Most Popular PHP Functions

1. is_array (865244)
30 examples
2. str_replace (709448)
30 examples
3. explode (700130)
30 examples
4. substr (675679)
30 examples
5. in_array (642713)
30 examples
6. implode (588670)
30 examples
7. trim (587188)
30 examples
8. sprintf (576328)
30 examples
9. strlen (566099)
30 examples
10. array_merge (476612)
30 examples
11. dirname (476164)
30 examples
12. header (467918)
30 examples
13. strpos (458613)
30 examples
14. strtolower (448018)
30 examples
15. preg_match (446648)
30 examples
16. date (443545)
30 examples
17. file_exists (409374)
30 examples
18. time (360350)
30 examples
19. define (357142)
30 examples
20. __ (356866)
30 examples
21. preg_replace (342596)
30 examples
22. intval (318352)
30 examples
23. is_null (312351)
30 examples
24. array_key_exists (311955)
30 examples
25. function_exists (298495)
30 examples
26. json_encode (290414)
30 examples
27. array_keys (288237)
30 examples
28. is_string (253749)
30 examples
29. is_numeric (246074)
30 examples
30. file_get_contents (237495)
30 examples
31. is_object (236708)
30 examples
32. session_start (231357)
30 examples
33. md5 (218490)
30 examples
34. class_exists (218177)
30 examples
35. mysql_query (209216)
30 examples
36. htmlspecialchars (198293)
30 examples
37. json_decode (183370)
30 examples
38. strtotime (182358)
30 examples
39. basename (179251)
30 examples
40. fopen (178782)
30 examples
41. strtoupper (175552)
30 examples
42. get_class (175199)
30 examples
43. fclose (174296)
30 examples
44. add_action (163173)
30 examples
45. _e (153855)
30 examples
46. ob_start (152492)
30 examples
47. is_dir (151816)
30 examples
48. unlink (148791)
30 examples
49. apply_filters (143510)
30 examples
50. get_option (142262)
30 examples
51. urlencode (133868)
30 examples
52. array_shift (133527)
30 examples
53. array_map (133405)
30 examples
54. array_push (132881)
30 examples
55. unserialize (130024)
30 examples
56. serialize (125386)
30 examples
57. print_r (124874)
30 examples
58. mysql_fetch_array (122751)
30 examples
59. round (119752)
30 examples
60. is_file (119509)
30 examples
61. stripslashes (118596)
30 examples
62. method_exists (118311)
30 examples
63. rtrim (117991)
30 examples
64. strip_tags (117495)
30 examples
65. realpath (117327)
30 examples
66. sizeof (116353)
30 examples
67. array_values (113328)
30 examples
68. ucfirst (109480)
30 examples
69. esc_attr (109090)
30 examples
70. fwrite (106744)
30 examples
71. error_reporting (106645)
30 examples
72. array_pop (106317)
30 examples
73. printf (105663)
30 examples
74. base_url (105345)
30 examples
75. ini_set (102951)
30 examples
76. file_put_contents (102404)
30 examples
77. redirect (101443)
30 examples
78. reset (100326)
30 examples
79. rand (100188)
30 examples
80. ini_get (99185)
30 examples
81. array_unique (96678)
30 examples
82. call_user_func_array (96566)
30 examples
83. extract (95251)
30 examples
84. add_filter (95125)
30 examples
85. mysql_error (90928)
30 examples
86. get_header (89819)
30 examples
87. is_callable (89789)
30 examples
88. get_footer (89651)
30 examples
89. do_action (89135)
30 examples
90. preg_match_all (87798)
30 examples
91. call_user_func (87742)
30 examples
92. ceil (87209)
30 examples
93. microtime (86895)
30 examples
94. base64_encode (85329)
30 examples
95. version_compare (85315)
30 examples
96. mkdir (84041)
30 examples
97. str_repeat (83044)
30 examples
98. max (82456)
30 examples
99. esc_url (82064)
30 examples
100. number_format (81581)
30 examples