php prev

The following is a description of the scheduling feature in the c#7.0 language. Most of these features can be run in Visual Studio "4" in preview.　　Now is the best trial period, please record your thoughts.　　The c#7.0 language adds a number of new

The following is a description of the scheduling feature in the c#7.0 language. Most of these features can be run in Visual Studio "4" in preview.　　Now is the best trial period, please record your thoughts.　　The c#7.0 language adds a number of new

This article mainly introduces how to use the key, value, current, next, and prev functions in php to traverse arrays. It gives a detailed analysis of common techniques and instance usage of array traversal in php, for more information about how to

prev () Definition and usage The prev () function moves a pointer to the current element to the position of the previous element and returns the element value. The function returns False if the inner pointer has already exceeded the first element

This article mainly introduces how to use the key, value, current, next, and prev functions in php to traverse arrays. it gives a detailed analysis of common techniques and instance usage of array traversal in php, for more information about how to

This article mainly introduces how to use the key, value, current, next, and prev functions in php to traverse arrays. it gives a detailed analysis of common techniques and instance usage of array traversal in php, for more information about how to

This article mainly introduces the method of using Key,value,current,next and prev function to iterate the array in PHP, analyzes the common technique and example usage of array traversal in PHP, and the friends who need can refer to the following

Prev () Definition and usage The prev () function moves the pointer to the current element to the position of the previous element and returns the element value. If the internal pointer already exceeds the first element of the array, the function

The example in this article tells you how to traverse an array using the Key,value,current,next and prev functions in PHP. Share to everyone for your reference. The specific analysis is as follows: There are a series of functions in PHP for array

PHP gets the previous prev and next next subscript value of an array of arbitrary subscript keys $value) {$steps->add ($key);} $steps->setcurrent (3);//parameter is the key value Echo ' previous subscript: '. $steps->getprev (). ""; Echo '