php 添加和删​​除数组

Posted 2021-05-05

<?php 

$learn = array('HTML', 'CSS', 'JavaScript', 'PHP');

// Add to array
$learn[] = 'MySQL';

// Add multiple (to end of array)
array_push($learn, 'Ruby', 'Python');

// Add multiple (to beginning of array)
array_unshift($learn, 'Angular', 'React');

// Remove first item in array
array_shift($learn);

// Remove last item in array
array_pop($learn);

// Edit/replace value
$learn[0] = 'Vue';

// Remove specific items in array
unset($learn[1], $learn[2]);

// Refresh array keys
$learn = array_values($learn);

// Remove/destroy entire array
unset($learn);


?>