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echo("test");
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echo "<br>test2";
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<?php
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echo "<br>test3";
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echo "test";
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$a=1;
function test(){
echo $a;
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function test2(){
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$a="hello";
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<?
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function func_1(){
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function fun($callback){
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?>
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$a[0]="abc";
$a[1]="def";
$b["foo"]=13;
$a[]="hello";    //$a[2]="hello"
$a[]="world";    //$a[3]="world"
$name[]="jill";    //$name[0]="jill"
$name[]="jack";    //$name[1]="jack"
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