Usage: 1. Create a new PHP sample file; 2. Add HTML architecture code to the file; 3. Add PHP code to the body tag and use the sprintf function; 4. Observe the effect through the browser.
Usage of sprintf function in php
Specific usage method:
1. Create a new php sample file.
2. Add html schema code in the file.
<!DOCTYPE html>
<html>
<head>
<title>php</title>
</head>
<body>
</body>
</html>3. Add php code in the body tag and use sprintf function.
<?php
$number = 2;
$str = "Shanghai";
$txt = sprintf("There are %u million cars in %s.",$number,$str);
echo $txt;
?>Replace the percent sign % symbol with a variable passed as a parameter.
4. Just observe the effect through the browser.
sprintf definition:
The sprintf() function can write a formatted string into a variable.
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