Get key of array php
(PHP 4, PHP 5, PHP 7, PHP 8) Show array_keys — Return all the keys or a subset of the keys of an array Descriptionarray_keys(array array_keys(array If a Parametersarray An array containing keys to return. search_value If specified, then only keys containing this value are returned. strict Determines if strict comparison (===) should be used during the search. Return Values Returns an array of all the keys in ExamplesExample #1 array_keys() example
The above example will output: Array ( [0] => 0 [1] => color ) Array ( [0] => 0 [1] => 3 [2] => 4 ) Array ( [0] => color [1] => size ) See Also
pat dot leblanc at gmail dot com ¶ 11 years ago
= array('329462291595' =>null, 'ZZ291595' => null); Sven (bitcetera.com) ¶ 16 years ago
phpnet at holodyn dot com ¶ 8 years ago
Ian (maxianos at hotmail dot com) ¶ 8 years ago
$arrayKeys; zammit dot andrew at gmail dot com ¶ 8 years ago
= array(); Robert C. ¶ 6 years ago
$array as $key => $val ) { Paul Hirsch ¶ 7 years ago
Md. Abutaleb ¶ 2 years ago
0] => first_index el dot quick at gmail dot com ¶ 11 years ago
jochem ¶ 16 years ago
rodrigo at NOSPAM dot dhweb dot com dot br ¶ 19 years ago
" ferrerna at gmail dot com ¶ 13 years ago
= db_query('SELECT name, value FROM properties');$result = db_returnAll($query);/* This will return an array like so: izzecold at live dot de ¶ 10 years ago
function mKeyChecker($arr,$keys=array()) { Hayley Watson ¶ 14 years ago
vesely at tana dot it ¶ 16 years ago
ru dot dy at gmx dot net ¶ 17 years ago
sip at email dot ee ¶ 19 years ago
creator at mindcreations dot com ¶ 15 years ago
$ar as $k => $v) {
craig1231 at hotmail dot com ¶ 10 years ago
$keys as $k) webmaster [at] baz-x [dot] at ¶ 17 years ago
$array; glennh at webadept dot net ¶ 19 years ago
neil at 11 out of 10 ¶ 14 years ago
qeremy [atta] gmail [dotta] com ¶ 10 years ago
array_keys_prefix_multi($arr, $pref = "") { anthony at berglas dot org ¶ 10 years ago
Na'ven Enigma ¶ 10 years ago
nodarinodo at mail dot ru ¶ 13 years ago
$i =0; $i < count(array_keys($es, $ess)); $i++){ How get key from value in array in PHP?If you have a value and want to find the key, use array_search() like this: $arr = array ('first' => 'a', 'second' => 'b', ); $key = array_search ('a', $arr); $key will now contain the key for value 'a' (that is, 'first' ).
What is Array_keys () used for?The array_keys() is a built-in function in PHP and is used to return either all the keys of and array or the subset of the keys. Parameters: The function takes three parameters out of which one is mandatory and other two are optional.
What is key in PHP array?The key() function simply returns the key of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any way. If the internal pointer points beyond the end of the elements list or the array is empty, key() returns null .
How get the key of an object in PHP?You can cast the object to an array like this: $myarray = (array)$myobject; And then, for an array that has only a single value, this should fetch the key for that value. $value = key($myarray);
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