Hướng dẫn php array_search multidimensional
Assume we have the following 2-dimensional array:
If I want to search a key I can use (and get 0 in this example):
But what do I use if I want to get the key for two attributes that should match a specific value. Like I want to search for the key that has (PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8) array_search — Searches the array for a given value and returns the first corresponding key if successful Descriptionarray_search(mixed Parametersneedle The searched value.
haystack The array. strict If the third parameter Return Values Returns the key for If Warning This function may return Boolean ExamplesExample #1 array_search() example
See Also
turabgarip at gmail dot com ¶ 5 years ago
opencart dot ocfilter at gmail dot com ¶ 11 months ago
(array_search('needle', [ 0 => 0 ])); // int(0) (!)var_dump(array_search('needle', [ 0 => 0 ], true)); // bool(false)?> thinbegin at gmail dot com ¶ 4 years ago
cue at openxbox dot com ¶ 19 years ago
while (($key = array_search("a", $code)) != NULL)
stefano@takys dot it ¶ 11 years ago
nordseebaer at gmx dot de ¶ 2 years ago
yasien dot dwieb at gmail dot com ¶ 2 years ago
maciej at speccode dot com ¶ 7 years ago
= [ RichGC ¶ 16 years ago
$i = array_search("apple", $fruit_array)) n-regen ¶ 13 years ago
codeslinger at compsalot dot com ¶ 12 years ago
[$index] = array('key'=>$key, 'data'=>'foo');
stooshie at gmail dot com ¶ 10 years ago
helenadeus at gmail dot com ¶ 13 years ago
= array('a','b','a','b');$needle = 'a';print_r(array_search_all($needle, $haystack));//Output will be azaozz, gmail ¶ 13 years ago
.array_search("str1", $a, true).", andreas dot damm at maxmachine dot de ¶ 14 years ago
kermes [at] thesevens [dot] net ¶ 15 years ago
$result; |