PHP鍒╃敤function鐢ㄦ硶濡備綍閫掑綊鍙妑eturn鍜宔cho鍖哄埆鐨勮В鍐冲姙娉
杩欑瘒鏂囩珷涓昏涓哄ぇ瀹惰缁嗕粙缁嶄簡PHP鍒╃敤function鐢ㄦ硶濡備綍閫掑綊鍙妑eturn鍜宔cho鍖哄埆鐨勭畝鍗曠ず渚嬶紝鍏锋湁涓瀹氱殑鍙傝冧环鍊硷紝鍙互鐢ㄦ潵鍙傝冧竴涓嬨
鎰熷叴瓒ｇ殑灏忎紮浼达紝涓嬮潰涓璧疯窡闅弍hp鏁欑▼鐨勫皬鐜叉潵鐪嬬湅鍚э紒
浠ｇ爜濡備笅:
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
<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>
|
娉細鍏充簬PHP鍒╃敤function鐢ㄦ硶濡備綍閫掑綊鍙妑eturn鍜宔cho鍖哄埆鐨勭畝鍗曠ず渚嬬殑鍐呭灏卞厛浠嬬粛鍒拌繖閲岋紝鏇村鐩稿叧鏂囩珷鐨勫彲浠ョ暀鎰
浠ヤ笂灏辨槸PHP鍒╃敤function鐢ㄦ硶濡備綍閫掑綊鍙妑eturn鍜宔cho鍖哄埆鐨勮В鍐冲姙娉曠殑璇︾粏鍐呭锛屾洿澶氫俊鎭鍏虫敞OD浜戝叾瀹冪浉鍏虫枃绔狅紒
鍠 娆 52