* fix: corrected placement of notes
Some "note" fields were preemptive in their placement; I corrected their placement to be in more appropriate locations.
* update: added additional note fields
Added some additional "note" fields to assist those who are reading through the PHP documentation.
* fix: formatting of escape sequence examples
The formatting was a bit jumbled, so I cleaned up the formatting of the escape sequence.
* update: improved examples
I added a new example to demonstrate the use of a "break" statement in a while loop, as well as numbered each example.
* update: add clarifying statement
I added a note at the end of the description, with the goal of being a bit more explicit in terms of what the "continue" statement does.
* Removed duplicate paragraphs. Added some keywords to refer.
Added some lines about GC also, removed duplicate paragraphs from the text.
* Fixed formatting
* Added another catch block
Added two more catch blocks, so the user can see, he can handle different exception types differently
* fixed comment to match catch statement
* Clarified the sentence about zero indexing and that any data type can be stored in an array
* Added spacing between elements
* Fixed declaration format `new nameOfArray[numberOfElements](vals)` is definitely not a thing it should be `new dataType [numberOfElements](vals)`
* Added shorthand definition
* Removed claim that you are storing an array in another array by assigning an alias to it
* Translate challenge subtitles and example challenge text to Spanish
* Corrected errors in syntax and punctuation
* Multiple corrections of it/s to its plus other grammar corrections
* Correction and added paragraph to CSS Flex article
* Corrected my own typo
* Corrected capitalization, American spellings and typos