Recommended 10 articles about php srand() function

shuffle() definition and usage The shuffle() function rearranges the elements in the array in random order. If successful, return TRUE, otherwise return FALSE. Note: This function assigns a new key name to the unit in the array. This will delete the original keys rather than just reorder them. Note: As of PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() functions, it is now done automatically. Syntax shuffle(array) Parameter Description array Required. Specifies the array to use. Example "Dog", "b" => "Cat

1. 10 recommended articles about the php rand() function

##Introduction: shuffle() definition and usage shuffle() function puts the elements in the array in random order Rearrange. Returns TRUE if successful, otherwise returns FALSE. Note: This function assigns new key names to the cells in the array. This will delete the original key names and not just reorder them. : Since PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() function, it is now done automatically...

2. Summary of the usage of mt_srand function

##Introduction: shuffle() definition and usage  The shuffle() function rearranges the elements in the array in random order.  If successful, it returns TRUE, otherwise it returns FALSE. Note: This function assigns new key names to the cells in the array. Original key names instead of just reordering. Note: As of PHP 4.2.0, seeding the random number generator with the srand() or mt_srand() functions is now done automatically. ...

3.

10 recommended articles about the php mt_srand() function

#Introduction: shuffle() definition and usage The shuffle() function rearranges the elements in the array in random order.  If successful, it returns TRUE, otherwise it returns FALSE. ;Note: This function assigns new key names to the elements in the array. This will delete the original key names instead of just reordering them.  Note: Since PHP 4.2.0, it is no longer necessary to use srand() or mt_srand. () function seeds the random number generator, which is now automatically completed...

##4. 10 recommended articles about the php shuffle() function.

##Introduction: shuffle() definition and usage shuffle() function presses the elements in the array  Returns TRUE if successful, otherwise returns FALSE.  Note: This function assigns a new key name to the unit in the array. This will delete the original keys rather than just reorder them.  Note: As of PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() functions, it is now done automatically.  Words...

5. 10 recommended articles about the php array_rand() function

Introduction: shuffle() definition and usage; the shuffle() function rearranges the elements in the array in random order.  Returns TRUE if successful, otherwise returns FALSE.  Note: This function assigns a new key name to the unit in the array. This will delete the original keys rather than just reorder them.  Note: As of PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() functions, it is now done automatically.  Words...

6. php generates random numbers Custom function randstr($length)

## Introduction: function randstr($len=6){ $chars='abcdefghijklmnopqrstuvwxyz0123456789'; #characters to build the password from mt_srand((double )microtime()*1000000*getmypid()); #seed the random number...

7. php generates a random number custom function randstr($length)

## Introduction: function randstr($len=6){ $chars='abcdefghijklmnopqrstuvwxyz0123456789'; #characters to build the password from mt_srand((double)microtime()*1000000*getmypid()); #seed the random number...

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php array function sequence Shuffle and array_rand Introduction to the use of random functions

#Introduction:: PHP array function sequence shuffle and array_rand Introduction to the use of random functions: shuffle() definition and usage shuffle() function converts an array The elements in are rearranged in random order. Returns TRUE if successful, FALSE otherwise. Note: This function assigns a new key name to the unit in the array. This will delete the original keys rather than just reorder them. Note: As of PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() functions, it is now done automatically. Syntax shuffle(array) Parameter description ar

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User-Agent string PHP a random string generation code

Introduction: User-Agent string: User-Agent string PHP generates a random string code: Copy the code as follows: /************* *@l - length of random string*/ function generate_rand($l){ $c= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; srand((double)microtime()*1000000); for($i=0

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Simple hanging 2.5.5 internal beta free version simple PHP verification image generation Function

Introduction: Simple Hang 2.5.5 Internal Beta Free Version: Simple Hang 2.5.5 Internal Beta Free Version Simple PHP verification image generation function: Copy the code The code is as follows:

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