NOTICE Array to string conversion on line number ... [multidimensional array]

Question

I have this simple array defined:

1: <?php
2: $_ext = array(
3:  array('doc', 'docx'),
4:  array('xls', 'xlsx'),
5:  array('ppt', 'pptx'),
6:  array('php'),
    array('html'),
    array('pdf'),
    array('js').
    array('java'),
    array('zip', 'rar')
  );

When I run it i get the following error

NOTICE Array to string conversion on line number 3

I even tested this on the webpage http://phptester.net/ and I got the same error. I don't know which php version my host is using but probably the newest.

I read this w3schools article (https://www.w3schools.com/php/php_arrays_multi.asp) about multidimensional arrays and I don't really know what I am doing wrong.

Thank you in advance for your help. :)

The code you give, when including delx's answer works fine for me. — Mm-Art-In
– Mm-Art-In, Commented Jul 26, 2017 at 18:49

delx · Accepted Answer · 2017-07-26 18:47:18Z

4

Check the line array('js').. There's a typo: Try replacing the point with a comma.

answered Jul 26, 2017 at 18:47

delx

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2 Comments

user5730329 Over a year ago

Yes, this solved the error. Will mark this question as the right one as soon as it allows me to. I still don't understand why it gives the error on line 3 when the error somewhere else. @Martin

clearshot66 Over a year ago

Because that's the line it started adding the array elements on.

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