" / "
and
' / '
However the same starter must end e.g.:
echo " '; is wrong
echo ' "; is wrong
echo " ' "; is right
echo ' " '; is right
echo " " ' '; is wrong - in this case echo " " . ' '; is right.
It is fairly simple to check the length of a string in PHP. All you need to do is use the function strlen(). Below is an example of how it is used. <?php $my_text = "Hello"; echo strlen($my_text); // outputs 5 ?>
Delimiter is a special character or a symbol to seperate the string
You can do this: <?php if ( $word === strrev( $word ) ) { echo "The word is a palindrome"; } else { echo "The word is not a palindrome"; }
If you will read typecasting on php, you will know more on this. <?php $str = "10"; $num = (int)$str; ?>
You can use single quotes $variable = 'string'; You can use double quotes $variable = "string"; You can use the Heredoc method $variable = <<<EOT Very Long String EOT; And you can use the Nowdoc method (after PHP 5.3.0) $variable = <<<'EOT' Very Long String EOT;
Varchar in SQL means string in PHP.
<?php trim(ereg_replace( ' +', ' ', $extraWhiteSpace)); ?>
If you will see this example as below, this may help. <?php $string = mysql_real_escape_string($string); $sql = "insert into stringtable(mystring) values('$string')"; ?>
$string ="Guess my length"; $length = strlen($string); now the $length will have the length of the string.
It is fairly simple to check the length of a string in PHP. All you need to do is use the function strlen(). Below is an example of how it is used. <?php $my_text = "Hello"; echo strlen($my_text); // outputs 5 ?>
The eval() function evaluates a string as PHP code. http://us.php.net/manual/en/function.eval.php
A predefined function can reverse a string as shown below:echo strrev('pizza'); // outputs: azzip
Delimiter is a special character or a symbol to seperate the string
The tension in any part of the string is equal to the force that pulls the string at the ends (assuming for simplicity that the string is basically weightless).
A word that starts with AN and ends with OR: ancestor.
It's a php (web script) string that turns characters into "dots" in most password fields.
Not possible through html. Use php strrev function. For eg: