php array_diff_assoc() function
Translation results：
diff
English ['dɪf] American ['dɪf]
abbr.differential differential (of); difference different; differ different; differentiator differentiator
assoc
English ['əsɒk] American ['əsɒk]
abbr.associate make happen contact; unite; associated; association alliance
php array_diff_assoc() functionsyntax
Use: Used to compare the key names and key values of two (or more) arrays and return the difference.
Description: This function compares the key names and key values of two (or more) arrays, and returns a difference array, which includes everything in the compared array (array1), but Key names and values that are not in any other parameter array (array2 or array3, etc.).
Syntax: array_diff_assoc(array1,array2,array3...);
Parameters:
| Parameters | Description |
| array1 | < td width="301" valign="top" style="word-break: break-all;">Required, the first array to be compared with other arrays|
| array2 | Required, the array to be compared with the first array |
| array3 | Optional, array to compare with the first array | < /tr>
php array_diff_assoc() functionexample
"red","b"=>"green","c"=>"blue","d"=>"yellow");
$a2=array("a"=>"red","b"=>"green","c"=>"blue");
$result=array_diff_assoc($a1,$a2);
print_r($result);
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