PHP Search all array values into another each array value

Question

OK here is what i want to do

I have an array that contains keywords

$keywords = array('sport','messi','ronaldo','Barcelona','madrid','club','final','cup','player');

and i have another array that contains my whole titles

let's say

$titles = array('Real Madrid is the only club to have kept a European cup by winning it five times in a row.','Cristiano Ronaldo is World Soccer's Player of the Year 2013.','Lionel Messi Reaches $50 Million-A-Year Deal With Barcelona','','');

so now what i want to do

is to loop my keywords array in each of the titles array element

and if there is 3 keywords in one element then do something

for example

$titiles[0] // this one has these words => Madrid , cup club

so this one is have at least 3 words of my keywords

so if each element has 3 keywords or more , then echo that array element.

any idea on how to get this working?

loop titles, explode on space, run array_intersect() on the exploded vs $keywords count() result — user557846
– user557846, Commented May 27, 2014 at 0:43

score 4 · Accepted Answer · 2014-05-27 01:06:06Z

4

foreach ($titles as $t){

$te=explode(' ',$t);

$c=count(array_intersect($te,$keywords));

if($c >=3){
echo $t.' has 3 or more matches';
}

}

live demo: http://codepad.viper-7.com/7kUUEK

2 matches is your current max

if you want Madrid to match madrid

$keywords=array_map('strtolower', $keywords);
foreach ($titles as $t){

$te=explode(' ',$t);
$comp=array_map('strtolower', $te);

$c=count(array_intersect($comp,$keywords));



   if($c >=3){
   echo $t.' has 3 or more matches';
   }

}

http://codepad.viper-7.com/itdegA

edited May 27, 2014 at 1:06

answered May 27, 2014 at 0:49

user557846

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1 Comment

scrowler Over a year ago

Beat me to it by a mouse click :)

user1978142 · Accepted Answer · 2014-05-27 01:12:15Z

2

Alternatively, you could also use substr_count() to get the number of occurances. Consider this example:

$keywords = array('sport','messi','ronaldo','Barcelona','madrid','club','final','cup','player');
$titles = array('Real Madrid is the only club to have kept a European cup by winning it five times in a row.',"Cristiano Ronaldo is World Soccer's Player of the Year 2013.","Lionel Messi Reaches $50 Million-A-Year Deal With Barcelona",'','');
$count = 0;
$data = array();
foreach($titles as $key => $value) {
    $value = strtolower($value);
    $keys = array_map('strtolower', $keywords);
    foreach($keys as $needle) {
        $count+= substr_count($value, $needle);
    }
    echo "In title[$key], the number of occurences using keywords = " .$count . '<br/>';
    $count = 0;
}

Sample Output:

In title[0], the number of occurences using keywords = 3
In title[1], the number of occurences using keywords = 2
In title[2], the number of occurences using keywords = 2
In title[3], the number of occurences using keywords = 0
In title[4], the number of occurences using keywords = 0

Fiddle

answered May 27, 2014 at 1:12

user1978142

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3 Comments

Hasan Zohdy Over a year ago

Thanks buddy , but why you wrote $count again at the end of the first foreach loop

user1978142 Over a year ago

@HasanZohdy Your welcome, it just resets the counter. foreach piece of the title there is each count. so after the iteration of a title you need to reset it to prepare it for the next one

user557846 Over a year ago

just setting it once, before the 2nd foreach would make more sense to me.

Issam Zoli · Accepted Answer · 2014-05-27 01:14:50Z

1

Simpler with array_intersect:

$keywords = array('sport','messi','ronaldo','Barcelona','madrid','club','final','cup','player');

$titles = array('Real Madrid is the only club to have kept a European cup by winning it five times in a row.','Cristiano Ronaldo is World Soccer\'s Player of the Year 2013.','Lionel Messi Reaches $50 Million-A-Year Deal With Barcelona');

foreach($titles as $title) {
    if (count(array_intersect(explode(' ',strtolower($title)), $keywords)) >= 3) {
        //stuff
    }
}

answered May 27, 2014 at 1:14

Issam Zoli

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