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HomeBackend DevelopmentPHP ProblemHow to set program running time in php

Setting method: 1. In the "php.ini" file, modify the value of the "max_execution_time" item; 2. Use the "ini_set('max_execution_time', value)" statement to set; 3. Use "set_time_limit( Value)" statement setting.

How to set program running time in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Method 1: In php.ini Increase the running time in

max_execution_time=300

Method 2: Use the ini_set() function

ini_set('max_execution_time', 300); //300 seconds = 5 minutes

Method 3: Use the set_time_limit() function

set_time_limit(0);

The number in the brackets is the execution time. If it is zero, it means that it will be executed permanently until the end of the program. If it is a number greater than zero, the program will end after the set number of seconds, regardless of whether the program execution is completed.

A simple example is to display 1500 statements on a web page. If the expiration time is not set, the program execution will end at 791. If the comment character // before set_time_limit(0); is removed, then The program does not end until 1.

 <?php 
//set_time_limit(0); 
$i=1500; 
include ("inc/conn.php"); 
while($i>0) 
{ 
$sql="INSERT INTO php (php) 
VALUES (&#39;$i&#39;)"; 
if ($conn->execute($sql)===flase) 
{ 
//echo "数据插入错误".$conn->errormsg(); 
} 
else 
{ 
$phpid=$conn->Insert_ID(); 
echo $i."已经存入数据库,编号:".$phpid; 
} 
$i--; 
echo "<hr>"; 
} 
?>

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