PHPÖжàάÊý×éµÄÅÅÐò
1.Óû§¶¨ÒåÅÅÐò£ºusort($array, functionName);ÆäÖÐfunctionNameΪÓû§¶¨ÒåµÄº¯ÊýÃû£¬Óû§¶¨ÒåµÄº¯ÊýÖ¸¶¨ÅÅÐò¹æÔò£¬±È½ÏÊý×éÖÐÁ½¸öÔªËصĴóС£¬´óÓÚ·µ»ØÕýÊý£¬Ð¡ÓÚ·µ»Ø¸ºÊý£¬µÈÓÚ·µ»Ø0¡£2.·´ÏòÓû§ÅÅÐò£ºÓû§¶¨Ò庯Êýʱ£¬±È½ÏÊý×éÖÐÁ½¸öÔªËصĴóС£¬´óÓÚ·µ»Ø¸ºÊý£¬Ð¡ÓÚ·µ»ØÕýÊý£¬µÈÓÚ·µ»Ø0¡£$fruits = array(array('APP', 'Apple', 3.2), array('ORG', 'Orange', 2.6),
array('JIM','linina','3.4'));
echo 'Init:
';
foreach($fruits as $key)
{
echo $key['2'];
}
//°´Ãû³ÆÅÅÐò
function compareByName($x, $y) {
if ($x[1] == $y[1]) {
return 0;
}
else if ($x[1] > $y[1]) {
return 1;
} else {
return -1;
}
}
usort($fruits, 'compareBYName');
echo '
Compare By Name:
';
for ($i = 0; $i < 3; $i++) {
for ($j = 0; $j < 3; $j++) {
echo '|'.$fruits[$i][$j];
}
echo '
';
}
//°´¼Û¸ñÅÅÐò
function compareByPrice($x, $y) {
if ($x[2] == $y[2]) {
return 0;
}
else if ($x[2] > $y[2]) {
return 1;
}
else {
return -1;
}
}
usort($fruits, 'compareBYPrice');
echo '
Compare By Price:
';
for ($i = 0; $i < 3; $i++) {
for ($j = 0; $j < 3; $j++) {
echo '|'.$fruits[$i][$j];
}
echo '
';
}
//°´¼Û¸ñ·´ÏòÅÅÐò
function reverse_compareByPrice($x, $y) {
if ($x[2] == $y[2]) {
return 0;
}
else if ($x[2] > $y[2]) {
return -1;
}
else {
return 1;
}
}
usort($fruits, 'reverse_compareByPrice');
echo '
Reverse Compare By Price:
';
for ($i = 0; $i < 3; $i++) {
for ($j = 0; $j < 3; $j++) {
echo '|'.$fruits[$i][$j];
}
echo '
';
}
?>
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<?php
$base_dir="filelist/";
$fso=opendir($base_dir);
echo $base_dir."<hr/>";
whil ......
<?php
function outputMyName($fname) {
echo "ÎÒµÄÃû×ֽР";
echo "ÖÜ ".$fname."<br />";
}
?>
<html>
<body>
<?php
outputMyName("ʤ³¬");
outputMyName("Óîºã");
outputMyName("ÓîÃË");
?>
</body>
</html>
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