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PHP File Inclusion by maekhel(m): 1:52pm On Feb 08, 2015 |
There are times you might want to reference a particular file in another file. These is mostly common in OOP. PHP provides function which can be used to reference another file from a calling file. These function are include() and require() and we will be looking at them shortly. These functions help in creating functions, headers, footers, or elements that can be reused on multiple pages. This will help developers to make it easy to change the layout of complete website with minimal effort. If there is any change required then instead of changing thousand of files just change included file. The Include Function The include() takes all the text in a specified file and copies it into the file that uses the include function. If there is any problem in loading a file then the include() function generates a warning but the script will continue execution. The include() has another variant called include_once(). What include_once does is to make sure the file is only included once so as to avoid referencing same file multiple times. The Require Function The require() function takes all the text in a specified file and copies it into the file that uses the include function. Unlike the include(), the require() will terminate the execution of the script if there is any problem in loading the file. The require() also has another variant called the require_once(). This does exactly as the include_once does: make sure the file is only referenced once. Conclusion Now you have seen how to make use of the includes functions provided by PHP and seen their difference. I recommend using the require_once() when you are including a file because the script should not continue execution while your included failed. I hope you find this tutorial helpful. You can leave your comments, questions and suggestions in the comment box below. source: http://tutorialslodge.com/php-file-inclusion/ |
Re: PHP File Inclusion by tresz: 7:13pm On Feb 08, 2015 |
Good insight for newbies, but I agree not with you on supporting the use of require_once() What if you wanted to include ad? If course I'll use include() cuz I want it execution to proceed if the file doesn't exists + that I might still call it in the same script. So it depends on what and how you want to solve a problem. |
Re: PHP File Inclusion by maekhel(m): 8:16pm On Feb 08, 2015 |
tresz:u right there |
Re: PHP File Inclusion by CRAZYMADMAN(m): 8:52pm On Feb 10, 2015 |
Hello guys, what's wrong with this function
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Re: PHP File Inclusion by 53cur3m0d3(m): 1:06am On Feb 11, 2015 |
I prefer using the include() |
Re: PHP File Inclusion by CRAZYMADMAN(m): 12:14pm On Feb 13, 2015 |
CRAZYMADMAN: ? |
Re: PHP File Inclusion by 53cur3m0d3(m): 12:15pm On Feb 15, 2015 |
CRAZYMADMAN:Me thinks U're not invoking the function after setting it up. What exactly is that code supposed to do? What error message do U keep getting? I'm trying not to assume. |
Re: PHP File Inclusion by CRAZYMADMAN(m): 9:03pm On Feb 15, 2015 |
53cur3m0d3: the problem is that when you try to use it to include a html file, it takes it to the very top of the page thereby disrupting any template structure already in place! I have gotten the solution, though |
Re: PHP File Inclusion by 53cur3m0d3(m): 12:38am On Feb 16, 2015 |
CRAZYMADMAN:Great... U might wanna share though |
Re: PHP File Inclusion by CRAZYMADMAN(m): 8:02am On Feb 16, 2015 |
53cur3m0d3: function testRequire($file) { ob_start(); require_once ($file .'html'); return ob_get_clean(); } |
Re: PHP File Inclusion by 53cur3m0d3(m): 9:31am On Feb 16, 2015 |
CRAZYMADMAN:The Output Buffering function! Thanks... |
Re: PHP File Inclusion by CRAZYMADMAN(m): 11:02am On Feb 16, 2015 |
53cur3m0d3: don't mention it. But that gave enough headaches sha 1 Like |
Re: PHP File Inclusion by Nobody: 4:09pm On Feb 18, 2015 |
php's version of import |
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