Summarize the usage of mt_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 mt_srand() 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. 10 recommended articles about the php shuffle() 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 keys to the cells in the array. name. This will delete the original key name instead of just reordering it. Note: As of PHP 4.2.0, it is no longer necessary to seed the random number generator with the srand() or mt_srand() function, which is now automatically used. Complete.

Introduction: shuffle() definition and usage; the shuffle() function rearranges the elements in the array in random order.  If successful, it returns TRUE, otherwise. Returns FALSE.  Note: This function assigns new key names to the cells in the array. This will delete the original key names instead of just reordering them.  Note: As of PHP 4.2.0, srand is no longer required. () or mt_srand() function to seed the random number generator, which is now automatically completed... ##4.

##5. 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...

6. 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 The shuffle() function rearranges the elements in the array 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

##7. http://www.hunanzhibo.com/ Some frequently used php functions

Introduction: http://www.hunanzhibo.com/:http://www.hunanzhibo.com/ Some frequently used php functions: 1. Generate random string function function random( $length) { $hash = @#@#; $chars = @#abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz@#; $max = strlen($chars) - 1; mt_srand((double)microti

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Introduction: Welfare Lottery Double Color Ball Lottery Trend Chart: Welfare Lottery Double Color Ball Lottery Trend Chart Welfare Lottery Lucky number automatic generator: completely random design using PHP, each refresh will have different lucky numbers, give it a try, don’t forget neo when you get rich~~~

9. Some commonly used php functions_PHP tutorial

Introduction: Some commonly used php functions. 1. Generate random string functions?php functionrandom($length){ $hash=''; $chars='ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'; $max=strlen($chars )-1; mt_srand((doubl

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Introduction: Based on in-depth understanding of PHP random numbers. php mt_srand sows a better random number generator mt_srand (PHP 3 = 3.0.6, PHP 4, PHP 5) mt_srand -- sows a better random number generator. Device seed description copy code code

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