How do i count the length of a object in php?
(PHP 4, PHP 5, PHP 7, PHP 8) Show count — Counts all elements in an array or in a Countable object Descriptioncount(Countable|array Parametersvalue An array or Countable object. mode If
the optional Caution count() can detect recursion to avoid an infinite loop, but will emit an Return Values Returns the number of elements in Changelog
ExamplesExample #1 count() example
The above example will output: Example #2 count() non Countable|array example (bad example - don't do this)
The above example will output: Output of the above example in PHP 7.2: int(3) Warning: count(): Parameter must be an array or an object that implements Countable in … on line 12 int(0) Warning: count(): Parameter must be an array or an object that implements Countable in … on line 14 int(1) Output of the above example in PHP 8: int(3) Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable .. on line 12 Example #3 Recursive count() example
The above example will output: Example #4 Countable object
count(): int The above example will output: See Also
onlyranga at gmail dot com ¶ 8 years ago
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Anonymous ¶ 2 years ago
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danny at dannymendel dot com ¶ 15 years ago
alexandr at vladykin dot pp dot ru ¶ 15 years ago
$arr as $in_ar)
pied-pierre ¶ 7 years ago
php_count at cubmd dot com ¶ 5 years ago
$arr as $key => &$value) {
Gerd Christian Kunze ¶ 8 years ago
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jerome dot gds at gmail dot com ¶ 3 years ago
$sum; buyatv at gmail dot com ¶ 5 years ago
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ThisIsNotImportant ¶ 6 years ago
echo count($MyArray ); // output 4 (2 values+ 2 arrays) asma mechtaba ¶ 6 months ago
flavioaugusto dot br at gmail dot com ¶ 3 years ago
max at schimmelmann dot org ¶ 2 years ago
= [ XavDeb ¶ 2 years ago
How do you count elements in an object in PHP?The count() function is used to count the elements of an array or the properties of an object. Note: For objects, if you have SPL installed, you can hook into count() by implementing interface Countable. The interface has exactly one method, Countable::count(), which returns the return value for the count() function.
How do I find the length of an array of objects in PHP?The sizeof() function returns the number of elements in an array. The sizeof() function is an alias of the count() function.
How does count () work in PHP?PHP count() function is an in-built function available in PHP, which counts and returns the number of elements in an array. It also counts the number of properties in an object. The count() function may return 0 for the variable, which has been declared with an empty array or for the variable which is not set.
How can I count data in PHP?PHP | count() Function. This inbuilt function of PHP is used to count the current elements in the array. The function might return 0 for the variable that has been set to an empty array. Also for the variable which is not set the function returns 0.
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