syntax error checking in php on a project level rather than file

Question

I have a large php project and different developers work on the same project. Changes in php file e.g syntax error can lead to 500 internal server error if another developer tries to run the same project - leaving the other developer clueless as to where the error is from. I need to download some batch file that checks the whole project and displays the line numbers and errors that occured for each file in the project and not just in one file e.g. when using php -l filename - instead I want it to be php -l project

php -l project will never catch any errors that are caused by runtime conditions, so it will probably not be very useful. — Pekka
– Pekka, Commented Dec 28, 2011 at 11:22

Maerlyn · Accepted Answer · 2011-12-28 11:04:03Z

11

If you are using linux, this command will check your current folder recursively for all php files, syntax check them and filter out the ones that are OK:

find . -name \*.php -exec php -l {} \; | grep -v "No syntax errors"

You'll get a nice list of files and errors.

answered Dec 28, 2011 at 11:04

Maerlyn

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Duncanmoo Over a year ago

Thanks, this is so simple and allowed me to find a syntax error (of mine) that occurred on 7.2 and not 7.4. Note of course it checks using the system's PHP version.

4 revs · Accepted Answer · 2017-05-23 12:17:28Z

4

Edit: Turns out the OP is looking for a way to activate error reporting. I'll leave this in place anyway because I'm sure it's good universal advice for many in similar situations.

I don't know your situation, but to me, it sounds like what you might really need is a proper deployment process using at least a version control system. Multiple developers working on the same files simultaneously without any version control is a recipe for disaster, that much I can guarantee you.

Some starting points:

Setting up a deployment / build / CI cycle for PHP projects
An introduction into VCS mercurial that is very nicely done and helps understand how version control works
Here is a programmers.SE question that might suit your situation: https://softwareengineering.stackexchange.com/questions/74708/source-control-on-a-live-shared-hosting-site

edited May 23, 2017 at 12:17

community wiki

4 revs
Pekka 웃

3 Comments

michelle Over a year ago

we already have that in place. what we need to do ultimately is be able to check for syntax errors for the whole project

Pekka Over a year ago

@michelle are you looking to activate error reporting then? You can have PHP errors displayed on screen instead of showing a 500 error. Is that what you're looking for?

Pekka Over a year ago

@Michelle ah, okay. Look into the error_reporting and display_errors PHP.ini options, activating both should give you the errors directly.

Ron · Accepted Answer · 2016-09-22 06:59:02Z

3

$it = new RecursiveIteratorIterator( new RecursiveDirectoryIterator('.'));
$regx = new RegexIterator($it, '/^.*\.php$/i', // only matched text will be returned
    RecursiveRegexIterator::GET_MATCH);
foreach ($regx as $file) {
    $file = $file[0];
    exec('php -l ' . $file); //check the syntax here
}

edited Sep 22, 2016 at 6:59

Ron

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answered Dec 28, 2011 at 11:06

maxjackie

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