basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key
Basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Get the value of an arrayArray_keys ($arr); Gets the key name of the arrayArray_flip ($arr); the values in the array are exchanged with the key names (if
Subscript: The identifying name in the array is the code of the string or integer in the array
Several index values in an array are referred to as several-dimensional arrays.
Index value: An index is a structure that sorts the values of one or more
In java, the index of an array must be a number, and the number of arrays must be determined when the array is declared. Php is more flexible. indexes can make numbers or strings, and the number of arrays can be changed at will.
Objective: to
The process of learning PHP, sorting out some of the commonly used functions, which are array functions.
Array (): Generate an array$a = Array ("Dog", "cat", "horse");Print_r ($a); Array ([0] = dog [1] = cat [2] = = horse)Array_combine ():
This article introduces the contents of the PHP array, has a certain reference value, now share to everyone, the need for friends can refer to
ArrayDeclaration and use of arraysContrastScalar: A standard quantity that only one value is stored
Introduction: This is the introduction of the PHP manual for the various operations of the system function, you can say that the array in PHP has an important role, so the function is also more gray, the following Tianya the most commonly used for
For beginners of PHP, it may be unclear to a large number of its functions what to learn. I have listed here some of the actual things you may be using, for your reference
1) Array_map (callable $callback, array $arr 1 [, Array $ ...])
In PHP, the array is a special type of data, and PHP also provides us with a large number of array manipulation functions, so that we do not feel pressure in the operation of arrays, the following I summed up the PHP array of entry notes to share to
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