php array_flip() function
Translation results：
英[flɪp] 美[flɪp]
vt. Flick, tap; press (switch); flip quickly; swing
vi. Crazy; jerk; twist; Bounce
n. Somersault; Browse; Jump (of the barrel when shooting); Throw lightly
adj.[Spoken] Rude, rash, glib; rash, Reckless
Third person singular: flips Present participle: flipping Past tense: flipped Past participle: flipped Comparative: flipper Superlative: flippest
php array_flip() functionsyntax
Function: Used to reverse/exchange all key names in the array and their associated key values.
Syntax: array_flip(array);
Parameters:
| Parameters | Description |
| array | Required. Specifies the array whose key/value pairs need to be reversed. |
Description: Returns a reversed array. If the same value appears multiple times, the last key name will be its value, and all All other key names will be lost. If the data type of the value in the original array is not string or integer, the function will report an error.
php array_flip() functionexample
<?php
$a = array("class" => "php中文网","name" => "西门","job" => "讲师");
$result=array_flip($a);
print_r($result);
?>Run instance»
Click the "Run instance" button to view the online instance
Output:
Array ( [php中文网] => class [西门] => name [讲师] => job )
<?php
$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");
$result=array_flip($a1);
print_r($result);
?>Run Instance»
Click the "Run Instance" button to view the online instance
Output:
Array ( [red] => a [green] => b [blue] => c [yellow] => d )