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<code>
<?php
/* php鏁欑▼ www.512Pic.com */
//妯℃嫙sql鏁版嵁
$array = array(0=>'apple',1=>'banana',2=>'cat',3=>'dog',4=>'egg','5'=>'father');
//function 鐢ㄦ硶1
//arr 鏄紶鍏ョ殑鏁版嵁 $con 鏄潯浠
function f_1($arr,$con){
//杩欓噷鐨 array 鏄繖涓嚱鏁板唴绉佹湁鐨勶紝涓嶄細鍜屽嚭闈㈢殑array鍐茬獊
//鎵浠ワ紝澶栧湴闈㈢殑 array涓嶉噷鐩存帴鍦ㄥ唴闈㈢敤锛岄噷闈㈢殑array涔熶笉鑳界洿鎺ュ闈㈢敤
//鍏堝疄渚嬩竴涓猘rray
$array = array();
//for foreach while 鐢ㄦ硶閮界被浼硷紝鍏蜂綋baidu
foreach ($arr as $key => $value) {
//濡傛灉寰幆鍑烘潵鐨 value 绛変簬 con 鐨勮瘽锛屽氨鎶婁粬鍔犲叆鍒版暟缁
if ($value == $con) {
//鏁扮粍鍜屽彉閲忕殑鍖哄埆鍦ㄤ簬鍔犱簡涓 []
$array[] = array($key => $value);
}
}
//寰幆寰楀埌缁撴灉鍚 杩斿洖鏁扮粍銆傛墍浠ワ紝杩欎釜鍑芥暟灏辨槸涓涓暟缁
return $array;
//return 鎵ц鍚庡氨缁堟柇浜嗭紝鏃犺鍚庨潰杩樻湁浠涔堜唬鐮 閮戒笉浼氳鎵ц
//return鍙互鐪嬪仛鏄竴涓嚱鏁扮粨鏉熺殑鍦版柟
}
//function 鐢ㄦ硶2
//$con 鍙互鏄暟缁
function f_2($arr,$con){
//鍏堝疄渚嬩竴涓彉閲
$code = '<ul>';
foreach ($arr as $key => $value) {
//閲岄潰鐨刦or寰幆 鏄 寰幆鍑篶on鍐呭
foreach ($con as $value2) {
// .= 寰鍚庢坊鍔犳洿澶 杩炵画瀹氫箟鍙橀噺
// 濡傛灉绗竴灞傛暟鎹惊鐜嚭鏉ョ殑鍊硷紝鍜岀浜屽眰鏉′欢寰幆鍑虹幇鐨勫肩浉鍚岋紝娣诲姞鍒 鍙橀噺閲
//澶氫釜for寰幆鏉ヨ繃婊ゆ暟鎹篃绉颁负 閫掑綊
if ($value == $value2) {
$code .= '<li>'.$value.'</li>';
}
}
}
$code .= '</ul>';
//寰幆寰楀埌缁撴灉鍚 杩斿洖鍙橀噺銆傛墍浠ワ紝杩欎釜鍑芥暟灏辨槸涓涓瓧绗︿覆
return $code;
}
//function 鐢ㄦ硶3
//鍦ㄥ嚱鏁伴噷 echo 鍜 return 鏈変粈涔堝尯鍒 鐪嬫墽琛岀粨鏋
function f_3($arr,$con){
//鍏堝疄渚嬩竴涓彉閲
echo '<ul>';
foreach ($arr as $key => $value) {
//閲岄潰鐨刦or寰幆 鏄 寰幆鍑篶on鍐呭
foreach ($con as $value2) {
// .= 寰鍚庢坊鍔犳洿澶 杩炵画瀹氫箟鍙橀噺
// 濡傛灉绗竴灞傛暟鎹惊鐜嚭鏉ョ殑鍊硷紝鍜岀浜屽眰鏉′欢寰幆鍑虹幇鐨勫肩浉鍚岋紝娣诲姞鍒 鍙橀噺閲
//澶氫釜for寰幆 鍘昏繃婊ゆ暟鎹篃绉颁负 閫掑綊
if ($value == $value2) {
echo '<li>'.$value.'</li>';
}
}
}
echo '</ul>';
}
?>
f_1 output start<br/>
<?php
/* php鏁欑▼ www.512Pic.com */
//鍥犱负 f_1 鏄竴涓暟缁勶紝鎴戜滑鍙互鎵撳嵃鍑烘潵
print_r(f_1($array,'banana'));
?>
<br/>f_1 output end
<hr/><br/>
f_2 output start<br/>
<?php
/* php鏁欑▼ www.512Pic.com */
//f_2 鏄彉閲
$con = array('apple','father');
echo f_2($array,$con);
?>
<br/>f_2 output end
<hr/><br/>
f_2 output start<br/>
<?php
/* php鏁欑▼ www.512Pic.com */
//f_3 宸茬粡鍦ㄥ嚱鏁伴噷闈cho 浜嗭紝鎵浠ュ湪鍑芥暟鎵ц鏃朵笉鐢╡cho
$con = array('apple','father');
f_3($array,$con);
?>
<br/>f_2 output end
</code>
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