 min
258
PHP timezone_name_from_abbr() Function
Reference
1 min
259
PHP timezone_name_get() Function
Reference
1 min
260
PHP timezone_offset_get() Function
Reference
1 min
261
PHP timezone_open() Function
Reference
1 min
262
PHP timezone_transitions_get() Function
Reference
1 min
263
PHP timezone_version_get() Function
Reference
1 min
264
PHP Directory Functions
Reference
1 min
265
PHP chdir() Function
Reference
1 min
266
PHP chroot() Function
Reference
1 min
267
PHP closedir() Function
Reference
1 min
268
PHP dir() Function
Reference
1 min
269
PHP getcwd() Function
Reference
1 min
270
PHP opendir() Function
Reference
1 min
271
PHP readdir() Function
Reference
1 min
272
PHP rewinddir() Function
Reference
1 min
273
PHP scandir() Function
Reference
1 min
274
PHP Error Functions
Reference
6 min
275
PHP debug_backtrace() Function
Reference
2 min
276
PHP debug_print_backtrace() Function
Reference
1 min
277
PHP error_get_last() Function
Reference
1 min
278
PHP error_log() Function
Reference
2 min
279
PHP error_reporting() Function
Reference
1 min
280
PHP restore_error_handler() Function
Reference
1 min
281
PHP restore_exception_handler() Function
Reference
1 min
282
PHP set_error_handler() Function
Reference
1 min
283
PHP set_exception_handler() Function
Reference
1 min
284
PHP trigger_error() Function
Reference
1 min
285
PHP Exception Reference
Reference
1 min
286
PHP Exception Constructor
Reference
1 min
287
PHP Exception getCode() Method
Reference
1 min
288
PHP Exception getFile() Method
Reference
1 min
289
PHP Exception getMessage() Method
Reference
1 min
290
PHP Exception getLine() Method
Reference
1 min
291
PHP Exception getPrevious() Method
Reference
1 min
292
PHP Exception getTrace() Method
Reference
1 min
293
PHP Exception getTraceAsString() Method
Reference
1 min
294
PHP Filesystem Functions
Reference
6 min
295
PHP basename() Function
Reference
1 min
296
PHP chgrp() Function
Reference
1 min
297
PHP chmod() Function
Reference
1 min
298
PHP chown() Function
Reference
1 min
299
PHP clearstatcache() Function
Reference
1 min
300
PHP copy() Function
Reference
1 min
301
PHP delete() Function
Reference
1 min
302
PHP dirname() Function
Reference
1 min
303
PHP disk_free_space() Function
Reference
1 min
304
PHP disk_total_space() Function
Reference
1 min
305
PHP diskfreespace() Function
Reference
1 min
306
PHP fclose() Function
Reference
1 min
307
PHP feof() Function
Reference
1 min
308
PHP fflush() Function
Reference
1 min
309
PHP fgetc() Function
Reference
1 min
310
PHP fgetcsv() Function
Reference
1 min
311
PHP fgets() Function
Reference
1 min
312
PHP fgetss() Function
Reference
1 min
313
PHP file() Function
Reference
1 min
314
PHP file_exists() Function
Reference
1 min
315
PHP file_get_contents() Function
Reference
2 min
316
PHP file_put_contents() Function
Reference
2 min
317
PHP fileatime() Function
Reference
1 min
318
PHP filectime() Function
Reference
1 min
319
PHP filegroup() Function
Reference
1 min
320
PHP fileinode() Function
Reference
1 min
321
PHP filemtime() Function
Reference
1 min
322
PHP fileowner() Function
Reference
1 min
323
PHP fileperms() Function
Reference
1 min
324
PHP filesize() Function
Reference
1 min
325
PHP filetype() Function
Reference
1 min
326
PHP flock() Function
Reference
1 min
327
PHP fnmatch() Function
Reference
1 min
328
PHP fopen() Function
Reference
3 min
329
PHP fpassthru() Function
Reference
1 min
330
PHP fputcsv() Function
Reference
1 min
331
PHP fputs() Function
Reference
1 min
332
PHP fread() Function
Reference
1 min
333
PHP fscanf() Function
Reference
2 min
334
PHP fseek() Function
Reference
1 min
335
PHP fstat() Function
Reference
1 min
336
PHP ftell() Function
Reference
1 min
337
PHP ftruncate() Function
Reference
1 min
338
PHP fwrite() Function
Reference
1 min
339
PHP glob() Function
Reference
1 min
340
PHP is_dir() Function
Reference
1 min
341
PHP is_executable() Function
Reference
1 min
342
PHP is_file() Function
Reference
1 min
343
PHP is_link() Function
Reference
1 min
344
PHP is_readable() Function
Reference
1 min
345
PHP is_uploaded_file() Function
Reference
1 min
346
PHP is_writable() Function
Reference
1 min
347
PHP is_writeable() Function
Reference
1 min
348
PHP lchgrp() Function
Reference
1 min
349
PHP lchown() Function
Reference
1 min
350
PHP link() Function
Reference
1 min
351
PHP linkinfo() Function
Reference
1 min
352
PHP lstat() Function
Reference
2 min
353
PHP mkdir() Function
Reference
1 min
354
PHP move_uploaded_file() Function
Reference
1 min
355
PHP parse_ini_file() Function
Reference
2 min
356
PHP parse_ini_string() Function
Reference
1 min
357
PHP pathinfo() Function
Reference
1 min
358
PHP pclose() Function
Reference
1 min
359
PHP popen() Function
Reference
1 min
360
PHP readfile() Function
Reference
1 min
361
PHP readlink() Function
Reference
1 min
362
PHP realpath() Function
Reference
1 min
363
PHP realpath_cache_get() Function
Reference
1 min
364
PHP realpath_cache_size() Function
Reference
1 min
365
PHP rename() Function
Reference
1 min
366
PHP rewind() Function
Reference
1 min
367
PHP rmdir() Function
Reference
1 min
368
PHP set_file_buffer() Function
Reference
1 min
369
PHP stat() Function
Reference
1 min
370
PHP symlink() Function
Reference
1 min
371
PHP tempnam() Function
Reference
1 min
372
PHP tmpfile() Function
Reference
1 min
373
PHP touch() Function
Reference
1 min
374
PHP umask() Function
Reference
1 min
375
PHP unlink() Function
Reference
1 min
376
PHP Filter Functions
Reference
4 min
377
PHP filter_has_var() Function
Reference
1 min
378
PHP filter_id() Function
Reference
1 min
379
PHP filter_input() Function
Reference
1 min
380
PHP filter_input_array() Function
Reference
1 min
381
PHP filter_list() Function
Reference
1 min
382
PHP filter_var() Function
Reference
1 min
383
PHP filter_var_array() Function
Reference
1 min
384
PHP FTP Functions
Reference
4 min
385
PHP ftp_alloc() Function
Reference
1 min
386
PHP ftp_cdup() Function
Reference
1 min
387
PHP ftp_chdir() Function
Reference
1 min
388
PHP ftp_chmod() Function
Reference
1 min
389
PHP ftp_close() Function
Reference
1 min
390
PHP ftp_connect() Function
Reference
1 min
391
PHP ftp_delete() Function
Reference
1 min
392
PHP ftp_exec() Function
Reference
1 min
393
PHP ftp_fget() Function
Reference
1 min
394
PHP ftp_fput() Function
Reference
1 min
395
PHP ftp_get() Function
Reference
1 min
396
PHP ftp_get_option() Function
Reference
1 min
397
PHP ftp_login() Function
Reference
1 min
398
PHP ftp_mdtm() Function
Reference
1 min
399
PHP ftp_mkdir() Function
Reference
1 min
400
PHP ftp_mlsd() Function
Reference
1 min
401
PHP ftp_nb_continue() Function
Reference
1 min
402
PHP ftp_nb_fget() Function
Reference
1 min
403
PHP ftp_nb_fput() Function
Reference
1 min
404
PHP ftp_nb_get() Function
Reference
1 min
405
PHP ftp_nb_put() Function
Reference
1 min
406
PHP ftp_nlist() Function
Reference
1 min
407
PHP ftp_pasv() Function
Reference
1 min
408
PHP ftp_put() Function
Reference
1 min
409
PHP ftp_pwd() Function
Reference
1 min
410
PHP ftp_quit() Function
Reference
1 min
411
PHP ftp_raw() Function
Reference
1 min
412
PHP ftp_rawlist() Function
Reference
1 min
413
PHP ftp_rename() Function
Reference
1 min
414
PHP ftp_rmdir() Function
Reference
1 min
415
PHP ftp_set_option() Function
Reference
1 min
416
PHP ftp_site() Function
Reference
1 min
417
PHP ftp_size() Function
Reference
1 min
418
PHP ftp_ssl_connect() Function
Reference
1 min
419
PHP ftp_systype() Function
Reference
1 min
420
PHP JSON Functions
Reference
2 min
421
PHP json_decode() Function
Reference
1 min
422
PHP json_encode() Function
Reference
1 min
423
PHP json_last_error() Function
Reference
1 min
424
PHP Keywords
Reference
3 min
425
PHP abstract Keyword
Reference
1 min
426
PHP and Keyword
Reference
1 min
427
PHP as Keyword
Reference
1 min
428
PHP break Keyword
Reference
1 min
429
PHP callable Keyword
Reference
1 min
430
PHP case Keyword
Reference
1 min
431
PHP catch Keyword
Reference
1 min
432
PHP class Keyword
Reference
1 min
433
PHP clone Keyword
Reference
1 min
434
PHP const Keyword
Reference
1 min
435
PHP continue Keyword
Reference
1 min
436
PHP declare Keyword
Reference
1 min
437
PHP default Keyword
Reference
1 min
438
PHP do Keyword
Reference
1 min
439
PHP echo Keyword
Reference
1 min
440
PHP else Keyword
Reference
1 min
441
PHP elseif Keyword
Reference
1 min
442
PHP empty Keyword
Reference
1 min
443
PHP enddeclare Keyword
Reference
1 min
444
PHP endfor Keyword
Reference
1 min
445
PHP endforeach Keyword
Reference
1 min
446
PHP endif Keyword
Reference
1 min
447
PHP endswitch Keyword
Reference
1 min
448
PHP endwhile Keyword
Reference
1 min
449
PHP extends Keyword
Reference
1 min
450
PHP final Keyword
Reference
1 min
451
PHP finally Keyword
Reference
1 min
452
PHP fn Keyword
Reference
1 min
453
PHP for Keyword
Reference
1 min
454
PHP foreach Keyword
Reference
1 min
455
PHP function Keyword
Reference
1 min
456
PHP global Keyword
Reference
1 min
457
PHP if Keyword
Reference
1 min
458
PHP implements Keyword
Reference
1 min
459
PHP include Keyword
Reference
1 min
460
PHP include_once Keyword
Reference
1 min
461
PHP instanceof Keyword
Reference
1 min
462
PHP insteadof Keyword
Reference
1 min
463
PHP interface Keyword
Reference
1 min
464
PHP isset() Function
Reference
1 min
465
PHP list Keyword
Reference
1 min
466
PHP namespace Keyword
Reference
1 min
467
PHP new Keyword
Reference
1 min
468
PHP or Keyword
Reference
1 min
469
PHP print Keyword
Reference
1 min
470
PHP private Keyword
Reference
1 min
471
PHP protected Keyword
Reference
1 min
472
PHP public Keyword
Reference
1 min
473
PHP require Keyword
Reference
1 min
474
PHP require_once Keyword
Reference
1 min
475
PHP return Keyword
Reference
1 min
476
PHP static Keyword
Reference
1 min
477
PHP switch Keyword
Reference
1 min
478
PHP throw Keyword
Reference
1 min
479
PHP trait Keyword
Reference
1 min
480
PHP try Keyword
Reference
1 min
481
PHP use Keyword
Reference
1 min
482
PHP var Keyword
Reference
1 min
483
PHP while Keyword
Reference
1 min
484
PHP xor Keyword
Reference
1 min
485
PHP yield Keyword
Reference
1 min
486
PHP yield from Keyword
Reference
1 min
487
PHP libxml Functions
Reference
2 min
488
PHP libxml_clear_errors() Function
Reference
1 min
489
PHP libxml_disable_entity_loader() Function
Reference
1 min
490
PHP libxml_get_errors() Function
Reference
1 min
491
PHP libxml_get_last_error() Function
Reference
1 min
492
PHP libxml_set_external_entity_loader() Function
Reference
1 min
493
PHP libxml_set_streams_context() Function
Reference
1 min
494
PHP libxml_use_internal_errors() Function
Reference
1 min
495
PHP Mail Functions
Reference
2 min
496
PHP ezmlm_hash() Function
Reference
1 min
497
PHP mail() Function
Reference
2 min
498
PHP Math Functions
Reference
4 min
499
PHP abs() Function
Reference
1 min
500
PHP acos() Function
Reference
1 min
501
PHP acosh() Function
Reference
1 min
502
PHP asin() Function
Reference
1 min
503
PHP asinh() Function
Reference
1 min
504
PHP atan() Function
Reference
1 min
505
PHP atan2() Function
Reference
1 min
506
PHP atanh() Function
Reference
1 min
507
PHP base_convert() Function
Reference
1 min
508
PHP bindec() Function
Reference
1 min
509
PHP ceil() Function
Reference
1 min
510
PHP cos() Function
Reference
1 min
511
PHP cosh() Function
Reference
1 min
512
PHP decbin() Function
Reference
1 min
513
PHP dechex() Function
Reference
1 min
514
PHP decoct() Function
Reference
1 min
515
PHP deg2rad() Function
Reference
1 min
516
PHP exp() Function
Reference
1 min
517
PHP expm1() Function
Reference
1 min
518
PHP floor() Function
Reference
1 min
519
PHP fmod() Function
Reference
1 min
520
PHP getrandmax() Function
Reference
1 min
521
PHP hexdec() Function
Reference
1 min
522
PHP hypot() Function
Reference
1 min
523
PHP intdiv() Function
Reference
1 min
524
PHP is_finite() Function
Reference
1 min
525
PHP is_infinite() Function
Reference
1 min
526
PHP is_nan() Function
Reference
1 min
527
PHP lcg_value() Function
Reference
1 min
528
PHP log() Function
Reference
1 min
529
PHP log10() Function
Reference
1 min
530
PHP log1p() Function
Reference
1 min
531
PHP max() Function
Reference
1 min
532
PHP min() Function
Reference
1 min
533
PHP mt_getrandmax() Function
Reference
1 min
534
PHP mt_rand() Function
Reference
1 min
535
PHP mt_srand() Function
Reference
1 min
536
PHP octdec() Function
Reference
1 min
537
PHP pi() Function
Reference
1 min
538
PHP pow() Function
Reference
1 min
539
PHP rad2deg() Function
Reference
1 min
540
PHP rand() Function
Reference
1 min
541
PHP round() Function
Reference
2 min
542
PHP sin() Function
Reference
1 min
543
PHP sinh() Function
Reference
1 min
544
PHP sqrt() Function
Reference
1 min
545
PHP srand() Function
Reference
1 min
546
PHP tan() Function
Reference
1 min
547
PHP tanh() Function
Reference
1 min
548
PHP Misc. Functions
Reference
3 min
549
PHP connection_aborted() Function
Reference
1 min
550
PHP connection_status() Function
Reference
1 min
551
PHP connection_timeout() Function
Reference
1 min
552
PHP constant() Function
Reference
1 min
553
PHP define() Function
Reference
1 min
554
PHP defined() Function
Reference
1 min
555
PHP die() Function
Reference
1 min
556
PHP eval() Function
Reference
1 min
557
PHP exit() Function
Reference
1 min
558
PHP get_browser() Function
Reference
1 min
559
PHP __halt_compiler Function
Reference
1 min
560
PHP highlight_file() Function
Reference
2 min
561
PHP highlight_string() Function
Reference
1 min
562
PHP hrtime() Function
Reference
1 min
563
PHP ignore_user_abort() Function
Reference
1 min
564
PHP pack() Function
Reference
2 min
565
PHP php_strip_whitespace() Function
Reference
1 min
566
PHP show_source() Function
Reference
2 min
567
PHP sleep() Function
Reference
1 min
568
PHP sys_getloadavg() Function
Reference
1 min
569
PHP time_nanosleep() Function
Reference
1 min
570
PHP time_sleep_until() Function
Reference
1 min
571
PHP uniqid() Function
Reference
1 min
572
PHP unpack() Function
Reference
2 min
573
PHP usleep() Function
Reference
1 min
574
PHP MySQLi Functions
Reference
5 min
575
PHP mysqli affected_rows Function
Reference
1 min
576
PHP mysqli autocommit() Function
Reference
1 min
577
PHP mysqli change_user() Function
Reference
1 min
578
PHP mysqli character_set_name() Function
Reference
1 min
579
PHP mysqli close() Function
Reference
1 min
580
PHP mysqli commit() Function
Reference
1 min
581
PHP mysqli connect() Function
Reference
1 min
582
PHP mysqli connect_errno() Function
Reference
1 min
583
PHP mysqli connect_error() Function
Reference
1 min
584
PHP mysqli_data_seek() Function
Reference
1 min
585
PHP mysqli_debug() Function
Reference
1 min
586
PHP mysqli dump_debug_info() Function
Reference
1 min
587
PHP mysqli errno() Function
Reference
1 min
588
PHP mysqli error() Function
Reference
1 min
589
PHP mysqli error_list() Function
Reference
1 min
590
PHP mysqli fetch_all() Function
Reference
1 min
591
PHP mysqli fetch_array() Function
Reference
1 min
592
PHP mysqli fetch_assoc() Function
Reference
1 min
593
PHP mysqli fetch_field() Function
Reference
2 min
594
PHP mysqli fetch_field_direct() Function
Reference
2 min
595
PHP mysqli fetch_fields() Function
Reference
2 min
596
PHP lengths / mysqli_fetch_lengths() Function
Reference
1 min
597
PHP mysqli fetch_object() Function
Reference
1 min
598
PHP mysqli fetch_row() Function
Reference
1 min
599
PHP mysqli field_count() Function
Reference
1 min
600
PHP mysqli field_seek() Function
Reference
1 min
601
PHP mysqli get_charset() Function
Reference
1 min
602
PHP mysqli get_client_info() Function
Reference
1 min
603
PHP mysqli_get_client_stats() Function
Reference
1 min
604
PHP client_version / mysqli get_client_version() Function
Reference
1 min
605
PHP mysqli get_connection_stats() Function
Reference
1 min
606
PHP host_info() / mysqli_get_host_info() Function
Reference
1 min
607
PHP protocol_version() / mysqli_get_proto_info() Function
Reference
1 min
608
PHP server_info / mysqli_get_server_info() Function
Reference
1 min
609
PHP server_version / mysqli_get_server_version() Function
Reference
1 min
610
PHP mysqli info() Function
Reference
1 min
611
PHP mysqli init() Function
Reference
1 min
612
PHP mysqli insert_id() Function
Reference
1 min
613
PHP mysqli kill() Function
Reference
1 min
614
PHP mysqli more_results() Function
Reference
1 min
615
PHP mysqli multi_query() Function
Reference
1 min
616
PHP mysqli next_result() Function
Reference
1 min
617
PHP mysqli options() Function
Reference
2 min
618
PHP mysqli ping() Function
Reference
1 min
619
PHP mysqli poll() Function
Reference
1 min
620
PHP mysqli prepare() Function
Reference
1 min
621
PHP mysqli query() Function
Reference
1 min
622
PHP mysqli real_connect() Function
Reference
2 min
623
PHP mysqli real_escape_string() Function
Reference
1 min
624
PHP mysqli real_query() Function
Reference
1 min
625
PHP mysqli reap_async_query() Function
Reference
1 min
626
PHP mysqli refresh() Function
Reference
1 min
627
PHP mysqli rollback() Function
Reference
1 min
628
PHP mysqli select_db() Function
Reference
1 min
629
PHP mysqli set_charset() Function
Reference
1 min
630
PHP mysqli set_local_infile_handler() Function
Reference
1 min
631
PHP mysqli sqlstate() Function
Reference
1 min
632
PHP mysqli ssl_set() Function
Reference
2 min
633
PHP mysqli stat() Function
Reference
1 min
634
PHP mysqli stmt_init() Function
Reference
1 min
635
PHP mysqli_thread_id() Function
Reference
1 min
636
PHP mysqli_thread_safe() Function
Reference
1 min
637
PHP mysqli use_result() Function
Reference
1 min
638
PHP mysqli warning_count() Function
Reference
1 min
639
PHP Network Functions
Reference
3 min
640
PHP checkdnsrr() Function
Reference
1 min
641
PHP closelog() Function
Reference
1 min
642
PHP dns_check_record() Function
Reference
1 min
643
PHP dns_get_mx() Function
Reference
1 min
644
PHP dns_get_record() Function
Reference
2 min
645
PHP fsockopen() Function
Reference
1 min
646
PHP gethostbyaddr() Function
Reference
1 min
647
PHP gethostbyname() Function
Reference
1 min
648
PHP gethostbynamel() Function
Reference
1 min
649
PHP gethostname() Function
Reference
1 min
650
PHP getmxrr() Function
Reference
1 min
651
PHP getprotobyname() Function
Reference
1 min
652
PHP getprotobynumber() Function
Reference
1 min
653
PHP getservbyname() Function
Reference
1 min
654
PHP getservbyport() Function
Reference
1 min
655
PHP header_register_callback() Function
Reference
1 min
656
PHP header_remove() Function
Reference
1 min
657
PHP header() Function
Reference
2 min
658
PHP headers_list() Function
Reference
1 min
659
PHP headers_sent() Function
Reference
1 min
660
PHP http_response_code() Function
Reference
1 min
661
PHP inet_ntop() Function
Reference
1 min
662
PHP inet_pton() Function
Reference
1 min
663
PHP ip2long() Function
Reference
1 min
664
PHP long2ip() Function
Reference
1 min
665
PHP openlog() Function
Reference
1 min
666
PHP pfsockopen() Function
Reference
1 min
667
PHP setcookie() Function
Reference
3 min
668
PHP setrawcookie() Function
Reference
3 min
669
PHP socket_get_status() Function
Reference
1 min
670
PHP socket_set_blocking() Function
Reference
1 min
671
PHP socket_set_timeout() Function
Reference
1 min
672
PHP syslog() Function
Reference
1 min
673
PHP Output Control Functions
Reference
3 min
674
PHP flush() Function
Reference
1 min
675
PHP ob_clean() Function
Reference
1 min
676
PHP ob_end_clean() Function
Reference
1 min
677
PHP ob_end_flush() Function
Reference
1 min
678
PHP ob_flush() Function
Reference
1 min
679
PHP ob_get_clean() Function
Reference
1 min
680
PHP ob_get_contents() Function
Reference
1 min
681
PHP ob_get_flush() Function
Reference
1 min
682
PHP ob_get_length() Function
Reference
1 min
683
PHP ob_get_level() Function
Reference
1 min
684
PHP ob_gzhandler() Function
Reference
1 min
685
PHP ob_implicit_flush() Function
Reference
1 min
686
PHP ob_list_handlers() Function
Reference
1 min
687
PHP ob_start() Function
Reference
2 min
688
PHP output_add_rewrite_var() Function
Reference
1 min
689
PHP output_reset_rewrite_vars() Function
Reference
1 min
690
PHP Regular Expression Functions
Reference
4 min
691
PHP preg_filter() Function
Reference
2 min
692
PHP preg_grep() Function
Reference
1 min
693
PHP preg_last_error() Function
Reference
1 min
694
PHP preg_match() Function
Reference
2 min
695
PHP preg_match_all() Function
Reference
2 min
696
PHP preg_replace() Function
Reference
2 min
697
PHP preg_replace_callback() Function
Reference
2 min
698
PHP preg_replace_callback_array() Function
Reference
2 min
699
PHP preg_split() Function
Reference
2 min
700
PHP preg_quote() Function
Reference
1 min
701
PHP SimpleXML Functions
Reference
2 min
702
PHP __construct() Function
Reference
2 min
703
PHP __toString() Function
Reference
1 min
704
PHP addAttribute() Function
Reference
1 min
705
PHP addChild() Function
Reference
1 min
706
PHP asXML() Function
Reference
1 min
707
PHP attributes() Function
Reference
1 min
708
PHP children() Function
Reference
1 min
709
PHP count() Function
Reference
1 min
710
PHP getDocNamespaces() Function
Reference
1 min
711
PHP getName() Function
Reference
1 min
712
PHP getNamespaces() Function
Reference
1 min
713
PHP registerXPathNamespace() Function
Reference
1 min
714
PHP saveXML() Function
Reference
1 min
715
PHP simplexml_import_dom() Function
Reference
1 min
716
PHP simplexml_load_file() Function
Reference
2 min
717
PHP simplexml_load_string() Function
Reference
2 min
718
PHP xpath() Function
Reference
1 min
719
PHP current() Function
Reference
1 min
720
PHP getChildren() Function
Reference
1 min
721
PHP hasChildren() Function
Reference
1 min
722
PHP key() Function
Reference
1 min
723
PHP next() Function
Reference
1 min
724
PHP rewind() Function
Reference
1 min
725
PHP valid() Function
Reference
1 min
726
PHP Stream Functions
Reference
2 min
727
PHP String Functions
Reference
6 min
728
PHP addcslashes() Function
Reference
1 min
729
PHP addslashes() Function
Reference
1 min
730
PHP bin2hex() Function
Reference
1 min
731
PHP chop() Function
Reference
1 min
732
PHP chr() Function
Reference
1 min
733
PHP chunk_split() Function
Reference
1 min
734
PHP convert_cyr_string() Function
Reference
1 min
735
PHP convert_uudecode() Function
Reference
1 min
736
PHP convert_uuencode() Function
Reference
1 min
737
PHP count_chars() Function
Reference
2 min
738
PHP crc32() Function
Reference
1 min
739
PHP crypt() Function
Reference
3 min
740
PHP echo() Function
Reference
2 min
741
PHP explode() Function
Reference
1 min
742
PHP fprintf() Function
Reference
3 min
743
PHP get_html_translation_table() Function
Reference
2 min
744
PHP hebrev() Function
Reference
1 min
745
PHP hebrevc() Function
Reference
1 min
746
PHP hex2bin() Function
Reference
1 min
747
PHP html_entity_decode() Function
Reference
2 min
748
PHP htmlentities() Function
Reference
3 min
749
PHP htmlspecialchars_decode() Function
Reference
2 min
750
PHP htmlspecialchars() Function
Reference
3 min
751
PHP implode() Function
Reference
1 min
752
PHP join() Function
Reference
1 min
753
PHP lcfirst() Function
Reference
1 min
754
PHP levenshtein() Function
Reference
1 min
755
PHP localeconv() Function
Reference
2 min
756
PHP ltrim() Function
Reference
1 min
757
PHP md5() Function
Reference
1 min
758
PHP md5_file() Function
Reference
2 min
759
PHP metaphone() Function
Reference
1 min
760
PHP money_format() Function
Reference
3 min
761
PHP nl_langinfo() Function
Reference
3 min
762
PHP nl2br() Function
Reference
1 min
763
PHP number_format() Function
Reference
1 min
764
PHP ord() Function
Reference
1 min
765
PHP parse_str() Function
Reference
1 min
766
PHP print() Function
Reference
1 min
767
PHP printf() Function
Reference
2 min
768
PHP quoted_printable_decode() Function
Reference
1 min
769
PHP quoted_printable_encode() Function
Reference
1 min
770
PHP quotemeta() Function
Reference
1 min
771
PHP rtrim() Function
Reference
1 min
772
PHP setlocale() Function
Reference
2 min
773
PHP sha1() Function
Reference
2 min
774
PHP sha1_file() Function
Reference
2 min
775
PHP similar_text() Function
Reference
1 min
776
PHP soundex() Function
Reference
1 min
777
PHP sprintf() Function
Reference
3 min
778
PHP sscanf() Function
Reference
2 min
779
PHP str_contains() Function
Reference
1 min
780
PHP str_ends_with() Function
Reference
1 min
781
PHP str_getcsv() Function
Reference
1 min
782
PHP str_ireplace() Function
Reference
2 min
783
PHP str_pad() Function
Reference
1 min
784
PHP str_repeat() Function
Reference
1 min
785
PHP str_replace() Function
Reference
2 min
786
PHP str_rot13() Function
Reference
1 min
787
PHP str_shuffle() Function
Reference
1 min
788
PHP str_split() Function
Reference
1 min
789
PHP str_starts_with() Function
Reference
1 min
790
PHP str_word_count() Function
Reference
1 min
791
PHP strcasecmp() Function
Reference
1 min
792
PHP strchr() Function
Reference
1 min
793
PHP strcmp() Function
Reference
1 min
794
PHP strcoll() Function
Reference
1 min
795
PHP strcspn() Function
Reference
1 min
796
PHP strip_tags() Function
Reference
1 min
797
PHP stripcslashes() Function
Reference
1 min
798
PHP stripslashes() Function
Reference
1 min
799
PHP stripos() Function
Reference
1 min
800
PHP stristr() Function
Reference
1 min
801
PHP strlen() Function
Reference
1 min
802
PHP strnatcasecmp() Function
Reference
1 min
803
PHP strnatcmp() Function
Reference
1 min
804
PHP strncasecmp() Function
Reference
1 min
805
PHP strncmp() Function
Reference
1 min
806
PHP strpbrk() Function
Reference
1 min
807
PHP strpos() Function
Reference
1 min
808
PHP strrchr() Function
Reference
1 min
809
PHP strrev() Function
Reference
1 min
810
PHP strripos() Function
Reference
1 min
811
PHP strrpos() Function
Reference
1 min
812
PHP strspn() Function
Reference
1 min
813
PHP strstr() Function
Reference
1 min
814
PHP strtok() Function
Reference
1 min
815
PHP strtolower() Function
Reference
1 min
816
PHP strtoupper() Function
Reference
1 min
817
PHP strtr() Function
Reference
1 min
818
PHP substr() Function
Reference
2 min
819
PHP substr_compare() Function
Reference
1 min
820
PHP substr_count() Function
Reference
2 min
821
PHP substr_replace() Function
Reference
2 min
822
PHP trim() Function
Reference
1 min
823
PHP ucfirst() Function
Reference
1 min
824
PHP ucwords() Function
Reference
1 min
825
PHP vfprintf() Function
Reference
3 min
826
PHP vprintf() Function
Reference
2 min
827
PHP vsprintf() Function
Reference
2 min
828
PHP wordwrap() Function
Reference
1 min
829
PHP Variable Handling Functions
Reference
2 min
830
PHP boolval() Function
Reference
1 min
831
PHP debug_zval_dump() Function
Reference
1 min
832
PHP doubleval() Function
Reference
1 min
833
PHP is_countable() Function
Reference
1 min
834
PHP empty() Function
Reference
1 min
835
PHP floatval() Function
Reference
1 min
836
PHP get_defined_vars() Function
Reference
1 min
837
PHP get_resource_type() Function
Reference
1 min
838
PHP gettype() Function
Reference
1 min
839
PHP intval() Function
Reference
1 min
840
PHP is_array() Function
Reference
1 min
841
PHP is_bool() Function
Reference
1 min
842
PHP is_callable() Function
Reference
1 min
843
PHP is_double() Function
Reference
1 min
844
PHP is_float() Function
Reference
1 min
845
PHP is_int() Function
Reference
1 min
846
PHP is_integer() Function
Reference
1 min
847
PHP is_iterable() Function
Reference
1 min
848
PHP is_long() Function
Reference
1 min
849
PHP is_null() Function
Reference
1 min
850
PHP is_numeric() Function
Reference
1 min
851
PHP is_object() Function
Reference
1 min
852
PHP is_real() Function
Reference
1 min
853
PHP is_resource() Function
Reference
1 min
854
PHP is_scalar() Function
Reference
1 min
855
PHP is_string() Function
Reference
1 min
856
PHP isset() Function
Reference
1 min
857
PHP print_r() Function
Reference
1 min
858
PHP serialize() Function
Reference
1 min
859
PHP settype() Function
Reference
1 min
860
PHP strval() Function
Reference
1 min
861
PHP unserialize() Function
Reference
1 min
862
PHP unset() Function
Reference
1 min
863
PHP var_dump() Function
Reference
1 min
864
PHP var_export() Function
Reference
1 min
865
PHP XML Parser Functions
Reference
3 min
866
PHP utf8_decode() Function
Reference
1 min
867
PHP utf8_encode() Function
Reference
1 min
868
PHP xml_error_string() Function
Reference
1 min
869
PHP xml_get_current_byte_index() Function
Reference
1 min
870
PHP xml_get_current_column_number() Function
Reference
1 min
871
PHP xml_get_current_line_number() Function
Reference
1 min
872
PHP xml_get_error_code() Function
Reference
1 min
873
PHP xml_parse() Function
Reference
1 min
874
PHP xml_parse_into_struct() Function
Reference
1 min
875
PHP xml_parser_create_ns() Function
Reference
1 min
876
PHP xml_parser_create() Function
Reference
1 min
877
PHP xml_parser_free() Function
Reference
1 min
878
PHP xml_parser_get_option() Function
Reference
1 min
879
PHP xml_parser_set_option() Function
Reference
1 min
880
PHP xml_set_character_data_handler() Function
Reference
1 min
881
PHP xml_set_default_handler() Function
Reference
1 min
882
PHP xml_set_element_handler() Function
Reference
2 min
883
PHP xml_set_end_namespace_decl_handler() Function
Reference
1 min
884
PHP xml_set_external_entity_ref_handler() Function
Reference
1 min
885
PHP xml_set_notation_decl_handler() Function
Reference
1 min
886
PHP xml_set_object() Function
Reference
1 min
887
PHP xml_set_processing_instruction_handler() Function
Reference
1 min
888
PHP xml_set_start_namespace_decl_handler() Function
Reference
1 min
889
PHP xml_set_unparsed_entity_decl_handler() Function
Reference
1 min
890
PHP Zip Functions
Reference
2 min
891
PHP zip_close() Function
Reference
1 min
892
PHP zip_entry_close() Function
Reference
1 min
893
PHP zip_entry_compressedsize() Function
Reference
1 min
894
PHP zip_entry_compressionmethod() Function
Reference
1 min
895
PHP zip_entry_filesize() Function
Reference
1 min
896
PHP zip_entry_name() Function
Reference
1 min
897
PHP zip_entry_open() Function
Reference
1 min
898
PHP zip_entry_read() Function
Reference
1 min
899
PHP zip_open() Function
Reference
1 min
900
PHP zip_read() Function
Reference
1 min
901
PHP Timezones
Reference
6 min