What does for mean in php

For in php refers to the PHP for loop statement, which can loop and execute the code block a specified number of times. Its usage syntax is such as "for (init counter; test counter; increment counter) {...}" .

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

What does for mean in php?

PHP for loop executes the code block a specified number of times.

If you have determined in advance the number of times the script will run, you can use a for loop.

Syntax

for (init counter; test counter; increment counter) {
  code to be executed;
}

Parameters:

init counter: Initializes the value of the loop counter

test counter:: Evaluates each loop iteration. If the value is TRUE, continue looping. If its value is FALSE, the loop ends.

increment counter: increase the value of the loop counter

The following example shows the numbers from 0 to 10:

Example

<?php 
for ($x=0; $x<=10; $x++) {
  echo "数字是：$x <br>";
} 
?>

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