What does the number between [ ] mean in a php array after explode?

Question

I am trying to curl a url, then explode page into an array to extract line with a link. I have a sample script, but I don't know what the "135" means. I'm not very good with php. Any help would be appreciated, thank you in advance.

Sample code:

$code = explode(" ",$result);
echo $code[135];

Question: What does the "135" represent in "echo $code[135];"?

The 136th item in the resulting array. (Why not 135th? Because array indices start with the number 0 and not 1 as first index.) — CherryDT
– CherryDT, Commented Mar 8, 2020 at 2:27
If you have a string $s = 'ab cd ef gh'; and you do $a = explode(" ", $s);, then $a will be ["ab", "cd", "ef", "gh"] and therefore $a[0] will be "ab", $a[1] will be "cd" and so on. — CherryDT
– CherryDT, Commented Mar 8, 2020 at 2:29
Use this answer to extract URLs from a string, the string in this case being the curled web page: stackoverflow.com/a/36564776 — iJamesPHP2
– iJamesPHP2, Commented Mar 8, 2020 at 2:31
Does this answer your question? Reference — What does this symbol mean in PHP? — Sherif
– Sherif, Commented Mar 8, 2020 at 2:53

Jeff Huang · Accepted Answer · 2020-03-08 02:30:23Z

1

Square brackets after a variable generally represent the index of an array. In this case, the variable $code is and array. $code[135] is referencing the 135th index of the array. If you want to see the whole array to see what is going on, you can try using the var_dump() method.

answered Mar 8, 2020 at 2:30

Jeff Huang

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