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| Title : |
Alert in JavaScript and Trace in Flash Action script are two commands that I find very much useful for tracking and debugging errors in my scripts. Unfortunately, there is no such option in PHP. |
| Categories : |
PHP, Java Script, Debugging |
Sumit Agarwal |
| Date : |
Oct 19th 2007 |
| Grade : |
4 of 5 (graded 3 times) |
| Viewed : |
10758 |
| File : |
No file for this code example. |
| Images : |
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| Search : |
More code by Sumit Agarwal |
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| Action : |
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| Tools : |
My Examples List |
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Even though a simple echo can do the work most of the time, printing the message can break the layout at times. And at such times, this code can come handy :
| <?php
function alert($msg)
{
$msg = addslashes($msg);
$msg = str_replace("\n", "\\n", $msg);
echo "<script language='javascript'><!--\n";
echo 'alert("' . $msg . '")';
echo "//--></script>\n\n";
}
?>
<html>
<head>
<title>My Test Script</title>
</head>
<body>
<?php
$a = 50;
$b = ($a = 0) ? 'Empty' : 'Not Empty';
alert($a);
alert($b);
alert("\"Test sentence having quotes.\"");
alert("Another test sentance spanning multiple lines.");
?>
</body>
</html> | |
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