Get array key by value php
(PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8) Show 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 ¶ 1 year 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; How do you find array keys?The array_keys() function is used to get all the keys or a subset of the keys of an array. Note: If the optional search_key_value is specified, then only the keys for that value are returned. Otherwise, all the keys from the array are returned. Specified array.
What is array_keys () used for in PHP?The array_keys() function returns an array containing the keys.
How can we get particular data from array in PHP?Answer: Use the Array Key or Index
If you want to access an individual value form an indexed, associative or multidimensional array you can either do it through using the array index or key.
What is $Key in PHP?Returns the key of the array element that is currently being pointed to by the internal pointer. PHP Version: 4+
|