blocks|key|4812823|text|if+(preg_match('/%5E\d{10}$/',+$string))+{
++//+pass
}+else+{
++//+fail
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4812824|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>if (preg_match('/^\d{10}$/', $string)) {
 // pass
} else {
 // fail
}
</code></pre>

blocks|key|3401637|text|$num_length+=+strlen((string)$num);
if($num_length+==+10)+{
++++//+Pass
}+else+{
++++//+Fail
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3401638|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>$num_length = strlen((string)$num);
if($num_length == 10) {
 // Pass
} else {
 // Fail
}
</code></pre>

blocks|key|3401640|text|$input+=+"03432+123-456";+//+A+mobile+number+(this+would+fail)

$number+=+preg_replace("/%5E\d/",+"",+$number);
$length+=+strlen((string)+$number);

if+($number+==+$input+&&+$length+==+10)+{
++++//+Pass
}+else+{
++++//+Fail
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3401641|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>$input = "03432 123-456"; // A mobile number (this would fail)

$number = preg_replace("/^\d/", "", $number);
$length = strlen((string) $number);

if ($number == $input &amp;&amp; $length == 10) {
 // Pass
} else {
 // Fail
}
</code></pre>

blocks|key|3401684|text|如果您使用的是web表单，请确保将文本输入也限制为只能包含10个字符，以添加一些辅助功能(用户不想输入错误、提交、获得有关其错误的对话框、修复错误、再次提交等)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3401685|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you are using a web form, make sure you limit the text input to only hold 10 characters as well to add some accessibility (users don't want to input it wrong, submit, get a dialog about their mistake, fix it, submit again, etc.)

blocks|key|3401704|text|在我看来，最好的方法是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3401705|$length+=+ceil(log10($number))|code-block|syntax|javascript|3401706|向上舍入的十进制对数等于数字的长度。|3401707|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

In my opinion, the best way is:

<pre><code>$length = ceil(log10($number))
</code></pre>

A decimal logarithm rounded up is equal to length of a number.

blocks|key|3401746|text|在循环中使用intval函数，请参见此示例|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3401747|<?php
++$value+=+16432;
++$length=0;
++while($value!=0)+{
+++$value+=+intval($value/10);
+++$length%2B%2B
++}
++echo+"Length+of+Integer:-+".$length;
+?>|code-block|syntax|javascript|3401748|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Use intval function in loop,
See this example

<pre><code>&lt;?php
 $value = 16432;
 $length=0;
 while($value!=0) {
 $value = intval($value/10);
 $length++
 }
 echo "Length of Integer:- ".$length;
 ?&gt;
</code></pre>

blocks|key|3401763|text|这将适用于几乎所有的情况(除了零)，并且很容易用其他语言编码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3401764|$length+=+ceil(log10(abs($number)+%2B+1)|code-block|syntax|javascript|3401765|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This will work for almost all cases (except zero) and easily coded in other languages:

<pre><code>$length = ceil(log10(abs($number) + 1)
</code></pre>

blocks|key|1220012|text|如果您正在评估手机号码(电话号码)，那么我建议您不要使用int作为您选择的数据类型。请使用字符串，因为我无法理解您如何或为什么要使用这些数字进行数学运算。作为一种最佳实践，当你想/需要做数学运算时，可以使用int、float等。不使用字符串时使用字符串。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1220013|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you are evaluating mobile numbers (phone numbers) then I would recommend not using an int as your chosen data type. Use a string instead because I cannot forsee how or why you would want to do math with these numbers. As a best practice, use int, floats, etc, when you want/need to do math. Use strings when you don't.

blocks|key|3401834|text|在你的问题中，“你想得到一个整数的长度，输入不接受字母数字数据，整数的长度不能超过10。如果这是你的意思，在我看来，这是实现这一目标的最好方法：”|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3401835|<?php

$int+=+1234567890;+//The+integer+variable

++++//Check+if+the+variable+$int+is+an+integer:
if+(!filter_var($int,+FILTER_VALIDATE_INT))+{+
++++echo+"Only+integer+values+are+required!";
++++exit();
}+else+{
++++//+Convert+the+integer+to+array
++++$int_array++=+array_map('intval',+str_split($int));
++++//get+the+lenght+of+the+array
++++$int_lenght+=+count($int_array);
}
++++//Check+to+make+sure+the+lenght+of+the+int+does+not+exceed+or+less+than10
++++if+($int_lenght+!=+10)+{
++++echo+"Only+10+digit+numbers+are+allow!";
++++exit();
}+else+{
+++++echo+$int.+"+is+an+integer+and+its+lenght+is+exactly+"+.+$int_lenght;
++++//Then+proceed+with+your+code
}

++++//This+will+result+to:+1234556789+is+an+integer+and+its+lenght+is+exactly+10

?>|code-block|syntax|javascript|3401836|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

From your question, "You want to get the lenght of an integer, the input will not accept alpha numeric data and the lenght of the integer cannot exceed 10. If this is what you mean; In my own opinion, this is the best way to achieve that:"

<pre><code>&lt;?php

$int = 1234567890; //The integer variable

 //Check if the variable $int is an integer:
if (!filter_var($int, FILTER_VALIDATE_INT)) { 
 echo "Only integer values are required!";
 exit();
} else {
 // Convert the integer to array
 $int_array = array_map('intval', str_split($int));
 //get the lenght of the array
 $int_lenght = count($int_array);
}
 //Check to make sure the lenght of the int does not exceed or less than10
 if ($int_lenght != 10) {
 echo "Only 10 digit numbers are allow!";
 exit();
} else {
 echo $int. " is an integer and its lenght is exactly " . $int_lenght;
 //Then proceed with your code
}

 //This will result to: 1234556789 is an integer and its lenght is exactly 10

?&gt;
</code></pre>

I want to get the length of integer values for validation in PHP.
Example:
Mobile numbers should be only 10 integer values. It should not be more than 10 or less than 10 and also it should not be included of alphabetic characters.

How can I validate this?

how to get length of integers in PHP ?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我想要获取整数值的长度，以便在PHP中进行验证。示例:手机号只能为10个整数值。它不能大于或小于10，并且不能包含字母字符。我如何验证它？

问如何在PHP中获取整数的长度？
EN

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问如何在PHP中获取整数的长度？EN