PHP 7.4.0RC4 Released!

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User Contributed Notes 2 notes

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Anonymous
17 hours ago
Backticks is probably going to be deprecated. It's safer to not use it.
See details why:
https://wiki.php.net/rfc/deprecate-backtick-operator-v2
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bishop at php dot net
10 days ago
Similar to these functions, there is also the backtick ("back-tick") execution operator:
                                                                                
https://www.php.net/manual/en/language.operators.execution.php                  
                                                                                
<?php
$output
= `ls -al`;
echo
"<pre>$output</pre>";
?>                                                                              

This operator runs the command given inside the backticks, and supports string interpolation just like double quotes:

<?php
    $dir
= addcslashes(sys_get_tmp_dir(), '"');      
    echo `
ls "{$dir}"`;     
?>
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