\/*<\/p>\n\n\n\n
each,list,foreach\u9019\u4e09\u500b\u4e3b\u8981\u7528\u5728\u53d6\u51fa\u9663\u5217\u8cc7\u6599\u4e0a
each\u5bd2\u5f0f\u7528\u4f86\u56de\u50b3\u9663\u5217\u5167\u7684key\u548cvalue,\u5e38\u642d\u914dwhile\u8ff4\u5708\u8207list\u5bd2\u6578\u53d6\u51fa\u9663\u5217\u8cc7\u6599
\u800c\u4f55\u8b02key\u548cvalue\u5462?\u5728\u9019\u884c\u4e2d
$arraydata = array(‘0’=>’aaa’,’1’=>’bbb’,’2’=>’ccc’);
0,1,2\u5c31\u662fkey\u4e86,\u800caaa,bbb,ccc\u5c31\u662fvalue
key\u4e5f\u53ef\u4ee5\u662f\u5b57\u4e32,\u5982\u4e0b\u884c
$arraydata = array(‘a’=>’aaa’,’b’=>’bbb’,’c’=>’ccc’);
\u73fe\u5728a,b,c\u8b8a\u6210key\u4e86<\/p>\n\n\n\n
list\u4e3b\u8981\u7528\u4f86\u63a5\u6536\u9663\u5217\u50b3\u4f86\u7684\u8cc7\u6599,\u7136\u5f8c\u5728\u6307\u5b9a\u5230\u5c0d\u61c9\u7684\u8b8a\u6578\u540d\u7a31\u4e0a,
\u800c\u4e00\u822c\u5728\u4f7f\u7528\u6642\u90fd\u6703\u642d\u914deach\u6216\u5176\u4ed6\u5bd2\u5f0f\u4f7f\u7528
\u4f46each\u548clist\u537b\u4e0d\u80fd\u55ae\u9760\u81ea\u5df1\u5c31\u628a\u9663\u5217\u5167\u7684\u8cc7\u6599\u5b8c\u6574\u53d6\u51fa,\u9700\u8981\u8f14\u52a9\u5176\u4ed6\u5bd2\u5f0f\u6216\u8ff4\u5708\u624d\u884c<\/p>\n\n\n\n
\u4f8b\u5982 while(list(\u8b8a\u65781,\u8b8a\u65782)=each(\u9663\u5217\u8b8a\u6578)){\u6558\u8ff0;}<\/p>\n\n\n\n
\u800cforeach\u53ef\u4ee5\u55ae\u9760\u81ea\u5df1\u5c31\u53ef\u4ee5\u53d6\u5f97\u9663\u5217\u4e2d\u5b8c\u6574\u7684\u8cc7\u6599,\u800c\u4e14foreach\u662f\u8ff4\u5708
\u63db\u53e5\u8a71\u8aaa\u4f7f\u7528foreach\u548c\u4f7f\u7528list\u52a0each\u548cwhile\u7684\u7d50\u679c\u662f\u5dee\u4e0d\u591a\u7684<\/p>\n\n\n\n
\u4f8b\u5982 foreach( \u9663\u5217\u8b8a\u6578 as $key=>$value){\u6558\u8ff0;}*\/<\/p>\n\n\n\n
$arraydata = array(‘0’=>’aaa’,’1’=>’bbb’,’2’=>’ccc’);
\/\/\u6211\u60f3\u628a\u8a72\u9663\u5217\u88e1\u7684\u503c(value)\u5217\u51fa\u4f86,\u4e5f\u5c31\u662f\u88e1\u9762\u7684\u8cc7\u6599,\u5982aaa,bbb,ccc
\/\/\u6211\u53ef\u4ee5\u6709\u4ee5\u4e0b\u5e7e\u7a2e\u505a\u6cd5<\/p>\n\n\n\n
\/\/\u65b9\u6cd51<\/strong> \u6578\u5b57\u624d\u53ef\u4ee5\u7528,\u5982\u679c\u63db\u6210\u5b57\u4e32\u5c31\u4e0d\u80fd\u7528\u4e86*\/<\/p>\n\n\n\n \/\/\u65b9\u6cd52<\/strong> \/\/\u65b9\u6cd53<\/strong> \/* \u8981\u662f\u6578\u503c,\u5426\u5247\u7121\u6cd5\u505a\u7528 ,\u5982\u679c\u8981\u5728\u4f7f\u7528\u7b2c\u4e8c\u6b21\u6642,\u8981\u4f7f\u7528reset\u5bd2\u5f0f\u5c07\u9663\u5217\u7684\u5167\u90e8\u6307\u6a19\u79fb\u5230\u6700\u524d\u9762\u624d\u53ef\u4ee5\u4f7f\u7528 \u7bc4\u4f8b\u5982\u4e0a \/* <\u7c21\u55ae\u7684\u8aaa> each,list,foreach …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[14],"tags":[],"class_list":["post-543","post","type-post","status-publish","format-standard","hentry","category-develop"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=543"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/543\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
list($var1,$var2,$var3)=$arraydata;
echo $var1.”
“;
echo $var2.”
“;
echo $var3.”
“;<\/strong>
\/*\u57f7\u884c\u7d50\u679c
aaa
bbb
ccc
\u4e0d\u904e\u9019\u7a2e\u5beb\u6cd5\u6c92\u4ec0\u9ebc\u5f48\u6027,\u842c\u4e00\u9663\u5217\u53c8\u65b0\u589e\u8cc7\u6599\u5c31\u6c92\u7528\u4e86,\u800c\u4e14\u9375\u503c(key),\u4e5f\u5c31\u662f\u88e1\u9762\u76840,1,2,\u5fc5\u9808\u8981\u50cf\u9019\u6a23\u662f<\/p>\n\n\n\n
while(list($var1,$var2)=each($arraydata)){
echo “key=”.$var1.” value=”.$var2.”
“;
}<\/strong>
\/*\u57f7\u884c\u7d50\u679c
key=0 value=aaa
key=1 value=bbb
key=2 value=ccc
\u9019\u7a2e\u65b9\u6cd5\u5c31\u5f48\u6027\u591a\u4e86,\u7121\u8ad6\u6211\u9663\u5217\u589e\u52a0\u591a\u5c11\u8cc7\u6599,\u7a0b\u5f0f\u90fd\u53ef\u4ee5\u4e00\u4e00\u5217\u51fa,\u4f46\u8907\u96dc\u4e86\u9ede*\/<\/p>\n\n\n\n
foreach($arraydata as $var){
echo “value=”.$var.”
“;
}<\/strong>
\/*\u57f7\u884c\u7d50\u679c
value=aaa
value=bbb
value=ccc
\u9019\u7a2e\u65b9\u6cd5\u5c31\u6bd4\u8f03\u4e0d\u8907\u96dc\u4e86,\u5982\u679c\u60f3\u9023key\u90fd\u5217\u51fa\u4f86\u53ef\u4ee5\u9019\u6a23\u5beb
*\/
foreach($arraydata as $var1=>$var2){
echo “key=”.$var1.” value=”.$var2.”
“;
}<\/strong>
\/*\u57f7\u884c\u7d50\u679c
key=0 value=aaa
key=1 value=bbb
key=2 value=ccc
*\/<\/p>\n\n\n\n\/\/<\u5176\u4ed6\u88dc\u5145\u8aaa\u660e><\/strong><\/h2>\n\n\n\n
\u5bd2\u5f0f\u540d\u7a31:list<\/strong>
\u5bd2\u5f0f\u539f\u578b:void list(mixed varname,mixed…)
\u8a73\u7d30\u8aaa\u660e:list\u901a\u5e38\u642d\u914deach\u4f86\u4f7f\u7528,\u6216\u662fsplit,explode\u7b49,\u8981\u6ce8\u610f\u7684\u4e8b,\u4f7f\u7528list\u5728\u9663\u5217\u4e0a\u6642,\u9663\u5217\u7684key\u4e00\u5b9a<\/p>\n\n\n\n
*\/
\/\/\u7bc4\u4f8b1
$arraydata = “aaa,bbb,ccc”;
list($v1,$v2,$v3) = split(“,”,$arraydata);
echo $v1.”n”;
echo $v2.”n”;
echo $v3.”n”;
\/*\u57f7\u884c\u7d50\u679c
aaa bbb ccc<\/p>\n\n\n\n
\u5bd2\u5f0f\u540d\u7a31:each<\/strong>
\u5bd2\u5f0f\u539f\u578b:array each(array array)
\u8a73\u7d30\u8aaa\u660e:\u5f9e\u50b3\u5165\u7684\u9663\u5217\u4e2d\u6293\u53d6key\u53cavalue\u51fa\u4f86,\u4e26\u628a\u9663\u5217\u5167\u90e8\u6307\u6a19\u5f80\u5f8c\u79fb,\u7576\u79fb\u5230\u6700\u5f8c\u9762\u6642\u6703\u56de\u50b3false\u5e03\u6797\u503c<\/p>\n\n\n\n
*\/
\/\/\u7bc4\u4f8b1
echo “
“;
$arraydata = array(‘0’=>’aaa’,’1’=>’bbb’,’2’=>’ccc’);
echo “run1
“;
while(list($var1,$var2)=each($arraydata)){
echo “key=”.$var1.” value=”.$var2.”
“;
}
\/\/\u7b2c\u4e8c\u6b21\u56e0\u70ba\u5167\u90e8\u6307\u6a19\u5728\u5f8c\u9762\u6240\u4ee5\u6703\u76f4\u63a5\u7d50\u675f
echo “run2
“;
while(list($var1,$var2)=each($arraydata)){
echo “key=”.$var1.” value=”.$var2.”
“;
}
\/\/\u4f7f\u7528reset
echo “run3
“;
reset($arraydata);
while(list($var1,$var2)=each($arraydata)){
echo “key=”.$var1.” value=”.$var2.”
“;
}
\/*\u57f7\u884c\u7d50\u679c
run1
key=0 value=aaa
key=1 value=bbb
key=2 value=ccc
run2
run3
key=0 value=aaa
key=1 value=bbb
key=2 value=ccc<\/p>\n\n\n\n
\u540d\u7a31:foreach \u8ff4\u5708<\/strong>
\u8aaa\u660e:\u9019\u662f\u7d66\u9663\u5217\u4f7f\u7528\u7684\u8ff4\u5708\uff0c\u80fd\u540c\u6642\u53d6\u51favalue\u548ckey
\u8ff4\u5708\u539f\u5f621:foreach(array_expression as $value) statement
\u53ea\u53d6\u51fa\u9663\u5217\u4e2d\u7684value
\u8ff4\u5708\u539f\u5f622:foreach(array_expression as $key => $value) statement
\u53d6\u51fa\u9663\u5217\u4e2d\u7684value\u548ckey<\/p>\n\n\n\n
foreach($arraydata as $var1=>$var2){
echo “key=”.$var1.” value=”.$var2.”
“;
}
\u57f7\u884c\u7d50\u679c\u5982\u4e0a
key=0 value=aaa
key=1 value=bbb
key=2 value=ccc
*\/
?><\/p>\n","protected":false},"excerpt":{"rendered":"