PHP, select a string between two strings, then get one value from the selected string

Question

I have a file, with many parts of code. Each part starts with <form> and ends with </form>. Between each form, there is something like this: <input type='text' name='date' value='2010-01-01'><input type='text' name='username' value='test'>

I want to parse each part of the code with php and get the value of input username, where the value for input date is '2010-01-01'

Any solutions please?

example:

<form>
<input type='text' name='date' value='2010-01-01'>
<input type='text' name='username' value='test'> <!-- How can I get this value ('test')? -->
</form>
<form>
<input type='text' name='date' value='2010-01-02'>
<input type='text' name='username' value='test2'>
</form>
.
.
.

@dqlopez start with <form> and end with <form>. Ataomega forgot the ``` and I can't edit because there is a pending edit which needs to be approved first... — Martin Hennings
– Martin Hennings, Commented May 2, 2012 at 9:02
Kind of multiple forms? Are you trying to submit each form contents on one submit button? If so, which form has that submit button. — deex
– deex, Commented May 2, 2012 at 9:30

deejayy · Accepted Answer · 2012-05-02 09:09:37Z

1

preg_match('/form.*name=\'date\' value=\'2010-01-01\'.*name=\'username\' value=\'(.*)\'/Usim', $f, $r);
printf($r[1]);

answered May 2, 2012 at 9:09

deejayy

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2 Comments

Ata Mohammadi Over a year ago

thanks for all helps. let me try. could someone please explain this? preg_match('/form.*name=\'date\' value=\'2010-01-01\'.*name=\'username\' value=\'(.*)\'/Usim', $f, $r); printf($r[1]);

deejayy Over a year ago

Regular expression are not an easy lesson, PHP regex documentation: php.net/manual/en/pcre.pattern.php

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