29. Ban chĂ ÂźÂčo cntt cña cÂŹ quan ٦ng PHP & MySQL
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}
KĂt qu¶ khi chÂčy châÂŹng trĂnh :
Chi so ca bang Canada
Chi so cr bang Costa Rica
Chi so de bang Germany
Chi so uk bang United Kingdom
Chi so us bang United States
Nhâng nĂu thay dĂng asort ($countries); b»ng sort ($countries); kĂt
qu¶ sà l”
Chi so 0 bang Canada
Chi so 1 bang Costa Rica
Chi so 2 bang Germany
Chi so 3 bang United Kingdom
Chi so 4 bang United States
§à sŸp xĂp m¶ng tšng dĂn hay gi¶m dĂn theo chĂ sĂš chĂłng ta cĂŁ h”m
ksort() â tšng dĂn v” krsort() â gi¶m dĂn .
$countries = array(âeâ => âUnited Statesâ,
âdâ => âUnited Kingdomâ,
âcâ => âCanadaâ,
âbâ => âCosta Ricaâ,
âaâ => âGermanyâ);
ksort ($countries);
while (list($key, $val) = each($countries)) {
echo âChi so $key bang $val <BR>nâ;
}
KĂt qu¶ :
Chi so a bang Germany