php sprintf with array

Question

I have an array witch match string placeholders as follow:

"some text %s another text %s extra text %s"

and the array:

$array[0] match the first %s 
$array[1] match the second %s 
$array[2] match the third %s

I thought it could be done using the sprintf function as follow:

$content = sprintf("some text %s another text %s extra text %s", $array);

but this return the too few arguments error, i tried to use implode:

$content = sprintf("some text %s another text %s extra text %s", implode(",",$array));

thanks in advance

seealso:: stackoverflow.com/questions/5701985/…

dreftymac
– dreftymac

2018-02-09 23:20:29 +00:00
Commented Feb 9, 2018 at 23:20 — dreftymac
– dreftymac, Commented Feb 9, 2018 at 23:20

FThompson · Accepted Answer · 2012-11-10 20:17:51Z

87

Use vsprintf instead of sprintf. It takes an array parameter from which it formats the string.

$content = vsprintf("some text %s another text %s extra text %s", $array);

answered Nov 10, 2012 at 20:17

FThompson

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2 Comments

tarek Over a year ago

yep that's right, thank you, 7 more minutes to accept the answer :)

Cheney Over a year ago

in PHP 5.6.33, $content is the length of formatted string; we can try

$string = 'Hello %name!'; $data = array(   '%name' => 'John' );  $greeting = str_replace(array_keys($data), array_values($data), $string);

from first comment of above link of vsprintf

user634545 · Accepted Answer · 2016-09-16 09:30:26Z

21

An alternative to vsprintf in PHP 5.6+

sprintf("some text %s another text %s extra text %s", ...$array);

answered Sep 16, 2016 at 9:30

user634545

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2 Comments

vee Over a year ago

This answer works very well. I do not understand that php sprintf document said second parameter is mixed type but throwing error if it is an array. php.net/manual/en/function.sprintf.php No where says what this mixed is.

Capsule Over a year ago

I'd recommend using ...array_values($array) instead of ...$array in case your array has named keys (which would result in sprintf() does not accept unknown named parameters without the array_values wrapper)

simeg · Accepted Answer · 2017-07-04 13:42:37Z

3

Here you have to use vsprintf() instead of sprintf().

sprintf() accepts only plain variables as argument. But you are trying to pass an array as argument.

For that purpose you need vsprintf() which accepts array as argument.

For example in your case:

"some text %s another text %s extra text %s"

and the array:

$array[0] match the first %s 
$array[1] match the second %s 
$array[2] match the third %s

To achieve what you want you have to do the following:

$output = vsprintf("some text %s another text %s extra text %s",$array);
echo $output;

Output:

some text match the first another text match the second extra text match the third

edited Jul 4, 2017 at 13:42

simeg

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answered Jul 2, 2017 at 23:08

user8240963

Comments

deeshank · Accepted Answer · 2018-01-06 01:03:58Z

0

$rv = array(1,2,3,4);
sprintf('[deepak] yay [%s]', print_r($rv, true))

answered Jan 6, 2018 at 1:03

deeshank

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