I have a normal array like this
Array
(
[0] => 0
[1] => 150
[2] => 0
[3] => 100
[4] => 0
[5] => 100
[6] => 0
[7] => 100
[8] => 50
[9] => 100
[10] => 0
[11] => 100
[12] => 0
[13] => 100
[14] => 0
[15] => 100
[16] => 0
[17] => 100
[18] => 0
[19] => 100
[20] => 0
[21] => 100
)
I need to remove all 0's from this array, is this possible with a PHP array function
array_filter does that. If you don’t supply a callback function, it filters all values out that equal false (boolean conversion).
bit late, but copy & paste:
$array = array_filter($array, function($a) { return ($a !== 0); });
You can use this:
$result = array_diff($array, [0]);
You can just loop through the array and unset any items that are exactly equal to 0
foreach ($array as $array_key => $array_item) {
if ($array[$array_key] === 0) {
unset($array[$array_key]);
}
}
$array[$array_key] inside the condition, I'd write $array_item because it is simpler.First Method:
<?php
$array = array(0,100,0,150,0,200);
echo "<pre>";
print_r($array);
echo "</pre>";
foreach($array as $array_item){
if($array_item==0){
unset($array_item);
}
echo"<pre>";
print_r($array_item);
echo"</pre>";
}
?>
Second Method: Use array_diff function
<?php
$array = array(0,100,0,150,0,200);
$remove = array(0);
$result = array_diff($array, $remove);
echo"<pre>";
print_r($result);
echo"</pre>";
?>
$array = array_filter($array, function($a) { return ($a !== 0); });"
if you want to remove zero AND empty values, the right code is:
$array = array_filter($array, function($a) { return ($a !== 0 AND trim($a) != ''); });
If you don't care about preserving key to data correlations, you can use this single line trick :
<?php
$a = array(0, 150, 0, 100, 0, 100, 0, 100);
$b = explode('][', trim(str_replace('[0]', '', '['.implode('][', $a).']'), '[]'));
print_r($b); // Array ([0] => 150 [1] => 100 [2] => 100 [3] => 100)
