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PHP function naming convention

王林
王林Original
2020-08-11 15:03:183895browse

php function naming convention: 1. The name of the function should indicate its function; 2. The function name starts with a letter or underscore; 3. The function name cannot start with a number. Functions are executed by calling functions, and we can call functions anywhere on the page.

PHP function naming convention

Function naming convention:

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  • The name of the function should hint at its function

  • The function name starts with a letter or underscore (not a number)

Functions are executed by calling functions. We can call functions anywhere on the page.

In order to add more functions to the function, we can add parameters, which are similar to variables. Parameters are specified within a bracket after the function name.

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Example:

<?php
function writeName($fname) {
echo $fname . " Refsnes.<br>";
}
echo "My name is ";
writeName("Kai Jim");
echo "My sister&#39;s name is ";
writeName("Hege");
echo "My brother&#39;s name is ";
writeName("Stale");
?>

Output result:

My name is Kai Jim Refsnes.
My sister&#39;s name is Hege Refsnes.
My brother&#39;s name is Stale Refsnes.

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