html - how to use single and double quotes with brackets in php?

Solution:

You need to escape the quotes or concat the strings:

$nestedData[] = '<a href="JavaScript:newPopup('loghistory.php?logid='.$row['user_id'].'')"> History('.$countqry.')</a>';
                                              ^ here your string ends
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You can change to:

$nestedData[] = '<a href="JavaScript:newPopup(\'loghistory.php?logid='.$row['user_id'].'\')"> History('.$countqry.')</a>';
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Or another option:

$nestedData[] = '<a href="JavaScript:newPopup('. "'loghistory.php?logid='" .$row['user_id']. "'" . ')"> History('. $countqry .')</a>';
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Solution:

You can escape single and double quotes with \ Like this:

'You\'re'
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Solution:

$nestedData[] = '<a href="JavaScript:newPopup('loghistory.php?logid='.$row['user_id'].'')"> History('.$countqry.')</a>';
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try the below code:

<a href="JavaScript:newPopup("loghistory.php?logid='.$row['user_id'].'')"> History('.$countqry.')</a>
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Solution:

If you wish to output a single tick from within a litteral string then you will need to escape that single quote:

$a = 'Graeme\'s example';
echo $a;
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Will output:

Graeme's example

Solution:

$nestedData[] = "<a href=\"JavaScript:newPopup('loghistory.php?logid='".$row['user_id']."')"."\"> History('".$countqry."')</a>";
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Escape the quotes with \

this should do the trick

Solution:

$nestedData[] = '<a href="JavaScript:newPopup('".loghistory.php?logid='".$row['user_id']."'."')"> History("'.$countqry.'")</a>';
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