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http_build_query()

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<?php
$string 
http_build_query (
    
// mixed $query_data
    
// [string $numeric_prefix]
    
// [string $arg_separator]
    
?  // [int $enc_type = PHP_QUERY_RFC1738]
);
?>
结果
$string = 'myvar_0=foo&myvar_1=bar&myvar_2=baz&myvar_3=boom&cow=milk&php=hypertext+processor'
示例
#1 http_build_query  (["foo" => "bar""baz" => "boom""cow" => "milk""php" => "hypertext processor"])
#2 http_build_query  (["foo" => "bar""baz" => "boom""cow" => "milk""php" => "hypertext processor"],
 
"",
 
"&amp;")
#3 http_build_query  ([=> "foo"=> "bar"=> "baz"=> "boom""cow" => "milk""php" => "hypertext processor"])
#4 http_build_query  ([=> "foo"=> "bar"=> "baz"=> "boom""cow" => "milk""php" => "hypertext processor"],
 
"myvar_")
#5 http_build_query  (["user" => ["name" => "Bob Smith""age" => 47"sex" => "M""dob" => "5/12/1956"], "pastimes" => [=> "golf"=> "opera"=> "poker"=> "rap"], "children" => ["bobby" => ["age" => 12"sex" => "M"], "sally" => ["age" => 8"sex" => "F"]], => "CEO"],
 
"flags_")
#6 http_build_query  (["foo" => "bar""baz" => "boom""cow" => "milk""php" => "hypertext processor"],
 
null,
 
"&",
 
PHP_QUERY_RFC3986)
另请参阅
array_walk, parse_str, parse_url, urlencode