How do you count elements in an 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
Christoph097 ¶ 9 months ago
Anonymous ¶ 2 years ago
lucasfsmartins at gmail dot com ¶ 3 years ago
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
buyatv at gmail dot com ¶ 5 years ago
JumpIfBelow ¶ 7 years ago
jerome dot gds at gmail dot com ¶ 3 years ago
$sum; buyatv at gmail dot com ¶ 5 years ago
vojtaripa at gmail dot com ¶ 2 years ago
ThisIsNotImportant ¶ 6 years ago
echo count($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 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 do you count elements in an array?A number of elements present in the array can be found by calculating the length of the array.. STEP 1: START.. STEP 2: INITIALIZE arr[] = {1, 2, 3, 4, 5}. STEP 3: length= sizeof(arr)/sizeof(arr[0]). STEP 4: PRINT "Number of elements present in given array:" by assigning length.. STEP 5: RETURN 0.. STEP 6: END.. What is the difference between sizeof and count in PHP?The sizeof() function is used to return the number of elements in an array. The count() returns the number of elements in the array.
How do I count the number of strings in PHP?PHP substr_count() Function
The substr_count() function counts the number of times a substring occurs in a string. Note: The substring is case-sensitive.
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