HtmlQuerySelector

• Javascript querySelectorAll the same function for PHP.
• I think, some features different and missing, by Javascript.

Info

This version 17.12.20.01 (year.month.day.release)

Parameters

• @param string $source HTML source
• @param string $selector HTML selector query

Returns

• @return array

Using

$html = '
<p>
  <b>
    #BOLD
  </b>
</p>
<p>
  <b>
    BOLD
  </b>
</p>
';
$test = 'p > b';
echo HtmlQuerySelector($html, $test)[0]; // #BOLD
echo HtmlQuerySelector($html, $test)[1]; // BOLD

Same Queries

Javascript	PHP
.intro	.intro
#firstname	#firstname
p	p
div > p	div > p
div + p	div + p
[target]	[target]
a[href]	a[href]
p:nth-child(2)	p:nth-child(2)

Different Queries

Javascript	PHP
div > * > p	div > > p
div , p	💩
div p	div > p
p ~ ul	ul , p
.intro.play	.play.intro

New Queries

Javascript	PHP
💩	b > strong < a
💩	b > :ret( strong ) < a
💩	:sub( .italic )
💩	:deep( .italic )

Query Examples

Query	Result
p > b	#BOLD
[href]	A HREF
:sub( [href] :nth-child(2) )	B HREF
:sub( :deep( .italic ) )	.ITALIC
:sub( :deep( .italic :nth-child(2) ) )	.ITALIC 2
#search > :sub( b )	#BOLD
#search > :ret( .italic )	.ITALIC
p#search > :ret( b ) < u	#BOLD
p#search > i.italic + b > strong < :ret( a ) < u	A
p#search > i.italic + b > strong < :ret( a[href] ) < u	A HREF
p > ~img[src]	#IMG SRC
p > :sub( ~img[src] )	#IMG SRC
p#search > i.italic + b > strong < a < :ret( u )	UNDERLINE
p#search > :sub( b :nth-child(2) ) > :ret( strong ) < a	STRONG
p#search > :ret( :deep( ) ) + ~b > ~strong	#BOLD .ITALIC .ITALIC 2 .ITALIC 3 .ITALIC 4

Complete Examples

echo '<meta charset="UTF-8">
<style type="text/css">
body{font-size:12px;background-color:#000;color:#fff;font-family:verdana}
</style>'; // code for nice image

$html = '
<p id="search">
  <b id="bold">
    #BOLD
  </b>
  <i class="italic">
    .ITALIC
  </i>
  <i class="italic">
    .ITALIC 2
  </i>
  <i class="italic">
    .ITALIC 3
  </i>
  <i class="italic">
    .ITALIC 4
  </i>
  <b id="bold2">
    #BOLD 2
    <strong>
      STRONG
    </strong>
  </b>
  <a href="A HREF">
    A
  </a>
  <a href="B HREF">
    B
  </a>
</p>
<p>
    <img src="IMG SRC">
    <img src="IMG SRC 2">
    <b>
      BOLD
    </b>
</p>
<u>
  UNDERLINE
</u>
';

$google = file_get_contents('https://www.google.com', false, stream_context_create(array('http'=>array('header'  => 'User-agent: Mozilla/5.0 Firefox/40.1'))));
echo HtmlQuerySelector($google, ':deep( .gb_Q.gb_R :nth-child(2) ) > a.gb_P')[0] . '<br><br>'; // Images

$test = 'p > b';
echo HtmlQuerySelector($html, $test)[0] . '<br>'; // #BOLD
echo HtmlQuerySelector($html, $test)[1] . '<br><br>'; // BOLD

$test = '[href]';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // A HREF

$test = ':sub( [href] :nth-child(2) )';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // B HREF

$test = ':sub( :deep( .italic ) )';
echo HtmlQuerySelector($html, $test)[0] . '<br>'; // .ITALIC
echo HtmlQuerySelector($html, $test)[1] . '<br><br>'; // .ITALIC 2

$test = ':sub( :deep( .italic :nth-child(2) ) )';
echo HtmlQuerySelector($html, $test)[0] . '<br>'; // .ITALIC 2
echo HtmlQuerySelector($html, $test)[1] . '<br><br>'; // .ITALIC 4

$test = '#search > :sub( b )';
echo HtmlQuerySelector($html, $test)[0] . '<br>'; // #BOLD
echo HtmlQuerySelector($html, $test)[1] . '<br><br>'; // # BOLD 2 STRONG

$test = '#search > :ret( .italic )';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // .ITALIC

$test = 'p#search > :ret( b ) < u';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // #BOLD

$test = 'p#search > i.italic + b > strong < :ret( a ) < u';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // A

$test = 'p#search > i.italic + b > strong < :ret( a[href] ) < u';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // A HREF

$test = 'p > ~img[src]';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // #IMG SRC

$test = 'p > :sub( ~img[src] )';
echo HtmlQuerySelector($html, $test)[0] . '<br>'; // #IMG SRC
echo HtmlQuerySelector($html, $test)[1] . '<br><br>'; // #IMG SRC 2

$test = 'p#search > i.italic + b > strong < a < :ret( u )';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // UNDERLINE

$test = 'p#search > :sub( b :nth-child(2) ) > :ret( strong ) < a';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // STRONG

$test = 'p#search > :ret( :deep( ) ) + ~b > ~strong';
echo HtmlQuerySelector($html, $test)[0] . '<br><br>'; // #BOLD .ITALIC .ITALIC 2 .ITALIC 3 .ITALIC 4