Convert array to have specific keys which have prefix "suf_"
<p>I have an associative array. In this array some keys have prefix "suf_". how I create a new array with these suffixed key and value? see the example below</p>

<pre><code>Array
(
[buildings_sum] =&gt; 
[accidental_damage] =&gt; 0
[landslip_cover] =&gt; 0
[loss_of_rent] =&gt; 
[loss_period] =&gt; 
[contents_sum] =&gt; 
[suf_household_contents_sum] =&gt; 
[damage_cover] =&gt; 0
[suf_tobacco_stock_sum] =&gt; 
[stock_sum] =&gt; 
[suf_buisness_interruption] =&gt; gb
[suf_buisness_interruption_indemnity] =&gt; 24 Months
[suf_increased_cost] =&gt; vb
[suf_increased_cost_indemnity] =&gt; 24 Months
[employer_liability] =&gt; 0
[liability_sum] =&gt; 2000000
[property_owner_liability] =&gt; 1000000
[goods_sum] =&gt; hvb
[freezer_stock] =&gt; bv
[money_night_safe] =&gt; vb
[money_locked_safe] =&gt; bv
[money_not_locked_safe] =&gt; cv
[private_dwelling_money] =&gt; fcv
[suf_change_machine_money] =&gt; cfv
[suf_gaming_machine_money] =&gt; 0
[personal_accident] =&gt; cfv
[glass] =&gt; cv
[book_debts] =&gt; cv
[suf_cover_guest] =&gt; 0
[terrorism_cover] =&gt; 0
[legal_expenses_cover] =&gt; 0
[loss_of_licence] =&gt; 0
[risks_cover] =&gt; 0
[voluntary_excess] =&gt; 250
[compulsory_excess] =&gt; h
)
</code></pre>
