Regular Expressions 101

http://stackoverflow.com/q/40361407/47672

((?<=key).*)(?=:|,)

Escapes a single apostrophe in a json value, either before or after the ':'

Easiest Way to Use: $datetime = new DateTime(); $datetime->setTimestamp($timestamp); $datetime->modify($operator . $hours . ' seconds');

Matches JSON object keys

Splits json into 2 groups - values and delimiters of objects, arrays, pairs, names, values

".\w?":".\w?"

Obtem os valores de campo e valor de um JSON. Nao trata arrays, apenas objetos.

Add single quotes to unquoted parts of a valid JS hash so it can be parsed with JSON decoders. Tries to keep boolean and numeric values unquoted Note: It will not handle certain edge-cases You might need to clear the trailing commas