The For loop is the most complex loop structure in PHP. Its behavior is similar to the C language. The syntax for the For loop is:
for (EXPR1; expr2; expr3) statement
The first expression (EXPR1) is evaluated unconditionally before the start of the
The For loop is the most complex loop structure in PHP. Its behavior is similar to the C language. The syntax for the For loop is:
for (EXPR1; expr2; expr3) statement
The first expression (EXPR1) is evaluated unconditionally before the start of
ForeachPhp Tutorial 4 (not php 3) includes the foreach structure, which is similar to perl and other languages. This is just a simple way to traverse arrays. Foreach can only be used for arrays. An error occurs when you try to use it for another
The For loop is the most complex loop structure in PHP. Its behavior is similar to the C language. The syntax for the For loop is:
for (EXPR1; expr2; expr3) statement
The first expression (EXPR1) is evaluated unconditionally once before the loop
foreach is a very common control statement used in PHP as an array loop.Because of its convenience and ease of use, nature is also hidden in the back end of a very complex concrete implementation (transparent to the user)Today, we'll come together
Comparison of foreach and while loops in php. Foreach and while are both loops in php, so what is their difference between foreach and while loops, and that performance will be better, next, I will introduce the differences between foreach and while
This section describes a special looping statement in PHP, the "foreach" loop statement.
What is a foreach loop for?
In PHP, the Foreach Loop statement, which is designed to iterate through an array, can be viewed in this article
The foreach basic syntax is as follows:
FOREACH ($array _variable as $value)
{
[Code to execute]
}
Or
FOREACH ($array _variable as $key => $value)
{
[Code to execute]
}
In both cases, multiple [code executions] will be executed equal to the number
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