


How to send email in php? This article will introduce to you how to use the PHP mail() function to send emails. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
mail() is a built-in function of PHP that allows sending emails using the native sendmail program. Whenever the mail() function is called, it calls the local sendmail program, which is usually configured by the system administrator. If your web host is on Hostinger, you can enable/disable this feature in the Email - >Mail Service Control section.
By default, the sendmail service is self-starting (self-starting). But if not, you can do it in just a few clicks.
Let’s take a look at the PHP mail() function to implement the steps to send an email :
Step 1 - Create a test file for PHP email
First, we need to create a file for the PHP email script. We place it in the public_html directory so that it can be easily accessed via the domain name. You can use a file manager or FTP client to perform this task. We name the file testmail.php.
Step 2 - Understanding PHP Email
Let’s introduce ourselves to the components of a basic PHP email script
<?PHP ini_set( 'display_errors', 1 ); error_reporting( E_ALL ); $from = "test@hostinger-tutorials.com"; $to = "test@gmail.com"; $subject = "Checking PHP mail"; $message = "PHP mail works just fine"; $headers = "From:" . $from; mail($to,$subject,$message, $headers); echo “电子邮件已发送。” ; ?>
The first two lines enable error reporting. This will help if the script fails to execute. The remaining components are:
For more information about sendmail and its components, see the official PHP documentation (http://php.net/manual/en/ function.mail.php).
Step 3 - Run the PHP Mail Script
If you place the PHP script in the public_html directory, you can access it via YourDomain.com/testmail. php to run it. You should see the following message:
Congratulations! Now understand the basic syntax of PHP email and can use it to send emails.
The above is the detailed content of How to send email in php? PHP mail() function implements sending emails. For more information, please follow other related articles on the PHP Chinese website!

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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