अपरकेस से लोअरकेस तक सरणी कुंजियों को कैसे बदला जाए?

Question

मेरे पास कुंजी अपरकेस के साथ एक सरणी है और मैं उन्हें लोअरकेस में बदलना चाहता हूं। मैं उसे कैसे कर सकता हूँ। मैं

//$data1 = array(); 
foreach ($row as $key => $value) 
{ 
    $key = strtolower($str); 
    $data1[$key] = $value; 
} 
$data[] = $data1; 

करने की कोशिश की लेकिन यह काम नहीं कर रहा

यह मेरा सरणी, यह भी वस्तुएं शामिल है, यह एक उसे प्रिंट करके सभी

Array ([0] => stdClass Object ([ID] => 4 [TUTOR_ID] => 4 [PRICE] => 25 [TITLE] => Introduction Mathematical Analysis [FEATURED] => 1 [DESCRIPTION] => This course provides the user with a smooth introduction in the field of Mathematical Analysis. [DATE_ADDED] => 0 [rating] => 2 [subscribers] => 18 [categories] => Array () [languages] => Array () [chapters] => Array ([0] => stdClass Object ([ID] => 49 [COURSE_ID] => 4 [START_TIME] => 3977118 [END_TIME] => 3982720 [DURATION] => 3600 [TITLE] => Conclusions & Questioning [DESCRIPTION] => Wrap-up and Discussions.) [1] => stdClass Object ([ID] => 48 [COURSE_ID] => 4 [START_TIME] => 3821895 [END_TIME] => 3826718 [DURATION] => 4200 [TITLE] => Chapter 23 [DESCRIPTION] => Chapter 23\'s Description) [2] => stdClass Object ([ID] => 47 [COURSE_ID] => 4 [START_TIME] => 3653545 [END_TIME] => 3658238 [DURATION] => 4200 [TITLE] => Chapter 22 [DESCRIPTION] => Chapter 22\'s Description) [3] => stdClass Object ([ID] => 46 [COURSE_ID] => 4 [START_TIME] => 3490243 [END_TIME] => 3495917 [DURATION] => 4200 [TITLE] => Chapter 21 [DESCRIPTION] => Chapter 21\'s Description) [4] => stdClass Object ([ID] => 45 [COURSE_ID] => 4 [START_TIME] => 3338210 [END_TIME] => 3343938 [DURATION] => 4200 [TITLE] => Chapter 20 [DESCRIPTION] => Chapter 20\'s Description) [5] => stdClass Object ([ID] => 44 [COURSE_ID] => 4 [START_TIME] => 3169837 [END_TIME] => 3174154 [DURATION] => 4200 [TITLE] => Chapter 19 [DESCRIPTION] => Chapter 19\'s Description) [6] => stdClass Object ([ID] => 43 [COURSE_ID] => 4 [START_TIME] => 3016815 [END_TIME] => 3020020 [DURATION] => 4200 [TITLE] => Chapter 18 [DESCRIPTION] => Chapter 18\'s Description) [7] => stdClass Object ([ID] => 42 [COURSE_ID] => 4 [START_TIME] => 2858254 [END_TIME] => 2862309 [DURATION] => 4200 [TITLE] => Chapter 17 [DESCRIPTION] => Chapter 17\'s Description) [8] => stdClass Object ([ID] => 41 [COURSE_ID] => 4 [START_TIME] => 2703813 [END_TIME] => 2706641 [DURATION] => 4200 [TITLE] => Chapter 16 [DESCRIPTION] => Chapter 16\'s Description) [9] => stdClass Object ([ID] => 40 [COURSE_ID] => 4 [START_TIME] => 2551822 [END_TIME] => 2555208 [DURATION] => 4200 [TITLE] => Chapter 15 [DESCRIPTION] => Chapter 15\'s Description) [10] => stdClass Object ([ID] => 39 [COURSE_ID] => 4 [START_TIME] => 2382407 [END_TIME] => 2387901 [DURATION] => 4200 [TITLE] => Chapter 14 [DESCRIPTION] => Chapter 14\'s Description) [11] => stdClass Object ([ID] => 38 [COURSE_ID] => 4 [START_TIME] => 2225619 [END_TIME] => 2231232 [DURATION] => 4200 [TITLE] => Chapter 13 [DESCRIPTION] => Chapter 13\'s Description) [12] => stdClass Object ([ID] => 37 [COURSE_ID] => 4 [START_TIME] => 2064552 [END_TIME] => 2068656 [DURATION] => 4200 [TITLE] => Chapter 12 [DESCRIPTION] => Chapter 12\'s Description) [13] => stdClass Object ([ID] => 36 [COURSE_ID] => 4 [START_TIME] => 1913475 [END_TIME] => 1916306 [DURATION] => 4200 [TITLE] => Chapter 11 [DESCRIPTION] => Chapter 11\'s Description) [14] => stdClass Object ([ID] => 35 [COURSE_ID] => 4 [START_TIME] => 1750950 [END_TIME] => 1756908 [DURATION] => 4200 [TITLE] => Chapter 10 [DESCRIPTION] => Chapter 10\'s Description) [15] => stdClass Object ([ID] => 34 [COURSE_ID] => 4 [START_TIME] => 1587965 [END_TIME] => 1592709 [DURATION] => 4200 [TITLE] => Chapter 9 [DESCRIPTION] => Chapter 9\'s Description) [16] => stdClass Object ([ID] => 33 [COURSE_ID] => 4 [START_TIME] => 1431054 [END_TIME] => 1435008 [DURATION] => 4200 [TITLE] => Chapter 8 [DESCRIPTION] => Chapter 8\'s Description) [17] => stdClass Object ([ID] => 32 [COURSE_ID] => 4 [START_TIME] => 1280421 [END_TIME] => 1283872 [DURATION] => 4200 [TITLE] => Chapter 7 [DESCRIPTION] => Chapter 7\'s Description) [18] => stdClass Object ([ID] => 31 [COURSE_ID] => 4 [START_TIME] => 1123068 [END_TIME] => 1128464 [DURATION] => 4200 [TITLE] => Chapter 6 [DESCRIPTION] => Chapter 6\'s Description) [19] => stdClass Object ([ID] => 30 [COURSE_ID] => 4 [START_TIME] => 960918 [END_TIME] => 966370 [DURATION] => 4200 [TITLE] => Chapter 5 [DESCRIPTION] => Chapter 5\'s Description) [20] => stdClass Object ([ID] => 29 [COURSE_ID] => 4 [START_TIME] => 793943 [END_TIME] => 797123 [DURATION] => 4200 [TITLE] => Chapter 4 [DESCRIPTION] => Chapter 4\'s Description) [21] => stdClass Object ([ID] => 28 [COURSE_ID] => 4 [START_TIME] => 638285 [END_TIME] => 641130 [DURATION] => 4200 [TITLE] => Chapter 3 [DESCRIPTION] => Chapter 3\'s Description) [22] => stdClass Object ([ID] => 27 [COURSE_ID] => 4 [START_TIME] => 479384 [END_TIME] => 483993 [DURATION] => 4200 [TITLE] => Chapter 2 [DESCRIPTION] => Chapter 2\'s Description) [23] => stdClass Object ([ID] => 26 [COURSE_ID] => 4 [START_TIME] => 320101 [END_TIME] => 325435 [DURATION] => 4200 [TITLE] => Chapter 1 [DESCRIPTION] => Chapter 1\'s Description) [24] => stdClass Object ([ID] => 25 [COURSE_ID] => 4 [START_TIME] => 163844 [END_TIME] => 166828 [DURATION] => 2100 [TITLE] => Introductinon [DESCRIPTION] => A brief description of the course chapter's taken one by one along with the main notions and theories.))))

के लिए एक डेटाबेस से लाने, sry है

Answer 1

$data = array_change_key_case($data1,CASE_LOWER); 

http://www.php.net/manual/en/function.array-change-key-case.php