What is array_search in php?
❮ PHP Array Reference Show ExampleSearch an array for the value "red" and return its key: $a=array("a"=>"red","b"=>"green","c"=>"blue"); Try it Yourself » Definition and UsageThe array_search() function search an array for a value and returns the key. Syntaxarray_search(value, array, strict) Parameter Values
Technical Details
More ExamplesExampleSearch an array for the value 5 and return its key (notice the ""): $a=array("a"=>"5","b"=>5,"c"=>"5"); Try it Yourself » ❮ PHP Array Reference (PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8) array_search — Searches the array for a given value and returns the first corresponding key if successful Descriptionarray_search(mixed Parametersneedle The searched value.
haystack The array. strict If the third parameter Return Values Returns the key for If Warning This function may return Boolean ExamplesExample #1 array_search() example
See Also
turabgarip at gmail dot com ¶ 5 years ago
opencart dot ocfilter at gmail dot com ¶ 11 months ago
(array_search('needle', [ 0 => 0 ])); // int(0) (!)var_dump(array_search('needle', [ 0 => 0 ], true)); // bool(false)?> thinbegin at gmail dot com ¶ 4 years ago
cue at openxbox dot com ¶ 19 years ago
while (($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 ¶ 14 years ago
$result; What is the difference between In_array and array_search?The main difference between both the functions is that array_search() usually returns either key or index whereas in_array() returns TRUE or FALSE according to match found in search. Value: It specifies the value that needs to be searched in an array.
What are the 3 types of PHP arrays?Create an Array in PHP
In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays.
What is array_keys () used for in PHP?The array_keys() function returns an array containing the keys.
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' ).
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