how to list out all words beginning with "a" in array?

[t_k_eoh]

hi,

I've browsed through the entire forum and I still can't an answer to this problem.

 

I have a few words in an array and I would like to find all the words that begins with letter "a"?

 

eg. (in the array)

aim

are

am

boy

car

cat

 

ag. output is:

aim

are

am

 

There are some samples using substr but I am not sure how to use it. Can someone pls advice? Thanks!

 

 

[teng84]

have you tried using array sort???

[teng84]

ok try

$fruits = array("lemon","orange","banana","apple");
asort($fruits);
foreach ($fruits as $key => $val) {
if (substr($val,0,1==a)){
    	echo "$key = $val\n";
}
}

[trq]

No need to sort if you only want the values starting with a particular letter...

 

<?php

  $fruits = array("lemon","orange","banana","apple");
  foreach ($fruits as $val) {
    if (substr($val,0,1) == 'a') {
      echo "$val\n";
    }
  }

?>

[teng84]

No need to sort if you only want the values starting with a particular letter...

 

<?php

  $fruits = array("lemon","orange","banana","apple");
  foreach ($fruits as $val) {
    if (substr($val,0,1) == 'a') {
      echo "$val\n";
    }
  }

?>

 

i sort it to make the loop shorter i forgot to break the loop once it reach the word not

ok try

$fruits = array("lemon","orange","banana","apple");
asort($fruits);
foreach ($fruits as $key => $val) {
if (substr($val,0,1==a)){
    	echo "$key = $val\n";
}
else {
break;
}
}

starting with a :P :P

[trq]

Theres probably more overhead in the actual sort call though it may be a valid point.

[teng84]

looping really makes the loading slow specially when it comes with bigger number so i always look if i can minimize or even remove the loop