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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

PHP operation array functions. Ange ($ low, $ high), range ($ low, $ high, $ step); create an array of sequential values, for example, range () is) for example, range (a, z) each ($ array) returns the current element of the array in sequence, and

Php basic knowledge Summary (1) array, basic knowledge array I. Sorting1. asort-Positive Sorting to maintain the index relationship2. arsort-reverse sorting to maintain the index relationship3. sort -- sorting from the lowest to the highest4. ksort -

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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

Php operation array (merge, split, append, search, delete, etc ). 1. the array_merge () function combines the arrays and returns a Union array. The obtained array starts with the first input array parameter. 1. Merge arrays The array_merge ()

Ange ($low, $high), Range ($low, $high, $step);//Create an array of sequential values such as: Range (1,4) as (1,2,3,4) and range (' A ', ' Z ') Each ($array) returns the current element of the array sequentially, and sets the next element to the

Php basic knowledge summary (1) array, basic knowledge array. Php basic knowledge summary (1) array, basic knowledge array 1, sorting 1, asort -- forward sorting, maintaining the index relationship 2, arsort -- reverse sorting, maintain the index