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Posted by WildernessCat on 10/15/07 13:09
Hello there!
Suppose I have an associative array that looks like this:
$arr['alpha_1'] = 'some value';
$arr['alpha_3'] = 'some value';
$arr['alpha_4'] = 'some value';
$arr['beta_2'] = 'some value';
$arr['beta_4'] = 'some value';
$arr['beta_6'] = 'some value';
$arr['gamma_1'] = 'some value';
$arr['gamma_5'] = 'some value';
$arr['gamma_6'] = 'some value';
$arr['gamma_7'] = 'some value';
Let's assume that the array is reasonably large (hundreds of entries).
Is there an efficient way of getting all the items whose key starts
with 'beta'? (without doing a foreach/strncmp loop?)
Thanks in advance,
Danny
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