中午午休回忆PHP的一些语句if else while switch list each for foreach等

if(){…}
if(){…}else{…}
if(){…}else if(){…}else if(){…}
while(){…}
do{…..}while();
for($i=1; $i<100; $i++){…}
switch(){
case 1: echo “1111”; break;
case 2: echo “2222”; break;
case 3: echo “3333”; break;
}
foreach($ar as $key=>$val){….}
list($key,$val);
each($arr);
list(key,$val)=each($ar);

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