PHP 判斷數(shù)組中是否存在某個元素
$all_Array = array('info','jianshu','CoderZB',1993,03,12);
$isContains = in_array("CoderZB",$all_Array);
if($isContains){
print_r("該元素包含在數(shù)組中");
}else{
print_r("該元素沒有包含在數(shù)組中");
}
該元素包含在數(shù)組中
PHP 判斷數(shù)組中是否存在某個key
$all_Array=array("sex"=>"male","age"=>80,"education"=>"university");
if(array_key_exists("education",$all_Array)){
print_r("該key包含在數(shù)組中");
}else{
print_r("該key沒有包含在數(shù)組中");
}
該key包含在數(shù)組中
PHP 判斷數(shù)組中根據(jù)value搜索對應(yīng)的key
$all_Array = array("sex"=>"male","age"=>80,"education"=>"university","level"=>"good");
if(array_search("university",$all_Array)){
print_r(array_search("university",$all_Array));
}
education
