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print “Hi my name is $a. I am $b”$$
echo “Hi my name is $a. I am $b”$$
echo “Hi my name is “.$a.”. I am “.$b;
echo “Hi my name is “,$a,”. I am “,$b;
echo ‘Hi my name is ‘,$a,’. I am ‘,$b;
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$arr1 = array('a'=>1,'b'=>2,'c'=>3,'d'=>4);
$array = array_flip($arr1);
showArr($array);
/*
Array
(
[1] => a
[2] => b
[3] => c
[4] => d
)
*/
array_key_exists
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<?php
//b.phpÎļþ
$file = 'testdir/file.txt';
for ($i=0;$i<10;$i++){
$fp = fopen($file,'a+');
fputs($fp, $i.'\r\n');
fclose($fp);
sleep(1);
}
?> ......
http://www.oracle.com/technology/global/cn/pub/notes/technote_php_instant.html
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