PHP - Creating custom variable for template [closed] - php

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I don't know exactly how to say this, I'll use an example.
//[$var:Username|n] will print username with n length
$myText = 'The participants are [$var:Username|10], [$var:Username|8], and [$var:Username|6]';
$username = array('Alexandrite', 'Maximillian', 'Angelina');
$result = someFunction('[$var:Username|n]', $username, $myText);
echo $result;
//The participants are Alexandrit, Maximill, and Angeli
Any idea how to do this? Maybe using preg_replace?


I'm interested to know why you would even need to do this. Regardless:
preg_replace_callback('/\[\$var:Username\|(\d+)\]/', function ($match)
use (&$count, $username
) {
return substr($username[$count++], 0, $match[1]);
}, $myText);

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Replace string with some condition in PHP [closed]

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I have this string
RRULE:FREQ=WEEKLY;COUNT=13;BYDAY=MO,SU
Now the part BYDAY=MO,SU can be in any position like
RRULE:FREQ=WEEKLY;BYDAY=WE,TH;INTERVAL=2;COUNT=5; -> BYDAY=WE
I just want to replace the value of BYDAY=value
let's say I have updated value of BYDAY=FR
I've tried to use str_replace() but the given value of of BYDAY can be anything like MO,TU,WE,TH

Using preg_replace, we can try:
$input = "RRULE:FREQ=WEEKLY;COUNT=13;BYDAY=MO,SU";
$output = preg_replace("/\bBYDAY=[^;]+/", "BYDAY=FR", $input);
echo $input . "\n" . $output;
This prints:
RRULE:FREQ=WEEKLY;COUNT=13;BYDAY=MO,SU
RRULE:FREQ=WEEKLY;COUNT=13;BYDAY=FR

delete Persian's Chars of string in php [closed]

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In PHP, i have strings , similar:
"www.mysite.com/fa/doc/report/67571/مطذح کردنو تت";
"www.mysite.com/fa/571/نهتال اهخع";
"www.mysite.com/fa/";
I want if there are Persian's Chars of string, delete them.
Output:
www.mysite.com/fa/doc/report/67571/
www.mysite.com/fa/571/
www.mysite.com/fa/
How can i do this?

You should try this code.
<?php
echo remove_persian("www.mysite.com/fa/doc/report/67571/مطذح کردنو تت");
function remove_persian($text)
{
return preg_replace('#[^a-zA-Z0-9./]#', '', $text);
}
This will output like this:
www.mysite.com/fa/doc/report/67571/

You can use a regex :
$clean = preg_replace('[^a-zA-Z\/\d\s:]', '', $url);

How to format a string returned by a PHP function [closed]

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I wrote a program that uses an ISBN to query Amazon for that ISBN's price, and returns the following result:
5cb66919-8a8d-4c13-9175-790f0476508d0.0401580000000000TrueISBN9780340979266OffersAllAll0340979267809USD$8.09688USD$6.88598USD$5.98241010000
I need to format this so that I have the price information in a format that would be understandable to a human.
How can I do this?

Use this way..
<?php
$s = '5cb66919-8a8d-4c13-9175-790f0476508d0.0401580000000000TrueISBN9780340979266OffersAllAll0340979267809USD$8.09688USD$6.88598USD$5.982410100000';
$p = explode('USD',$s);
echo "<pre>";
print_r($p);
echo "</pre>";
?>

function returnPrice($response){
$prices = explode('USD',$response);
unset($prices[0]);
return $prices;
}

Create serial number with 8 length digits [closed]

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i want to create a format like this: 0000-0000. I already i have the unique number, but i need to merge it with my format type.
$my_id_unique = '60';
//some function....
//IT SHOULD OUTPUT LIKE THIS
$create_serial = '0000-0060';

$x = sprintf("%08d",$my_id_unique);
$create_serial = substr($x,0,4).'-'.substr($x,4);

With oneliner:
$create_serial = implode('-', str_split(sprintf('%08d', $my_id_unique), 4));

Or you could use str_pad:
echo str_pad('60', 9, '0000-0000', STR_PAD_LEFT);

Super easy php link construct [closed]

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$out_terms[$term->name] = '' . $text . '';
Please help me check where the code gone wrong,any missing notes etc,as I am really 0 into php

$out_terms[$term->name] = sprintf('%s', $term_link, $text);

Try this (best construct) :
$out_terms[$term->name] = "$text";
or :
$out_terms[$term->name] = ''.$text.'';

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