quotemeta – PHP String Functions

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Syntax :

quotemeta ( string );

Description :

The quotemeta() function adds backslashes in front of below characters.

The predefined characters are:

period (.)
backslash (\)
plus sign (+)
asterisk (*)
question mark (?)
brackets ([])
caret (^)
dollar sign ($)
parenthesis (())

Note : The function is binary-safe.
Tip: This function can be used to escape characters with special meanings, such as ( ), [ ], and * in SQL..

Parameter :

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Name, Required /Optional, Value Type, Description
string , Required, String , It is the input string.
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Output :

Returns the string with meta characters quoted, or FALSE if an empty string is given as string.

Related articles :  htmlspecialchars_decode() ,nl2br() , stripslashes() , stripcslashes() , quoted_printable_encode()  , addslashes()  , addcslashes()  , htmlentities() , htmlspecialchars().

quotemeta() – PHP Functions Example 1 : 
<?php
$str = "Hi All. Thanks for reading my tutorials+!.";
echo quotemeta($str); 
?>

Output of above code in the browser is as below:

Hi All\. Thanks for reading my tutorials\+!\.
quotemeta() – PHP Functions Example 2 : 
<?php
$strEg1 = "2 + 2 = 4";
$strEg2 = "3 * 2 = 6";
$strEg3 = "How are you?";
$strEg4 = "Are you Fine? (Yes, I am..)";
$strEg5 = "The caret [ ^ ] Looks like a hat!";
echo quotemeta($strEg1)."\n";
echo quotemeta($strEg2)."\n";
echo quotemeta($strEg3)."\n";
echo quotemeta($strEg4)."\n";
echo quotemeta($strEg5)."\n";
?>

Output of above code in the browser is as below:

2 \+ 2 = 4
3 \* 2 = 6
How are you\?
Are you Fine\? \(Yes, I am\.\.\)
The caret \[ \^ \] Looks like a hat!

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