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@ 2018-09-12T14:17:11Z

<?php

function stripEmptyTags ($result)
{
    $regexps = array (
        '~<(\w+)\b[^\>]*>([\s]|&nbsp;)*</\\1>~',
        '~<\w+\s*/>~',
    );

    do
    {
        $string = $result;
        $result = preg_replace ($regexps, '', $string);
    }
    while ($result != $string);

    return $result;
}


function extractEmbedYT($str) {
    // Find all URLS in $str
    
    preg_match_all('/(\bhttps?:)?\/\/[^,\s()<>]+(?:\(\w+\)|(?:[^,[:punct:]\s]|\/))/s', $str, $matches);

    // Remove all iframes from $str
    $str = preg_replace('/<iframe.*?<\/iframe>/i','', $str);


    $str = stripEmptyTags($str);
    return [$str, $matches[0]];
}

$string = '<p>
  
</p><p>UDA Stagiaire</p><p><iframe width="560" height="315" src="//www.youtube.com/embed/PZlJFGgFTfA" frameborder="0" allowfullscreen=""></iframe></p>';

$results = extractEmbedYT($string);

print_r($results);

Output for git.master_jit, git.master, rfc.property-hooks: Array ( [0] => <p>UDA Stagiaire</p> [1] => Array ( [0] => //www.youtube.com/embed/PZlJFGgFTfA ) )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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