常用的php函数

爱被打了一巴掌 2021-12-16 22:03 270阅读 0赞

程序中总会有一些常用的php函数,总结一下:

<?php
    /** * 把数组中的所有null变为空字符串 * @author Bruce 2020-09-01 * @param [type] $data [description] * @return [type] [description] */
    function no_null($data)
    { 
        array_walk_recursive($data, function (&$val) { 
            if ($val === null) { 
                $val = '';
            }
        });
        return $data;
    }
    
    // this-is-a-string => thisIsAString
    function camelize($input, $separator = '-')
    { 
        return lcfirst(str_replace($separator, '', ucwords($input, $separator)));
    }
    
    
    /** * 多维数组的key变成camelCase * @author Bruce 2020-08-25 * @param array $result [description] * @return [type] [description] */
    function camel_result($result = [])
    { 
        $result = json_encode($result, 320);
        $new = preg_replace_callback('/(?<=")[a-z_]+(?=":)/', function ($matches) { 
            return snake_to_camel($matches[0]);
        }, $result);
        return json_decode($new, true);
    }
    
    function check_timezone($value) { 
            try { 
                new DateTimeZone($value);
            } catch (Exception $e) { 
                return false;
            } catch (Throwable $e) { 
                return false;
            }
    
            return true;
    }
    
    function getAllHeaders()
    { 
        $keys = ['host', 'connection', 'x-forwarded-for', 'x-forwarded-proto', 'x-forwarded-host', 'x-forwarded-port', 'x-real-ip', 'content-length', 'ali-cdn-real-port', 'ali-cdn-real-ip', 'via', 'ali-swift-log-host', 'ali-swift-stat-host', 'x-client-scheme', 'eagleeye-traceid', 'authorization', 'x-encrypt', 'user-agent', 'content-type', 'accept-encoding'];
        $headers = array_filter($_SERVER, function ($key) use ($keys) { 
            $str = strtolower(str_replace(['HTTP_','_'], ['','-'], $key));
            return in_array($str, $keys);
        }, ARRAY_FILTER_USE_KEY);
        return $headers;
    }
    
    function getAllHeaders()
    { 
        $headers= array_filter($_SERVER,function ($key){ 
            return substr($key, 0, 5) === 'HTTP_';
        },ARRAY_FILTER_USE_KEY);
        return $headers;
    }
    
    function check_url($value) { 
            if (!is_string($value)) { 
                return false;
            }
            if ($url = parse_url($value, PHP_URL_HOST)) { 
                try { 
                    return count(dns_get_record($url, DNS_A | DNS_AAAA)) > 0;
                } catch (Exception $e) { 
                    return false;
                }
            }
            return false;
        }
    
    function check_email($value) { 
            return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
        }
    // =================================新加入=====================================
    function check_json($value) { 
        if (!is_scalar($value) && !method_exists($value, '__toString')) { 
            return false;
        }
    
        json_decode($value);
    
        return json_last_error() === JSON_ERROR_NONE;
    }
    
    function getIP()
    { 
        static $realip;
        if (isset($_SERVER)){ 
            if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){ 
                $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
            } else if (isset($_SERVER["HTTP_CLIENT_IP"])) { 
                $realip = $_SERVER["HTTP_CLIENT_IP"];
            } else { 
                $realip = $_SERVER["REMOTE_ADDR"];
            }
        } else { 
            if (getenv("HTTP_X_FORWARDED_FOR")){ 
                $realip = getenv("HTTP_X_FORWARDED_FOR");
            } else if (getenv("HTTP_CLIENT_IP")) { 
                $realip = getenv("HTTP_CLIENT_IP");
            } else { 
                $realip = getenv("REMOTE_ADDR");
            }
        }
        return $realip;
    }
     
    function getCity($ip = '')
    { 
        if($ip == ''){ 
            $url = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json";
            $ip=json_decode(file_get_contents($url),true);
            $data = $ip;
        }else{ 
            $url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;
            $ip=json_decode(file_get_contents($url));   
            if((string)$ip->code=='1'){ 
               return false;
            }
            $data = (array)$ip->data;
        }
        
        return $data;   
    }
     
    /*===================================================== * 说明:手机号 隐藏 by:Simon *====================================================*/
    function mobile_phone_hidden($phone)
    { 
        $is_what = preg_match('/(0[0-9]{2,3}[\-]?[2-9][0-9]{6,7}[\-]?[0-9]?)/i',$phone); //固定电话
        if($is_what == 1)
            return preg_replace('/(0[0-9]{2,3}[\-]?[2-9])[0-9]{3,4}([0-9]{3}[\-]?[0-9]?)/i','$1****$2',$phone);
        else
            return  preg_replace('/(1[358]{1}[0-9])[0-9]{4}([0-9]{4})/i','$1****$2',$phone);
    }
     
    /*===================================================== * 说明:身份证号 隐藏 by:Simon *====================================================*/
    function id_card_hidden($idcard)
    { 
        $length = strlen($idcard);
        $calcLength = $length - 4 - 4;
        return substr_replace($idcard, str_repeat('*',$calcLength), 4, $calcLength);
    }
     
    /*===================================================== * 说明:银行卡 隐藏 by:Simon *====================================================*/
    function id_bank_card_hidden($card)
    { 
        $length = strlen($card);
        $calcLength = $length - 4 - 4;
        return substr_replace($card, str_repeat('*',$calcLength), 4, $calcLength);
    }
     
    /*===================================================== * 函数:http_post_query * 说明:http请求 by:Simon ====================================================*/
    function http_post_query($url, $data) { 
     
        $postdata = http_build_query($data);
     
        $opts = array('http' =>
            array(
                'method'  => 'POST',
                'header'  => 'Content-type: application/x-www-form-urlencoded',
                'content' => $postdata
            )
        );
        $context = stream_context_create($opts);
        $result  = file_get_contents($url, false, $context);
     
        return $result;
    }
     
    // =================================原始加入=====================================
     
    /** * 判断手机号码是否合法 * @param $mobile 手机号码 * @return bool */
    function check_mobile($mobile)
    { 
        $pattern = '/^(0|86|17951)?(888|13[0-9]|15[012356789]|17[0-9]|111|18[0-9]|14[57])[0-9]{8}$/';
     
        if (preg_match($pattern, $mobile)) { 
            return TRUE;
        } else { 
            return FALSE;
        }
    }
     
    /** * 判断中文姓名是否合法 * @param $realname * @return bool */
    function checkRealname($realname) { 
        $patten = '/^[\x{4e00}-\x{9fa5}]+$/u';
        if (preg_match($patten, $realname)) { 
            return TRUE;
        } else { 
            return FALSE;
        }
    }
     
    function prs() { 
    	$args = func_get_args();
    	foreach ($args as $value) { 
    		echo '<pre>';
    		print_r($value);
    		echo '</pre>';
    	}
    }
     
    /** * 数组层级缩进转换 * @param array $array * @param int $pid * @param int $level * @return array */
    function array2level($array, $pid = 0, $level = 1, &$result = [])
    { 
        foreach ($array as $v) { 
            if ($v['parent_id'] == $pid) { 
                $v['level'] = $level;
                $result[]     = $v;
                array2level($array, $v['id'], $level + 1, $result);
            }
        }
        return $result;
    }
     
     
    /** * 构建层级（树状）数组 * @param array $array 要进行处理的一维数组，经过该函数处理后，该数组自动转为树状数组 * @param string $pid 父级ID的字段名 * @param string $child_key_name 子元素键名 * @return array|bool */
    function array2tree(&$array, $pid = 'parent_id', $child_key_name = 'children') { 
        $counter = array_children_count($array, $pid);
        if ($counter[0] == 0)
            return false;
        $tree = [];
        while (isset($counter[0]) && $counter[0] > 0) { 
            $temp = array_shift($array);
            if (isset($counter[$temp['id']]) && $counter[$temp['id']] > 0) { 
                array_push($array, $temp);
            } else { 
                if ($temp[$pid] == 0) { 
                    $tree[] = $temp;
                } else { 
                    $array = array_child_append($array, $temp[$pid], $temp, $child_key_name);
                }
            }
            $counter = array_children_count($array, $pid);
        }
     
        return $tree;
    }
     
    /** * 子元素计数器 * @param $array * @param $pid * @return array */
    function array_children_count($array, $pid)
    { 
        $counter = [];
        foreach ($array as $item) { 
            $count = isset($counter[$item[$pid]]) ? $counter[$item[$pid]] : 0;
            $count++;
            $counter[$item[$pid]] = $count;
        }
     
        return $counter;
    }
     
    /** * 把元素插入到对应的父元素$child_key_name字段 * @param $parent * @param $pid * @param $child * @param string $child_key_name 子元素键名 * @return mixed */
    function array_child_append($parent, $pid, $child, $child_key_name)
    { 
        foreach ($parent as &$item) { 
            if ($item['id'] == $pid) { 
                if (!isset($item[$child_key_name]))
                    $item[$child_key_name] = [];
                $item[$child_key_name][] = $child;
            }
        }
     
        return $parent;
    }
     
    /** * 获取客户端浏览器信息 * @param $agent * @return string */
    function getBrowser($agent)
    { 
        $browser     = '';
        $browser_ver = '';
     
        if (preg_match('/OmniWeb\/(v*)([^\s|;]+)/i', $agent, $regs)) { 
            $browser     = 'OmniWeb';
            $browser_ver = $regs[2];
        }
     
        if (preg_match('/Netscape([\d]*)\/([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'Netscape';
            $browser_ver = $regs[2];
        }
     
        if (preg_match('/safari\/([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'Safari';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/MSIE\s([^\s|;]+)/i', $agent, $regs)) { 
            $browser     = 'Internet Explorer';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/rv:([^\s|)]+)/i', $agent, $regs)) { 
            $browser     = 'Internet Explorer';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/Opera[\s|\/]([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'Opera';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/NetCaptor\s([^\s|;]+)/i', $agent, $regs)) { 
            $browser     = '(Internet Explorer ' . $browser_ver . ') NetCaptor';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/Maxthon/i', $agent, $regs)) { 
            $browser     = '(Internet Explorer ' . $browser_ver . ') Maxthon';
            $browser_ver = '';
        }
        if (preg_match('/360SE/i', $agent, $regs)) { 
            $browser     = '(Internet Explorer ' . $browser_ver . ') 360SE';
            $browser_ver = '';
        }
        if (preg_match('/SE 2.x/i', $agent, $regs)) { 
            $browser     = '(Internet Explorer ' . $browser_ver . ') 搜狗';
            $browser_ver = '';
        }
     
        if (preg_match('/FireFox\/([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'FireFox';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/Lynx\/([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'Lynx';
            $browser_ver = $regs[1];
        }
     
        if (preg_match('/Chrome\/([^\s]+)/i', $agent, $regs)) { 
            $browser     = 'Chrome';
            $browser_ver = $regs[1];
     
        }
     
        if ($browser != '') { 
            return $browser . ' ' . $browser_ver;
        } else { 
            return '未知浏览器';
        }
    }
     
    /** * 获取客户端操作系统信息 * @param $agent * @return bool|string */
    function getOs($agent) { 
        $os = false;
     
        if(preg_match('/win/i', $agent) && preg_match('/nt 6.0/i', $agent)) { 
            $os = 'Windows Vista';
        } else if (preg_match('/win/i', $agent) && preg_match('/nt 6.1/i', $agent)) { 
            $os = 'Windows 7';
        } else if (preg_match('/win/i', $agent) && preg_match('/nt 6.2/i', $agent)) { 
            $os = 'Windows 8';
        } else if (preg_match('/win/i', $agent) && preg_match('/nt 10.0/i', $agent)) { 
            $os = 'Windows 10';#添加win10判断
        } else if (preg_match('/win/i', $agent) && preg_match('/nt 5.1/i', $agent)) { 
            $os = 'Windows XP';
        } else if (preg_match('/win/i', $agent) && preg_match('/nt 5/i', $agent)) { 
            $os = 'Windows 2000';
        } else if (preg_match('/win/i', $agent) && preg_match('/nt/i', $agent)) { 
            $os = 'Windows NT';
        } else if (preg_match('/win/i', $agent) && preg_match('/32/i', $agent)) { 
            $os = 'Windows 32';
        } else if (preg_match('/linux/i', $agent)) { 
            $os = 'Linux';
        } else if (preg_match('/unix/i', $agent)) { 
            $os = 'Unix';
        } else if (preg_match('/sun/i', $agent) && preg_match('/os/i', $agent)) { 
            $os = 'SunOS';
        } else if (preg_match('/ibm/i', $agent) && preg_match('/os/i', $agent)) { 
            $os = 'IBM OS/2';
        } else if (preg_match('/Mac/i', $agent) && preg_match('/PC/i', $agent)) { 
            $os = 'Macintosh';
        } else if (preg_match('/PowerPC/i', $agent)) { 
            $os = 'PowerPC';
        } else if (preg_match('/AIX/i', $agent)) { 
            $os = 'AIX';
        } else if (preg_match('/HPUX/i', $agent)) { 
            $os = 'HPUX';
        } else if (preg_match('/NetBSD/i', $agent)) { 
            $os = 'NetBSD';
        } else if (preg_match('/BSD/i', $agent)) { 
            $os = 'BSD';
        } else if (preg_match('/OSF1/i', $agent)) { 
            $os = 'OSF1';
        } else if (preg_match('/IRIX/i', $agent)) { 
            $os = 'IRIX';
        } else if (preg_match('/FreeBSD/i', $agent)) { 
            $os = 'FreeBSD';
        } else if (preg_match('/teleport/i', $agent)) { 
            $os = 'teleport';
        } else if (preg_match('/flashget/i', $agent)) { 
            $os = 'flashget';
        } else if (preg_match('/webzip/i', $agent)) { 
            $os = 'webzip';
        } else if (preg_match('/offline/i', $agent)) { 
            $os = 'offline';
        } else { 
            $os = '未知操作系统';
        }
        return $os;
    }
     
    /** * 根据二维数组的某个字段进行排序 * @param $multi_array * @param $sort_key * @param int $sort * @return bool */
    function array_multi_sort($multi_array, $sort_key, $sort = SORT_DESC)
    { 
        if (is_array($multi_array)) { 
            foreach ($multi_array as $row_array) { 
                if (is_array($row_array)) { 
                    $key_array[] = $row_array[$sort_key];
                } else { 
                    return false;
                }
            }
        } else { 
            return false;
        }
        array_multisort($key_array, $sort, $multi_array);
        return $multi_array;
    }
     
    /** * httpPost请求 * @param url 请求地址 * @param data 请求参数（json） */
    function post_json_response($url, $data) { 
        $ch = curl_init();
     
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json; charset=utf-8',
            'Content-Length: ' . strlen($data)
        ]);
     
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
     
        curl_close($ch);
     
        return $response;
    }
     
    function millisecond() { 
        list($t1, $t2) = explode(' ', microtime());
        return (float)sprintf('%.0f', (floatval($t1) + floatval($t2)));
    }
     
    function jsonApi($data = '', $status = 200, $message = 'successful') { 
        header('Content-Type:application/json; charset=utf-8');
        return json_encode(array(
            'code' => $status,
            'message' => is_array($message) ? implode("\n", $message) : $message,
            'data' => $data
        ));
    }
    
    
    
    function flattenArray($array) { 
    	if (!is_array($array)) { 
    		return (array) $array;
    	}
    
    	$arrayValues = array();
    	foreach ($array as $value) { 
    		if (is_array($value)) { 
    			foreach ($value as $val) { 
    				if (is_array($val)) { 
    					foreach ($val as $v) { 
    						$arrayValues[] = $v;
    					}
    				} else { 
    					$arrayValues[] = $val;
    				}
    			}
    		} else { 
    			$arrayValues[] = $value;
    		}
    	}
    
    	return $arrayValues;
    }	
    
    
    /** * Convert a multi-dimensional array to a simple 1-dimensional array, but retain an element of indexing * * @param array $array Array to be flattened * @return array Flattened array */
    function flattenArrayIndexed($array) { 
    	if (!is_array($array)) { 
    		return (array) $array;
    	}
    
    	$arrayValues = array();
    	foreach ($array as $k1 => $value) { 
    		if (is_array($value)) { 
    			foreach ($value as $k2 => $val) { 
    				if (is_array($val)) { 
    					foreach ($val as $k3 => $v) { 
    						$arrayValues[$k1.'.'.$k2.'.'.$k3] = $v;
    					}
    				} else { 
    					$arrayValues[$k1.'.'.$k2] = $val;
    				}
    			}
    		} else { 
    			$arrayValues[$k1] = $value;
    		}
    	}
    
    	return $arrayValues;
    }
    
    // 读取大文件
    public function getbigfile($file_path, $length = 8000)
    { 
        $handle = fopen($file_path, 'rb+');
        if ($handle) { 
            while (!feof($handle)) { 
                $buffer = fgets($handle, $length);
                echo $buffer;
            }
            fclose($handle);
        }
    }
    
    /** * 批量去除键值对 * @param array $value [description] * @param array $keys [description] * @return [type] [description] */
    function multi_unset(array $value, array $keys)
    { 
        foreach ($keys as $key) { 
            // unset比较特殊，如果有设置就直接删除，如果没有这个key也不会报错，加上判断反而会报错 marked by Bruce <2020-08-06 15:25:09>
            unset($value[$key]);
        }
        return $value;
    }
    
    /** * 获取数组维度 * @author Bruce 2021/2/2 * @param array $array * @return int */
    function array_dimensions(array $array)
    { 
        $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($array));
        $d = 0;
        foreach ($it as $v)
            $it->getDepth() >= $d and $d = $it->getDepth();
        return ++$d;
    }
    
    // console里面彩色显示要输出的内容
    function ddd($obj = null, $desc = ''): void
    { 
        $t = gettype($obj);
        $dt = Carbon::now();
        $microsecond = substr($dt->microsecond, 0, 3);
        $time = $dt->toDateTimeString() . '.' . $microsecond;
    
        if ($obj != null && !is_string($obj)) { 
            $obj = json_encode($obj);
        }
        // https://www.if-not-true-then-false.com/2010/php-class-for-coloring-php-command-line-cli-scripts-output-php-output-colorizing-using-bash-shell-colors/
    
        if ($desc) { 
            echo "\033[1;33m$time\033[0m \033[1;34m$desc\033[0m: \033[1;31m$t\033[0m => $obj" . PHP_EOL;
        } else { 
            echo "\033[1;33m$time\033[0m \033[1;31m$t\033[0m => $obj" . PHP_EOL;
        }
    }
    
    /**使用ddd if (is_dev()) { DbManager::getInstance()->onQuery(function (Result $res, QueryBuilder $builder) { ddd($builder->getLastQuery(), "getLastQuery"); ddd($res->toArray(), "getResult"); }); } */