Php show special characters in string
I'm trying to populate a form with some data that contains special characters (e.g. single quote, double quote,<,>,?,","".~,,!@#$%^&*()_+}{":?<<>,./;'[.] etc) : Show
However, How do I do this properly? (PHP 4, PHP 5, PHP 7, PHP 8) htmlspecialchars — Convert special characters to HTML entities Descriptionhtmlspecialchars( If the input string passed to this function and the final document share the same character set, this function is sufficient to prepare input for inclusion in most contexts of an HTML document. If, however, the input can represent characters that are not coded in the final document character set and you wish to retain those characters (as numeric or named entities), both this function and htmlentities() (which only encodes substrings that have named entity equivalents) may be insufficient. You may have to use mb_encode_numericentity() instead. Performed translations
Parametersstring The string being converted. flags A bitmask of one or more of the following flags, which specify how to handle quotes, invalid code unit sequences and the used document type. The default is flags constants
encoding An optional argument defining the encoding used when converting characters. If omitted, Although this argument is technically optional, you are highly encouraged to specify the correct value for your code if the default_charset configuration option may be set incorrectly for the given input. For the purposes of this function, the encodings The following character sets are supported: Supported charsets
double_encode When Return ValuesThe converted string.
If the input Changelog
ExamplesExample #1 htmlspecialchars() example
Notes
See Also
Dave ¶ 9 years ago
Mike Robinson ¶ 9 years ago
html($string) { Thomasvdbulk at gmail dot com ¶ 11 years ago
ASchmidt at Anamera dot net ¶ 1 year ago
" Felix D. ¶ 8 years ago
Kenneth Kin Lum ¶ 13 years ago
ivan at lutrov dot com ¶ 11 years ago
Anonymous ¶ 13 years ago
= "A valid UTF-8 string"; ryan at ryano dot net ¶ 21 years ago
Anonymous ¶ 13 years ago
'.htmlentities($data).'
minder at ufive dot unibe dot ch ¶ 9 years ago
Daniel Klein ¶ 2 months ago
Killian Leroux ¶ 6 months ago
php dot net at orakio dot net ¶ 14 years ago
PoV ¶ 7 years ago
solar-energy ¶ 15 years ago
support at playnext dot ru ¶ 8 years ago
nachitox2000 [at] hotmail [dot] com ¶ 12 years ago
_____ at luukku dot com ¶ 20 years ago
qshing1437 at hotmail dot com ¶ 3 years ago
) . "'"> // title will end up Hello"s\ and rest of the text after single quote will be cut off. ) . '"'> // title will show up correctly as Hello"s'world
Anonymous ¶ 17 years ago
How do I allow special characters in PHP?Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode() function.. & (ampersand) becomes &. " (double quote) becomes ". ' (single quote) becomes '. < (less than) becomes <. > (greater than) becomes >. What does Htmlspecialchars mean in PHP?htmlspecialchars() Function: The htmlspecialchars() function is an inbuilt function in PHP which is used to convert all predefined characters to HTML entities. Syntax: string htmlspecialchars( $string, $flags, $encoding, $double_encode ) Parameter value: $string: This parameter is used to hold the input string.
How do I escape a character in PHP?In PHP, an escape sequence starts with a backslash \ . Escape sequences apply to double-quoted strings. A single-quoted string only uses the escape sequences for a single quote or a backslash.
How do I check if a string contains a string in PHP?Answer: Use the PHP strpos() Function
You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false .
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