php methods to implement page jumps are: 1. Implement the jump in the PHP script code; 2. Use the js method to implement the delayed jump; 3. Use the HTML script code to complete the jump.
php methods to implement page jump are:
1. Implement in PHP script code
<?php header("location:url地址") ?> 例如 <?php header("location:helloworld.php")?> 页面会立即跳转,因为header执行了location重定向
Delayed jump (for example, after successful login, there will be a few seconds of waiting time, and then jump to other pages)
<?php header("Refresh:秒数;url=地址") ?> 例如 <?php header("Refresh:3;url=helloworld.php")?> 会在3秒后执行跳转 <?php sleep(3); header("location:url地址")?> 调用了sleep()方法,效果也是x秒后执行跳转
2. In the js script code Implementation
1.window.location.href method
<script type="text/javascript"> window.location.href="helloworld.php" </script>
Use js method to implement delayed jump
<script type="text/javascript"> setTimeout("window.location.href='helloworld.php'",3000); </script>
2.window.location.assign method Delayed jump The method is the same as above
<script type="text/javascript">window.location.assign("helloworld.php"); </script>
3.window.location.replace method (allowing the new page to replace the current page, it will not be saved in the history, so you cannot use the browser to return to the original page)
<script type="text/javascript"> window.location.replace("helloworld.php"); </script>
4. The window.open method has three parameters, the first URL address. The second is the way to open a new page (such as new page _blank, _new, self jump _self), and the third is the way to open a new page, including style, location, etc.
<script type="text/javascript"> window.open("index.php",_blank,width=300px); </script>
3. Use HTML script code to complete the jump
Execute the code in the tag
directly Just insert this code
<meta http-equiv="refresh" content="3;url='helloworld.php'">
Related learning recommendations: php graphic tutorial
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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。

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。

在PHP中,可以利用implode()函数的第一个参数来设置没有分隔符,该函数的第一个参数用于规定数组元素之间放置的内容,默认是空字符串,也可将第一个参数设置为空,语法为“implode(数组)”或者“implode("",数组)”。

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。


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