PHP：从字符串数组中删除“\ ”

Question

After parsing some html, we have an array similar to ["\ ","\ ", "foo", "\ ", "bar"] . I want to filter out the "\ " leaving us with ["foo", "bar"] . However, when we run an equality check, we are not getting a match.

We have tried

• $item != "\ "
• $item != "\\\ "
• $item != ""
• $item != " "
• $item != chr(160)

We get the same array returned without the "\ " filtered out.

function getContent($xPath) {
    $query = "//div[@class='WordSection1']";
    $elements = $xPath->query($query);
        
    if (!is_null($elements)) {
        $content = array();
        foreach ($elements as $element){
            $nodes = $element->childNodes;
            foreach ($nodes as $node) {
                if ($node->nodeValue != "\u00a0") {
                    $content[] = $node->nodeValue;
                }
            }
        }
        return $content;
    }
}

Answer 1

Try doing this condition:

if ($node->nodeValue != "\u{00a0}") {
    $content[] = $node->nodeValue;
}

Here's the sample script I used:

<?php

$words = [chr(0xC2).chr(0xA0), 'foo', chr(0xC2).chr(0xA0), 'bar'];
$output = [];

foreach ($words as $word) {
    if ($word != "\u{00a0}")
        $output[] = $word;
}

var_dump($output);