array_keys( ) returns an array of all the keys in that array : array_keys « Data Structure « PHP






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array_keys( ) returns an array of all the keys in that array

 
array array_keys ( array arr [, mixed search [, bool strict]] )
<?
    $users[923] = 'T';
    $users[100] = 'S';
    $users[1202] = 'C';
    $userids = array_keys($users);


    $users[923] = 'T';
    $users[100] = 'S';
    $users[1202] = 'C';
    $userids = array_keys($users, "T");
?>








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