php insert first
array_unshift. (PHP 4, PHP 5, PHP 7). array_unshift — Prepend one or more elements to the beginning of an array ... ,array_unshift() 将传入的单元插入到 array 数组的开头。注意单元是作为整体被插入的，因此传入单元将保持同样的顺序。所有的数值键名将修改为从零开始重新计数， ...
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 php insert first 相關參考資料
Array push as the first index PHP - Stack Overflow
http://php.net/manual/en/function.array-unshift.php array_unshift($array, "Choose City"). or you can do it manually. https://stackoverflow.com array_unshift - Manual - PHP
array_unshift. (PHP 4, PHP 5, PHP 7). array_unshift — Prepend one or more elements to the beginning of an array ... https://www.php.net array_unshift - PHP
array_unshift() 将传入的单元插入到 array 数组的开头。注意单元是作为整体被插入的，因此传入单元将保持同样的顺序。所有的数值键名将修改为从零开始重新计数， ... https://www.php.net How to insert an item at the beginning of an array in PHP ...
up vote 3 down vote. Use array_unshift() to insert the first element in an array. User array_shift() to removes the first element of an array. https://stackoverflow.com PHP : array_unshift() function - w3resource
PHP: array_unshift() function: The array_unshift() is used to add one or more elements to the beginning of an array. https://www.w3resource.com PHP array_unshift() Function - W3Schools
Example. Insert the element "blue" to an array: <?php $a=array("a"=>"red","b"=>"green"); array_unshift($a,"blue"); print_r($a); ?&g... https://www.w3schools.com |