Sequencee can perform auto-increment and auto-increment operations on one or more fields of a single instance, or perform batch auto-increment and auto-increment operations on data that meet the conditions. The auto-increment and auto-increment of a
& Lt; spanstyle = & quot; color: rgb (54,46, 43); font-family: Simsun; font-size: 16px; line-height: 24px; text-indent: 2em; & quot; & gt; when we were studying the first language, for example, the C language programming in a university course,
The mysteries of the auto-increment and auto-increment operations in PHP. First, let's take a look at the questions about the auto increment and auto increment operations in PHP: $ a1; $ B $ a; if ($ B $ a ++) echotrue; elseechofalse; first, creates
The mysteries of auto-increment and auto-increment operations in PHP
First, let's take a look at the interview question:
$ A = 1; $ B = & $ a; if ($ B = $ a ++) echo "true"; else echo "false ";
First, create a variable $ a and set the value to 1
PHP auto-incrementing write the output result of the php segment:
The answer is: 501.
It involves two knowledge points:
1. php variable scope;
2. Auto-increment/auto-increment variables;
The interviewer understands the scope of "php
Write the output result of the php segment:
The answer is: 501.
It involves two knowledge points:
1. php variable scope;
2. Auto-increment/auto-increment variables;
The interviewer understands the scope of "php variables" well, but he is not sure
I saw an interview question today, which involves a very elementary question, as shown below:
Write the output result of the php segment:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
$ Count = 5
First, let's take a look at the questions about the auto-increment and auto-increment operations in PHP:
$ A = 1; $ B = & $ a; if ($ B = $ a ++) echo "true"; else echo "false ";
First, create a variable $ a and set the value to 1;
Then, a
[PHP] MySQL obtains the primary key (auto-increment ID) of the inserted data. to prevent primary key conflicts, the auto-increment (auto_increment type) field is often used during database design. Therefore, the primary key of the modified record is
The mysteries of auto-increment and auto-increment operations in PHP
First, let's take a look at the interview question:
$ A = 1; $ B = & $ a; if ($ B = $ a ++) echo "true"; else echo "false ";
First, create a variable $ a and set the value to 1
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