return array(‘name’ => ‘John’, ‘age’ => 25); } $result = getAssociativeArray(); print_r($result); “` 输出结果为:Array ( [name] => John [age] => 25 )。 3. 返回多维数组 我们也可以返回多维数组,即数组中包含数组。如下所示: “`php function getMultiDimensionalArray() { retu...
php\r\n".'return '.arrayeval($values,$format).";";returnwritefile($cachefile,$cachetext); }//数组转换成字串函数functionarrayeval($array,$format=false,$level=0) {$space=$line='';if(!$format) {for($i=0;$i<=$level;$i++) {$space.="\t"; }$line="\n"; }$evaluate='Array ...
print_r($array); // 输出:Array ( [0] => 1 [1] => 2 [2] => 3 ) “` 2. 使用return关键字返回一个关联数组: “`php function getAssociativeArray() { return array(“name” => “John”, “age” => 30, “city” => “New York”); } $array = getAssociativeArray(); print_...
php\r\n".'return '.arrayeval($values,$format).";";returnwritefile($cachefile,$cachetext); }//数组转换成字串函数functionarrayeval($array,$format=false,$level=0) {$space=$line='';if(!$format) {for($i=0;$i<=$level;$i++) {$space.="\t"; }$line="\n"; }$evaluate='Array ...
function getArray() { $array = array("apple", "banana", "cherry"); return$array; } function getObject() { $object = newstdClass(); $object->name = "John"; $object->age = 30; return$object; } $resultArray = getArray(); ...
function greet(string $name, string $greeting = "你好") { return "$greeting, $name!"; } // 可变参数(...$args) function sum(...$numbers) { return array_sum($numbers); } // 调用示例 $bmi = calculateBMI(70, 175); echo "BMI: " . round($bmi, 2) . "\n"; ...
$squared = array_map(function($n) { return $n * $n; }, $numbers); // $squared = [1, 4, 9] array_filter 结合条件: php $users = ["Alice" => 25, "Bob" => 18]; $adults = array_filter($users, function($age) { return $age >= 18; });...
private function checkTime() { if (F('CRON_CONFIG')) { $crons = F('CRON_CONFIG'); } else if (C('CRON_CONFIG')) { $crons = C('CRON_CONFIG'); } if (!empty($crons) && is_array($crons)) { $update = false; $log = array(); ...
functionarray_kshift(&$arr) { list($k)=array_keys($arr); $r=array($k=>$arr[$k]); unset($arr[$k]); return$r; } array_kshift($arr); print_r($arr); ?> 以上实例输出结果为: Array([2]=>2[3]=>3) 更多内容:PHP 删除数组的第一个元素 ...
array(value1,value2,value3,etc.);Syntax for associative arrays: array(key=>value,key=>value,key=>value,etc.);ParameterDescription key Specifies the key (numeric or string) value Specifies the valueTechnical DetailsReturn Value: Returns an array of the parameters PHP Version: 4+ Changelog: As...