Double Quotes vs Single Quotes in PHP - DEV.
PHP - String Creation Double-Quotes. We have used double-quotes and will continue to use them as the primary method for forming strings. Double-quotes allow for many special escaped characters to be used that you cannot do with a single-quote string. Once again, a backslash is used to escape a character.
From PHP.net Heredoc text behaves just like a double-quoted string, without the double-quotes. This means that you do not need to escape quotes in your here docs, but you can still use the escape codes listed above. Variables are expanded, but the same care must be taken when expressing complex variables inside a here doc as with strings.
Printing a string variable is simple, let's take 2 examples, in the first we will only print the string variable using the echo method, and in the second, we will append a string variable with some other text in the echo method, enclosed in single and double quotes.
Have another way to solve this solution? Contribute your code (and comments) through Disqus. Previous: Write a Python program to add leading zeroes to a string. Next: Write a Python program to split a variable length string into variables.
Outputting a String. To output a string, like we have done in previous lessons, use PHP echo. You can place either a string variable or you can use quotes, like we do below, to create a string that the echo function will output.
PHP has basically two ways of sending content to the browser and thowse are echo and print. The difference is that print returns a value of 1 when execute while echo dosen't return enything.
Lets make a few pertinent rules and then discuss a bit of theory. All string delimiters must appear in pairs - an opener and a closer or an start tag and an end tag. If you choose to open with one delimiter and close with the same delimiter, you c.