PHP String Concatenation PHP Array Push Example PHP Create Arrays Map PHP String Length Example PHP Array Length Example PHP Array String Example PHP String Replace Example PHP String Interpolation PHP JSON Decode Example PHP Sort Array Example PHP Parse XML Example Checking if an ...
PHP – Check if array is empty To check if an array is empty or not in PHP, we can use count() function. count() function can be used to find the length of an array. If the length of an array is zero, then the array is empty. The syntax of the condition to check if an arr...
In this exampl we will create isMultiArray() with array argument. we have to pass array as argument and fuinction will check if array if multidimensional using rsort(), isset() and is_array() php function. So, here bellow simple example of checking array is multidimensional or not in p...
PHP array_key_exists() Function The PHP array_key_exists() function checks if a specific key exists in the array. The function returns TRUE if the key is present, else it returns FALSE. array_key_exists() function works for both indexed arrays and associative arrays. For indexed arrays, ...
On this page, we represented to you the three principal ways that allow programmers to detect whether a given array is empty or not. Just see the examples.
You can use the array_diff function in PHP to compare two arrays and check if the first array contains all of the values from the second array.
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<?php$emptyArray=array();$size=sizeof($emptyArray);echo("The size of the array is $size. \n");if(sizeof($emptyArray)==0)echo("The array is empty.");?> Output: The size of the array is 0.The array is empty. Usecount()Function to Check Whether an Array Is Empty in PHP ...
php// array declaration$array1=array("hello","world");$array2=array();//checking whether arrays are empty or notif(empty($array1)){echo"array1 is empty";}else{echo"array1 is not empty";}if(empty($array2)){echo"array2 is empty";}else{echo"array2 is not empty";}?> Output arra...
} return false; } $arr = array("2014", array("January", "February", "March"), "2015", array("Monday", "Tuesday")); echo multi_array_search("Tuesday", $arr) ? ‘Found’ : ‘Not found’; ?>[/php] [wpdm_file id=15]